# KOOTENAY REPORTS DRILL RESULTS AS 60,000-METER COLUMBA PROGRAM ADVANCES

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967

Original source: https://www.newswire.ca/news-releases/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances-826405045.html

Publisher: cnw

Original announcement: 2026-09-16T13:46:03.910Z

Analysis by Minestarters Atlas

Atlas analysis published: 2026-09-16T13:51:42.846Z

Atlas analysis updated: 2026-09-16T13:51:42.846Z

- Company: Kootenay Silver Inc.

- Ticker: KTN

- Exchange: Unavailable

- Region: Chihuahua, Mexico

- Primary commodity: Silver

- Secondary commodities: Gold, Lead, Zinc

- Document categories: Drill results

- Extracted: 2026-09-16 13:51:43 UTC

Narrative sentiment: 0.80 · Bullish

## Minestarters Atlas summary

Kootenay Silver Inc. reported high-grade silver, lead, and zinc drill results from its Columba High-Grade Silver Project in Chihuahua, Mexico. The expansion drilling program, focused on 100-meter step-outs, successfully extended the D Vein to over 1,320 meters of strike and 600 meters depth, identifying new blind mineralized structures. Several intercepts returned bonanza silver grades, significantly exceeding previous project averages and best results, with estimated true widths disclosed.

Reasoning: Kootenay Silver's drill results from the Columba Project demonstrate significant high-grade silver intercepts, with several exceeding prior best grades and average grades for silver, lead, and zinc. The program successfully extended the D Vein's strike and depth, indicating strong exploration potential and new blind structures. The disclosure of estimated true widths and comprehensive QA/QC procedures adds confidence, though the lack of a stated cut-off grade is a minor detractor.

- Positive factor: Bonanza Intercept

- Positive factor: Step-Out Extension

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Category Upgrade

- Negative factor: Cut-off Undisclosed

Facts used in scoring: 294

## Classification and evidence

No classification tags are available.

## Extracted facts

Stored fact records: 294. Some facts used in scoring do not have a stored record.

## Drill Results (294)

### CDH-25-236

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-0)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-25-236
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 11
- Grade Unit: g/t
- Intercept: 5.5 m
- True Width: 2.64 m
- From: 630.5 m
- To: 636 m
- Intercept Depth: 630.5 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-25-236:630.5-636
- Mining Method: underground

#### Location

- Location: D Vein System
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is below the project average grade but contributes to the overall expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 11

Context: 5.50

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.64

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-25-236

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-1)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-25-236
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 5.5 m
- True Width: 2.64 m
- From: 630.5 m
- To: 636 m
- Intercept Depth: 630.5 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-25-236:630.5-636
- Mining Method: underground

#### Location

- Location: D Vein System
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept matches the project average grade and contributes to the overall expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.1

Context: 5.50

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.64

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-25-236

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-2)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-25-236
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1.4
- Grade Unit: %
- Intercept: 5.5 m
- True Width: 2.64 m
- From: 630.5 m
- To: 636 m
- Intercept Depth: 630.5 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-25-236:630.5-636
- Mining Method: underground

#### Location

- Location: D Vein System
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is above the project average grade but below the weak threshold for epithermal zinc, contributing to the overall expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 1.4

Context: 5.50

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.64

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-237

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-3)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-237
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 232
- Grade Unit: g/t
- Intercept: 2.4 m
- True Width: 2.26 m
- From: 348.6 m
- To: 351 m
- Intercept Depth: 348.6 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-237:348.6-351
- Mining Method: underground

#### Location

- Location: HW to Lupe
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is strong, above the project average, and represents a new blind structure, contributing to the expansion of the Lupe Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Positive factor: Category Upgrade

- Negative factor: Cut-off Undisclosed

Evidence · table

> 232

Context: 2.40

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.26

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-237

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-4)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-237
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 2.4 m
- True Width: 2.26 m
- From: 348.6 m
- To: 351 m
- Intercept Depth: 348.6 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-237:348.6-351
- Mining Method: underground

#### Location

- Location: HW to Lupe
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept matches the project average grade and represents a new blind structure, contributing to the expansion of the Lupe Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.1

Context: 2.40

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.26

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-237

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-5)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-237
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 2.4 m
- True Width: 2.26 m
- From: 348.6 m
- To: 351 m
- Intercept Depth: 348.6 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-237:348.6-351
- Mining Method: underground

#### Location

- Location: HW to Lupe
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is below the project average grade and below the weak threshold for epithermal zinc, but represents a new blind structure, contributing to the expansion of the Lupe Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.1

Context: 2.40

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.26

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-237

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-6)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-237
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 476
- Grade Unit: g/t
- Intercept: 1.1 m
- True Width: 0.94 m
- From: 349.25 m
- To: 350.35 m
- Intercept Depth: 348.6 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-237:349.25-350.35
- Mining Method: underground

#### Location

- Location: HW to Lupe
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This high-grade silver intercept is strong, above the project average, and represents a new blind structure, contributing to the expansion of the Lupe Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Positive factor: Category Upgrade

- Negative factor: Cut-off Undisclosed

Evidence · table

> 476

Context: 1.10

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.94

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-237

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-7)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-237
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 1.1 m
- True Width: 0.94 m
- From: 349.25 m
- To: 350.35 m
- Intercept Depth: 348.6 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-237:349.25-350.35
- Mining Method: underground

#### Location

- Location: HW to Lupe
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept matches the project average grade and represents a new blind structure, contributing to the expansion of the Lupe Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.1

Context: 1.10

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.94

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-237

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-8)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-237
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 1.1 m
- True Width: 0.94 m
- From: 349.25 m
- To: 350.35 m
- Intercept Depth: 348.6 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-237:349.25-350.35
- Mining Method: underground

#### Location

- Location: HW to Lupe
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is below the project average grade and below the weak threshold for epithermal zinc, but represents a new blind structure, contributing to the expansion of the Lupe Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.1

Context: 1.10

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.94

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-237

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-9)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-237
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 252
- Grade Unit: g/t
- Intercept: 2.2 m
- True Width: 2.07 m
- From: 429.8 m
- To: 432 m
- Intercept Depth: 348.6 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-237:429.8-432
- Mining Method: underground

#### Location

- Location: HW to Lupe
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is strong, above the project average, and represents a new blind structure, contributing to the expansion of the Lupe Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Positive factor: Category Upgrade

- Negative factor: Cut-off Undisclosed

Evidence · table

> 252

Context: 2.20

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.07

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-237

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-10)

Columba High-Grade · gold

#### Identity

- Hole ID: CDH-26-237
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.02
- Grade Unit: g/t
- Intercept: 2.2 m
- True Width: 2.07 m
- From: 429.8 m
- To: 432 m
- Intercept Depth: 348.6 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-237:429.8-432
- Mining Method: underground

#### Location

- Location: HW to Lupe
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This gold intercept is very low grade, but represents a new blind structure, contributing to the expansion of the Lupe Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.02

Context: 2.20

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.07

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-237

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-11)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-237
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 2.2 m
- True Width: 2.07 m
- From: 429.8 m
- To: 432 m
- Intercept Depth: 348.6 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-237:429.8-432
- Mining Method: underground

#### Location

- Location: HW to Lupe
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is above the project average grade and represents a new blind structure, contributing to the expansion of the Lupe Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.2

Context: 2.20

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.07

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-237

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-12)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-237
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 2.2 m
- True Width: 2.07 m
- From: 429.8 m
- To: 432 m
- Intercept Depth: 348.6 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-237:429.8-432
- Mining Method: underground

#### Location

- Location: HW to Lupe
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is below the project average grade and below the weak threshold for epithermal zinc, but represents a new blind structure, contributing to the expansion of the Lupe Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.4

Context: 2.20

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.07

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-237

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-13)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-237
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 524
- Grade Unit: g/t
- Intercept: 0.95 m
- True Width: 0.89 m
- From: 429.8 m
- To: 430.75 m
- Intercept Depth: 348.6 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-237:429.8-430.75
- Mining Method: underground

#### Location

- Location: HW to Lupe
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This bonanza-grade silver intercept is exceptional, significantly above the project average and prior best, and represents a new blind structure, contributing to the expansion of the Lupe Vein system, with true width disclosed and robust QA/QC.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Positive factor: Category Upgrade

- Negative factor: Cut-off Undisclosed

Evidence · table

> 524

Context: 0.95

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.89

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-237

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-14)

Columba High-Grade · gold

#### Identity

- Hole ID: CDH-26-237
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.04
- Grade Unit: g/t
- Intercept: 0.95 m
- True Width: 0.89 m
- From: 429.8 m
- To: 430.75 m
- Intercept Depth: 348.6 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-237:429.8-430.75
- Mining Method: underground

#### Location

- Location: HW to Lupe
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This gold intercept is very low grade, but represents a new blind structure, contributing to the expansion of the Lupe Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.04

Context: 0.95

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.89

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-237

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-15)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-237
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.3
- Grade Unit: %
- Intercept: 0.95 m
- True Width: 0.89 m
- From: 429.8 m
- To: 430.75 m
- Intercept Depth: 348.6 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-237:429.8-430.75
- Mining Method: underground

#### Location

- Location: HW to Lupe
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is above the project average grade and represents a new blind structure, contributing to the expansion of the Lupe Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.3

Context: 0.95

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.89

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-237

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-16)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-237
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 0.95 m
- True Width: 0.89 m
- From: 429.8 m
- To: 430.75 m
- Intercept Depth: 348.6 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-237:429.8-430.75
- Mining Method: underground

#### Location

- Location: HW to Lupe
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is below the project average grade and below the weak threshold for epithermal zinc, but represents a new blind structure, contributing to the expansion of the Lupe Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.4

Context: 0.95

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.89

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-239

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-17)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-239
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 48
- Grade Unit: g/t
- Intercept: 12.35 m
- True Width: 6.73 m
- From: 257 m
- To: 269.35 m
- Intercept Depth: 257 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-239:257-269.35
- Mining Method: underground

#### Location

- Location: D Vein Zone
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is above the weak threshold but below the project average, contributing to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 48

Context: 12.35

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 6.73

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-239

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-18)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-239
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 12.35 m
- True Width: 6.73 m
- From: 257 m
- To: 269.35 m
- Intercept Depth: 257 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-239:257-269.35
- Mining Method: underground

#### Location

- Location: D Vein Zone
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is below the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.02

Context: 12.35

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 6.73

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-239

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-19)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-239
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 12.35 m
- True Width: 6.73 m
- From: 257 m
- To: 269.35 m
- Intercept Depth: 257 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-239:257-269.35
- Mining Method: underground

#### Location

- Location: D Vein Zone
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is below the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.10

Context: 12.35

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 6.73

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-239

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-20)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-239
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 32
- Grade Unit: g/t
- Intercept: 9 m
- True Width: 4.91 m
- From: 287 m
- To: 296 m
- Intercept Depth: 257 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-239:287-296
- Mining Method: underground

#### Location

- Location: Footwall to D Zone
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is at the weak threshold but below the project average, contributing to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 32

Context: 9.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 4.91

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-239

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-21)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-239
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 9 m
- True Width: 4.91 m
- From: 287 m
- To: 296 m
- Intercept Depth: 257 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-239:287-296
- Mining Method: underground

#### Location

- Location: Footwall to D Zone
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is below the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.02

Context: 9.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 4.91

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-239

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-22)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-239
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.06
- Grade Unit: %
- Intercept: 9 m
- True Width: 4.91 m
- From: 287 m
- To: 296 m
- Intercept Depth: 257 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-239:287-296
- Mining Method: underground

#### Location

- Location: Footwall to D Zone
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is below the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.06

Context: 9.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 4.91

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-239

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-23)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-239
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 94
- Grade Unit: g/t
- Intercept: 11 m
- True Width: 6 m
- From: 299 m
- To: 310 m
- Intercept Depth: 257 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-239:299-310
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Zone
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is moderate grade, below the project average, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 94

Context: 11.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 6

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-239

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-24)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-239
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 11 m
- True Width: 6 m
- From: 299 m
- To: 310 m
- Intercept Depth: 257 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-239:299-310
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Zone
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is below the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.02

Context: 11.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 6

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-239

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-25)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-239
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.09
- Grade Unit: %
- Intercept: 11 m
- True Width: 6 m
- From: 299 m
- To: 310 m
- Intercept Depth: 257 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-239:299-310
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Zone
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is below the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.09

Context: 11.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 6

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-239

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-26)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-239
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 111
- Grade Unit: g/t
- Intercept: 12 m
- True Width: 6.54 m
- From: 338 m
- To: 350 m
- Intercept Depth: 257 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-239:338-350
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Zone
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is moderate grade, below the project average, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 111

Context: 12.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 6.54

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-239

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-27)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-239
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.05
- Grade Unit: %
- Intercept: 12 m
- True Width: 6.54 m
- From: 338 m
- To: 350 m
- Intercept Depth: 257 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-239:338-350
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Zone
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is below the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.05

Context: 12.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 6.54

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-239

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-28)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-239
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.3
- Grade Unit: %
- Intercept: 12 m
- True Width: 6.54 m
- From: 338 m
- To: 350 m
- Intercept Depth: 257 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-239:338-350
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Zone
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is below the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.30

Context: 12.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 6.54

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-239

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-29)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-239
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 265
- Grade Unit: g/t
- Intercept: 2.5 m
- True Width: 1.38 m
- From: 344 m
- To: 346.5 m
- Intercept Depth: 257 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-239:344-346.5
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Zone
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is strong, above the project average, and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Positive factor: Category Upgrade

- Negative factor: Cut-off Undisclosed

Evidence · table

> 265

Context: 2.50

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.38

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-239

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-30)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-239
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 2.5 m
- True Width: 1.38 m
- From: 344 m
- To: 346.5 m
- Intercept Depth: 257 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-239:344-346.5
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Zone
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is above the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.2

Context: 2.50

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.38

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-239

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-31)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-239
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.9
- Grade Unit: %
- Intercept: 2.5 m
- True Width: 1.38 m
- From: 344 m
- To: 346.5 m
- Intercept Depth: 257 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-239:344-346.5
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Zone
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is above the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.9

Context: 2.50

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.38

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-239

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-32)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-239
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 559
- Grade Unit: g/t
- Intercept: 0.86 m
- True Width: 0.47 m
- From: 344.85 m
- To: 345.09 m
- Intercept Depth: 257 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-239:344.85-345.09
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Zone
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This bonanza-grade silver intercept is exceptional, significantly above the project average and prior best, and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Positive factor: Category Upgrade

- Negative factor: Cut-off Undisclosed

Evidence · table

> 559

Context: 0.86

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.47

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-239

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-33)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-239
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.5
- Grade Unit: %
- Intercept: 0.86 m
- True Width: 0.47 m
- From: 344.85 m
- To: 345.09 m
- Intercept Depth: 257 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-239:344.85-345.09
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Zone
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is above the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.5

Context: 0.86

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.47

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-239

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-34)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-239
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 2.3
- Grade Unit: %
- Intercept: 0.86 m
- True Width: 0.47 m
- From: 344.85 m
- To: 345.09 m
- Intercept Depth: 257 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-239:344.85-345.09
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Zone
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is above the project average grade and above the weak threshold for epithermal zinc, contributing to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 2.3

Context: 0.86

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.47

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-240

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-35)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-240
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 280
- Grade Unit: g/t
- Intercept: 2.45 m
- True Width: 1.4 m
- From: 249 m
- To: 251.45 m
- Intercept Depth: 249 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-240:249-251.45
- Mining Method: underground

#### Location

- Location: Hangingwall Zone to D Vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is strong, above the project average, and represents a new blind structure, contributing to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Positive factor: Category Upgrade

- Negative factor: Cut-off Undisclosed

Evidence · table

> 280

Context: 2.45

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.4

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-240

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-36)

Columba High-Grade · gold

#### Identity

- Hole ID: CDH-26-240
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.02
- Grade Unit: g/t
- Intercept: 2.45 m
- True Width: 1.4 m
- From: 249 m
- To: 251.45 m
- Intercept Depth: 249 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-240:249-251.45
- Mining Method: underground

#### Location

- Location: Hangingwall Zone to D Vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This gold intercept is very low grade, but represents a new blind structure, contributing to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.02

Context: 2.45

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.4

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-240

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-37)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-240
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 2.45 m
- True Width: 1.4 m
- From: 249 m
- To: 251.45 m
- Intercept Depth: 249 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-240:249-251.45
- Mining Method: underground

#### Location

- Location: Hangingwall Zone to D Vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is above the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.4

Context: 2.45

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.4

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-240

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-38)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-240
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.9
- Grade Unit: %
- Intercept: 2.45 m
- True Width: 1.4 m
- From: 249 m
- To: 251.45 m
- Intercept Depth: 249 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-240:249-251.45
- Mining Method: underground

#### Location

- Location: Hangingwall Zone to D Vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is above the project average grade and below the weak threshold for epithermal zinc, but represents a new blind structure, contributing to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.9

Context: 2.45

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.4

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-240

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-39)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-240
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1225
- Grade Unit: g/t
- Intercept: 0.35 m
- True Width: 0.2 m
- From: 251.1 m
- To: 251.45 m
- Intercept Depth: 249 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-240:251.1-251.45
- Mining Method: underground

#### Location

- Location: Hangingwall vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This bonanza-grade silver intercept is exceptional, significantly above the project average and prior best, and represents a new blind structure, contributing to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Positive factor: Category Upgrade

- Negative factor: Cut-off Undisclosed

Evidence · table

> 1,225

Context: 0.35

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.2

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-240

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-40)

Columba High-Grade · gold

#### Identity

- Hole ID: CDH-26-240
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.04
- Grade Unit: g/t
- Intercept: 0.35 m
- True Width: 0.2 m
- From: 251.1 m
- To: 251.45 m
- Intercept Depth: 249 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-240:251.1-251.45
- Mining Method: underground

#### Location

- Location: Hangingwall vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This gold intercept is very low grade, but represents a new blind structure, contributing to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.04

Context: 0.35

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.2

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-240

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-41)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-240
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 2
- Grade Unit: %
- Intercept: 0.35 m
- True Width: 0.2 m
- From: 251.1 m
- To: 251.45 m
- Intercept Depth: 249 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-240:251.1-251.45
- Mining Method: underground

#### Location

- Location: Hangingwall vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is above the project average grade and above the weak threshold for epithermal lead, representing a new blind structure, contributing to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 2.0

Context: 0.35

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.2

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-240

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-42)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-240
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 2.2
- Grade Unit: %
- Intercept: 0.35 m
- True Width: 0.2 m
- From: 251.1 m
- To: 251.45 m
- Intercept Depth: 249 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-240:251.1-251.45
- Mining Method: underground

#### Location

- Location: Hangingwall vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is above the project average grade and above the weak threshold for epithermal zinc, representing a new blind structure, contributing to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 2.2

Context: 0.35

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.2

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-240

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-43)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-240
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 44
- Grade Unit: g/t
- Intercept: 4.1 m
- True Width: 2.34 m
- From: 399.8 m
- To: 403.9 m
- Intercept Depth: 249 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-240:399.8-403.9
- Mining Method: underground

#### Location

- Location: D Vein interval
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is above the weak threshold but below the project average, contributing to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 44

Context: 4.10

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.34

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-240

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-44)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-240
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 4.1 m
- True Width: 2.34 m
- From: 399.8 m
- To: 403.9 m
- Intercept Depth: 249 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-240:399.8-403.9
- Mining Method: underground

#### Location

- Location: D Vein interval
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept matches the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.1

Context: 4.10

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.34

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-240

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-45)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-240
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 4.1 m
- True Width: 2.34 m
- From: 399.8 m
- To: 403.9 m
- Intercept Depth: 249 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-240:399.8-403.9
- Mining Method: underground

#### Location

- Location: D Vein interval
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is below the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.2

Context: 4.10

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.34

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-240

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-46)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-240
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 22
- Grade Unit: g/t
- Intercept: 0.55 m
- True Width: 0.31 m
- From: 406.2 m
- To: 406.75 m
- Intercept Depth: 249 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-240:406.2-406.75
- Mining Method: underground

#### Location

- Location: remainder of D Vein interval
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is below the weak threshold and project average, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 22

Context: 0.55

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.31

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-240

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-47)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-240
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 0.55 m
- True Width: 0.31 m
- From: 406.2 m
- To: 406.75 m
- Intercept Depth: 249 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-240:406.2-406.75
- Mining Method: underground

#### Location

- Location: remainder of D Vein interval
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept matches the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.1

Context: 0.55

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.31

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-240

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-48)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-240
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 0.55 m
- True Width: 0.31 m
- From: 406.2 m
- To: 406.75 m
- Intercept Depth: 249 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-240:406.2-406.75
- Mining Method: underground

#### Location

- Location: remainder of D Vein interval
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is below the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.4

Context: 0.55

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.31

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-241

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-49)

Columba High-Grade · silver

Needs review: ungrounded

#### Identity

- Hole ID: CDH-26-241
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 89
- Grade Unit: g/t
- Intercept: 1.2 m
- True Width: 0.41 m
- From: 182 m
- To: 183.2 m
- Intercept Depth: 182 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-241:182-183.2
- Mining Method: underground

#### Location

- Location: footwall to D Vein fine veinlets
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is moderate grade, below the project average, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 89

Context: 1.20

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.41

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-241

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-50)

Columba High-Grade · lead

Needs review: ungrounded

#### Identity

- Hole ID: CDH-26-241
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 1.2 m
- True Width: 0.41 m
- From: 182 m
- To: 183.2 m
- Intercept Depth: 182 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-241:182-183.2
- Mining Method: underground

#### Location

- Location: footwall to D Vein fine veinlets
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is below the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.00

Context: 1.20

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.41

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-241

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-51)

Columba High-Grade · zinc

Needs review: ungrounded

#### Identity

- Hole ID: CDH-26-241
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 1.2 m
- True Width: 0.41 m
- From: 182 m
- To: 183.2 m
- Intercept Depth: 182 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-241:182-183.2
- Mining Method: underground

#### Location

- Location: footwall to D Vein fine veinlets
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is below the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.1

Context: 1.20

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.41

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-241

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-52)

Columba High-Grade · silver

Needs review: ungrounded

#### Identity

- Hole ID: CDH-26-241
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 44
- Grade Unit: g/t
- Intercept: 49 m
- True Width: 16.66 m
- From: 263 m
- To: 312 m
- Intercept Depth: 182 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-241:263-312
- Mining Method: underground

#### Location

- Location: broad zone of fine quartz stockwork
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is above the weak threshold but below the project average, contributing to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 44

Context: 49.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 16.66

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-241

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-53)

Columba High-Grade · lead

Needs review: ungrounded

#### Identity

- Hole ID: CDH-26-241
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 49 m
- True Width: 16.66 m
- From: 263 m
- To: 312 m
- Intercept Depth: 182 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-241:263-312
- Mining Method: underground

#### Location

- Location: broad zone of fine quartz stockwork
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is below the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.0

Context: 49.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 16.66

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-241

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-54)

Columba High-Grade · zinc

Needs review: ungrounded

#### Identity

- Hole ID: CDH-26-241
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 49 m
- True Width: 16.66 m
- From: 263 m
- To: 312 m
- Intercept Depth: 182 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-241:263-312
- Mining Method: underground

#### Location

- Location: broad zone of fine quartz stockwork
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is below the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.1

Context: 49.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 16.66

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-241

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-55)

Columba High-Grade · silver

Needs review: ungrounded

#### Identity

- Hole ID: CDH-26-241
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 53
- Grade Unit: g/t
- Intercept: 50.8 m
- True Width: 17.27 m
- From: 380.2 m
- To: 431 m
- Intercept Depth: 182 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-241:380.2-431
- Mining Method: underground

#### Location

- Location: D Vein broad zone hosting fine qtz veinlets
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is above the weak threshold but below the project average, contributing to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 53

Context: 50.80

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 17.27

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-241

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-56)

Columba High-Grade · lead

Needs review: ungrounded

#### Identity

- Hole ID: CDH-26-241
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 50.8 m
- True Width: 17.27 m
- From: 380.2 m
- To: 431 m
- Intercept Depth: 182 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-241:380.2-431
- Mining Method: underground

#### Location

- Location: D Vein broad zone hosting fine qtz veinlets
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is below the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.0

Context: 50.80

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 17.27

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-241

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-57)

Columba High-Grade · zinc

Needs review: ungrounded

#### Identity

- Hole ID: CDH-26-241
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 50.8 m
- True Width: 17.27 m
- From: 380.2 m
- To: 431 m
- Intercept Depth: 182 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-241:380.2-431
- Mining Method: underground

#### Location

- Location: D Vein broad zone hosting fine qtz veinlets
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is below the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.2

Context: 50.80

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 17.27

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-241

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-58)

Columba High-Grade · silver

Needs review: ungrounded

#### Identity

- Hole ID: CDH-26-241
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 195
- Grade Unit: g/t
- Intercept: 2 m
- True Width: 0.68 m
- From: 429 m
- To: 431 m
- Intercept Depth: 182 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-241:429-431
- Mining Method: underground

#### Location

- Location: D Vein broad zone hosting fine qtz veinlets
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is strong, below the project average, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 195

Context: 2.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.68

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-241

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-59)

Columba High-Grade · gold

Needs review: ungrounded

#### Identity

- Hole ID: CDH-26-241
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.01
- Grade Unit: g/t
- Intercept: 2 m
- True Width: 0.68 m
- From: 429 m
- To: 431 m
- Intercept Depth: 182 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-241:429-431
- Mining Method: underground

#### Location

- Location: D Vein broad zone hosting fine qtz veinlets
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This gold intercept is very low grade, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.01

Context: 2.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.68

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-241

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-60)

Columba High-Grade · lead

Needs review: ungrounded

#### Identity

- Hole ID: CDH-26-241
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 2 m
- True Width: 0.68 m
- From: 429 m
- To: 431 m
- Intercept Depth: 182 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-241:429-431
- Mining Method: underground

#### Location

- Location: D Vein broad zone hosting fine qtz veinlets
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept matches the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.1

Context: 2.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.68

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-241

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-61)

Columba High-Grade · zinc

Needs review: ungrounded

#### Identity

- Hole ID: CDH-26-241
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 2 m
- True Width: 0.68 m
- From: 429 m
- To: 431 m
- Intercept Depth: 182 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-241:429-431
- Mining Method: underground

#### Location

- Location: D Vein broad zone hosting fine qtz veinlets
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is below the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.2

Context: 2.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.68

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-242

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-62)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-242
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1580
- Grade Unit: g/t
- Intercept: 0.3 m
- True Width: 0.16 m
- From: 179 m
- To: 179.3 m
- Intercept Depth: 179 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-242:179-179.3
- Mining Method: underground

#### Location

- Location: Thin hanging wall to D
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This bonanza-grade silver intercept is exceptional, significantly above the project average and prior best, and represents a new blind structure, contributing to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Positive factor: Category Upgrade

- Negative factor: Cut-off Undisclosed

Evidence · table

> 1,580

Context: 0.30

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.16

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-242

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-63)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-242
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 0.3 m
- True Width: 0.16 m
- From: 179 m
- To: 179.3 m
- Intercept Depth: 179 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-242:179-179.3
- Mining Method: underground

#### Location

- Location: Thin hanging wall to D
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is above the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.4

Context: 0.30

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.16

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-242

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-64)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-242
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.5
- Grade Unit: %
- Intercept: 0.3 m
- True Width: 0.16 m
- From: 179 m
- To: 179.3 m
- Intercept Depth: 179 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-242:179-179.3
- Mining Method: underground

#### Location

- Location: Thin hanging wall to D
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is below the project average grade and below the weak threshold for epithermal zinc, but represents a new blind structure, contributing to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.5

Context: 0.30

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.16

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-242

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-65)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-242
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 38
- Grade Unit: g/t
- Intercept: 10.5 m
- True Width: 5.71 m
- From: 457.5 m
- To: 468 m
- Intercept Depth: 179 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-242:457.5-468
- Mining Method: underground

#### Location

- Location: D Vein projection
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is above the weak threshold but below the project average, contributing to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 38

Context: 10.50

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 5.71

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-242

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-66)

Columba High-Grade · gold

#### Identity

- Hole ID: CDH-26-242
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.11
- Grade Unit: g/t
- Intercept: 10.5 m
- True Width: 5.71 m
- From: 457.5 m
- To: 468 m
- Intercept Depth: 179 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-242:457.5-468
- Mining Method: underground

#### Location

- Location: D Vein projection
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This gold intercept is very low grade, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.11

Context: 10.50

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 5.71

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-242

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-67)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-242
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 10.5 m
- True Width: 5.71 m
- From: 457.5 m
- To: 468 m
- Intercept Depth: 179 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-242:457.5-468
- Mining Method: underground

#### Location

- Location: D Vein projection
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept matches the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.1

Context: 10.50

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 5.71

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-242

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-68)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-242
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1.7
- Grade Unit: %
- Intercept: 10.5 m
- True Width: 5.71 m
- From: 457.5 m
- To: 468 m
- Intercept Depth: 179 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-242:457.5-468
- Mining Method: underground

#### Location

- Location: D Vein projection
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is above the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 1.7

Context: 10.50

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 5.71

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-242

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-69)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-242
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 52
- Grade Unit: g/t
- Intercept: 1.5 m
- True Width: 0.82 m
- From: 462 m
- To: 463.5 m
- Intercept Depth: 179 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-242:462-463.5
- Mining Method: underground

#### Location

- Location: D Vein projection
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is above the weak threshold but below the project average, contributing to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 52

Context: 1.50

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.82

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-242

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-70)

Columba High-Grade · gold

#### Identity

- Hole ID: CDH-26-242
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.54
- Grade Unit: g/t
- Intercept: 1.5 m
- True Width: 0.82 m
- From: 462 m
- To: 463.5 m
- Intercept Depth: 179 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-242:462-463.5
- Mining Method: underground

#### Location

- Location: D Vein projection
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This gold intercept is very low grade, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.54

Context: 1.50

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.82

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-242

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-71)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-242
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 1.5 m
- True Width: 0.82 m
- From: 462 m
- To: 463.5 m
- Intercept Depth: 179 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-242:462-463.5
- Mining Method: underground

#### Location

- Location: D Vein projection
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is above the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.2

Context: 1.50

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.82

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-242

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-72)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-242
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 9.4
- Grade Unit: %
- Intercept: 1.5 m
- True Width: 0.82 m
- From: 462 m
- To: 463.5 m
- Intercept Depth: 179 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-242:462-463.5
- Mining Method: underground

#### Location

- Location: D Vein projection
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is strong, significantly above the project average and prior best, and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Positive factor: Category Upgrade

- Negative factor: Cut-off Undisclosed

Evidence · table

> 9.4

Context: 1.50

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.82

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-73)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 63
- Grade Unit: g/t
- Intercept: 14.88 m
- True Width: 3.27 m
- From: 280.62 m
- To: 295.5 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:280.62-295.5
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is above the weak threshold but below the project average, contributing to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 63

Context: 14.88

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.27

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-74)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 14.88 m
- True Width: 3.27 m
- From: 280.62 m
- To: 295.5 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:280.62-295.5
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is below the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.0

Context: 14.88

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.27

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-75)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 14.88 m
- True Width: 3.27 m
- From: 280.62 m
- To: 295.5 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:280.62-295.5
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is below the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.1

Context: 14.88

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.27

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-76)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 596
- Grade Unit: g/t
- Intercept: 0.3 m
- True Width: 0.07 m
- From: 280.62 m
- To: 280.92 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:280.62-280.92
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This bonanza-grade silver intercept is exceptional, significantly above the project average and prior best, and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: Bonanza Intercept

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Positive factor: Category Upgrade

- Negative factor: Cut-off Undisclosed

Evidence · table

> 596

Context: 0.30

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.07

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-77)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 0.3 m
- True Width: 0.07 m
- From: 280.62 m
- To: 280.92 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:280.62-280.92
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is above the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.2

Context: 0.30

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.07

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-78)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.9
- Grade Unit: %
- Intercept: 0.3 m
- True Width: 0.07 m
- From: 280.62 m
- To: 280.92 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:280.62-280.92
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is above the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.9

Context: 0.30

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.07

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-79)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 339
- Grade Unit: g/t
- Intercept: 0.35 m
- True Width: 0.08 m
- From: 289.15 m
- To: 289.5 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:289.15-289.5
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is strong, above the project average, and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Positive factor: Category Upgrade

- Negative factor: Cut-off Undisclosed

Evidence · table

> 339

Context: 0.35

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.08

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-80)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.35 m
- True Width: 0.08 m
- From: 289.15 m
- To: 289.5 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:289.15-289.5
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is below the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.0

Context: 0.35

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.08

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-81)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 0.35 m
- True Width: 0.08 m
- From: 289.15 m
- To: 289.5 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:289.15-289.5
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is below the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.4

Context: 0.35

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.08

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-82)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 251
- Grade Unit: g/t
- Intercept: 1.32 m
- True Width: 0.29 m
- From: 294.18 m
- To: 295.5 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:294.18-295.5
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is strong, above the project average, and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Positive factor: Category Upgrade

- Negative factor: Cut-off Undisclosed

Evidence · table

> 251

Context: 1.32

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.29

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-83)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 1.32 m
- True Width: 0.29 m
- From: 294.18 m
- To: 295.5 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:294.18-295.5
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept matches the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.1

Context: 1.32

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.29

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-84)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 1.32 m
- True Width: 0.29 m
- From: 294.18 m
- To: 295.5 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:294.18-295.5
- Mining Method: underground

#### Location

- Location: Veining in footwall to D Vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is below the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.4

Context: 1.32

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.29

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-85)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 178
- Grade Unit: g/t
- Intercept: 17 m
- True Width: 3.74 m
- From: 435 m
- To: 452 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:435-452
- Mining Method: underground

#### Location

- Location: D Vein trend
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is strong, below the project average, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 178

Context: 17.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.74

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-86)

Columba High-Grade · gold

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: g/t
- Intercept: 17 m
- True Width: 3.74 m
- From: 435 m
- To: 452 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:435-452
- Mining Method: underground

#### Location

- Location: D Vein trend
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This gold intercept is very low grade, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.10

Context: 17.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.74

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-87)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 17 m
- True Width: 3.74 m
- From: 435 m
- To: 452 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:435-452
- Mining Method: underground

#### Location

- Location: D Vein trend
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept matches the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.1

Context: 17.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.74

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-88)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1.2
- Grade Unit: %
- Intercept: 17 m
- True Width: 3.74 m
- From: 435 m
- To: 452 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:435-452
- Mining Method: underground

#### Location

- Location: D Vein trend
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is above the project average grade and above the weak threshold for epithermal zinc, contributing to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 1.2

Context: 17.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.74

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-89)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 291
- Grade Unit: g/t
- Intercept: 5.5 m
- True Width: 1.21 m
- From: 445.5 m
- To: 451 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:445.5-451
- Mining Method: underground

#### Location

- Location: D Vein trend
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is strong, above the project average, and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Positive factor: Category Upgrade

- Negative factor: Cut-off Undisclosed

Evidence · table

> 291

Context: 5.50

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.21

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-90)

Columba High-Grade · gold

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.28
- Grade Unit: g/t
- Intercept: 5.5 m
- True Width: 1.21 m
- From: 445.5 m
- To: 451 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:445.5-451
- Mining Method: underground

#### Location

- Location: D Vein trend
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This gold intercept is very low grade, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.28

Context: 5.50

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.21

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-91)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 5.5 m
- True Width: 1.21 m
- From: 445.5 m
- To: 451 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:445.5-451
- Mining Method: underground

#### Location

- Location: D Vein trend
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept matches the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.1

Context: 5.50

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.21

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-243

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-92)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-243
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1.9
- Grade Unit: %
- Intercept: 5.5 m
- True Width: 1.21 m
- From: 445.5 m
- To: 451 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-243:445.5-451
- Mining Method: underground

#### Location

- Location: D Vein trend
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is above the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 1.9

Context: 5.50

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.21

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-244

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-93)

Columba High-Grade · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CDH-26-244
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 25
- Grade Unit: g/t
- Intercept: 18 m
- True Width: 11.88 m
- From: 568 m
- To: 586 m
- Intercept Depth: 568 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-244:568-586
- Mining Method: underground

#### Location

- Location: Deep intercept on D Vein projection
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-06-17T00:00:00.000Z

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is below the weak threshold and project average, but contributes to the expansion of the D Vein system at depth, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 25

Context: 18.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 11.88

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-244

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-94)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-244
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 18 m
- True Width: 11.88 m
- From: 568 m
- To: 586 m
- Intercept Depth: 568 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-244:568-586
- Mining Method: underground

#### Location

- Location: Deep intercept on D Vein projection
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is above the project average grade and contributes to the expansion of the D Vein system at depth, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.4

Context: 18.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 11.88

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-244

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-95)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-244
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1.1
- Grade Unit: %
- Intercept: 18 m
- True Width: 11.88 m
- From: 568 m
- To: 586 m
- Intercept Depth: 568 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-244:568-586
- Mining Method: underground

#### Location

- Location: Deep intercept on D Vein projection
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is above the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system at depth, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 1.1

Context: 18.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 11.88

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-244

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-96)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-244
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 46
- Grade Unit: g/t
- Intercept: 0.85 m
- True Width: 0.56 m
- From: 579.5 m
- To: 580.35 m
- Intercept Depth: 568 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-244:579.5-580.35
- Mining Method: underground

#### Location

- Location: Deep intercept on D Vein projection
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is above the weak threshold but below the project average, contributing to the expansion of the D Vein system at depth, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 46

Context: 0.85

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.56

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-244

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-97)

Columba High-Grade · gold

#### Identity

- Hole ID: CDH-26-244
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.02
- Grade Unit: g/t
- Intercept: 0.85 m
- True Width: 0.56 m
- From: 579.5 m
- To: 580.35 m
- Intercept Depth: 568 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-244:579.5-580.35
- Mining Method: underground

#### Location

- Location: Deep intercept on D Vein projection
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This gold intercept is very low grade, but contributes to the expansion of the D Vein system at depth, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.02

Context: 0.85

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.56

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-244

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-98)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-244
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 0.85 m
- True Width: 0.56 m
- From: 579.5 m
- To: 580.35 m
- Intercept Depth: 568 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-244:579.5-580.35
- Mining Method: underground

#### Location

- Location: Deep intercept on D Vein projection
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is above the project average grade and contributes to the expansion of the D Vein system at depth, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.2

Context: 0.85

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.56

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-244

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-99)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-244
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1.7
- Grade Unit: %
- Intercept: 0.85 m
- True Width: 0.56 m
- From: 579.5 m
- To: 580.35 m
- Intercept Depth: 568 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-244:579.5-580.35
- Mining Method: underground

#### Location

- Location: Deep intercept on D Vein projection
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is above the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system at depth, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 1.7

Context: 0.85

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.56

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-244

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-100)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26-244
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 13
- Grade Unit: g/t
- Intercept: 1 m
- True Width: 0.66 m
- From: 658 m
- To: 659 m
- Intercept Depth: 568 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-244:658-659
- Mining Method: underground

#### Location

- Location: Deep intercept on D Vein projection
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is below the weak threshold and project average, but contributes to the expansion of the D Vein system at depth, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 13

Context: 1.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.66

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-244

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-101)

Columba High-Grade · gold

#### Identity

- Hole ID: CDH-26-244
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1.61
- Grade Unit: g/t
- Intercept: 1 m
- True Width: 0.66 m
- From: 658 m
- To: 659 m
- Intercept Depth: 568 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-244:658-659
- Mining Method: underground

#### Location

- Location: Deep intercept on D Vein projection
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This gold intercept is below the weak threshold for underground gold, but contributes to the expansion of the D Vein system at depth, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 1.61

Context: 1.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.66

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-244

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-102)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26-244
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.5
- Grade Unit: %
- Intercept: 1 m
- True Width: 0.66 m
- From: 658 m
- To: 659 m
- Intercept Depth: 568 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-244:658-659
- Mining Method: underground

#### Location

- Location: Deep intercept on D Vein projection
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is above the project average grade and contributes to the expansion of the D Vein system at depth, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.5

Context: 1.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.66

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-244

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-103)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26-244
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1.4
- Grade Unit: %
- Intercept: 1 m
- True Width: 0.66 m
- From: 658 m
- To: 659 m
- Intercept Depth: 568 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-244:658-659
- Mining Method: underground

#### Location

- Location: Deep intercept on D Vein projection
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This zinc intercept is above the project average grade and below the weak threshold for epithermal zinc, but contributes to the expansion of the D Vein system at depth, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 1.4

Context: 1.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.66

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-245

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-104)

Columba High-Grade · silver

Historical result

Needs review: ungrounded

#### Identity

- Hole ID: CDH-26-245
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 28
- Grade Unit: g/t
- Intercept: 9 m
- True Width: 3.96 m
- From: 315 m
- To: 324 m
- Intercept Depth: 315 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-245:315-324
- Mining Method: underground

#### Location

- Location: Veinlets in footwall to D Vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-06-17T00:00:00.000Z

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This silver intercept is below the weak threshold and project average, but contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 28

Context: 9.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.96

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-245

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-105)

Columba High-Grade · lead

Needs review: ungrounded

#### Identity

- Hole ID: CDH-26-245
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 9 m
- True Width: 3.96 m
- From: 315 m
- To: 324 m
- Intercept Depth: 315 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-245:315-324
- Mining Method: underground

#### Location

- Location: Veinlets in footwall to D Vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: This lead intercept is below the project average grade and contributes to the expansion of the D Vein system, with true width disclosed and robust QA/QC.

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

- Positive factor: Step-Out Extension

- Negative factor: Cut-off Undisclosed

Evidence · table

> 0.0

Context: 9.00

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.96

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26-245

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-106)

Columba High-Grade · zinc

Needs review: ungrounded

#### Identity

- Hole ID: CDH-26-245
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 9 m
- True Width: 3.96 m
- From: 315 m
- To: 324 m
- Intercept Depth: 315 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: CDH-26-245:315-324
- Mining Method: underground

#### Location

- Location: Veinlets in footwall to D Vein
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

- Positive factor: True Width Disclosed

- Positive factor: QA/QC Disclosed

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.96

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-107)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 476
- Grade Unit: g/t
- Intercept: 1.1 m
- True Width: 0.94 m
- From: 349.25 m
- To: 350.35 m
- Intercept Depth: 349.25 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl:349.25-350.35
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 476 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 523.6 g/t·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 476 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 476

Context: Incl

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.94

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-108)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 1.1 m
- True Width: 0.94 m
- From: 349.25 m
- To: 350.35 m
- Intercept Depth: 349.25 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl:349.25-350.35
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: Incl

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.94

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-109)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 1.1 m
- True Width: 0.94 m
- From: 349.25 m
- To: 350.35 m
- Intercept Depth: 349.25 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl:349.25-350.35
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.1 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: Incl

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.94

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### And

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-110)

Columba High-Grade · silver

#### Identity

- Hole ID: And
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 252
- Grade Unit: g/t
- Intercept: 2.2 m
- True Width: 2.07 m
- From: 429.8 m
- To: 432 m
- Intercept Depth: 429.8 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: And:429.8-432
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 252 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 554.4 g/t·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 252 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 252

Context: And

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.07

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### And

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-111)

Columba High-Grade · gold

#### Identity

- Hole ID: And
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.02
- Grade Unit: g/t
- Intercept: 2.2 m
- True Width: 2.07 m
- From: 429.8 m
- To: 432 m
- Intercept Depth: 429.8 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: And:429.8-432
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 0.0 g/t·m is below.

- Negative factor: 0.02 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.02

Context: And

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.07

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### And

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-112)

Columba High-Grade · lead

#### Identity

- Hole ID: And
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 2.2 m
- True Width: 2.07 m
- From: 429.8 m
- To: 432 m
- Intercept Depth: 429.8 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: And:429.8-432
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.4 %·m is below.

- Negative factor: 0.2 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.2

Context: And

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.07

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### And

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-113)

Columba High-Grade · zinc

#### Identity

- Hole ID: And
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 2.2 m
- True Width: 2.07 m
- From: 429.8 m
- To: 432 m
- Intercept Depth: 429.8 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: And:429.8-432
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.4 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.9 %·m is below.

- Negative factor: 0.4 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.4

Context: And

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.07

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-114)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 524
- Grade Unit: g/t
- Intercept: 0.95 m
- True Width: 0.89 m
- From: 429.8 m
- To: 430.75 m
- Intercept Depth: 429.8 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl:429.8-430.75
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 524 g/t silver is exceptional against the default band \[500, 200, 100, 30\] g/t. Grade×width 497.8 g/t·m is weak \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 524 g/t silver is exceptional on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 524

Context: Incl

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.89

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-115)

Columba High-Grade · gold

#### Identity

- Hole ID: Incl
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.04
- Grade Unit: g/t
- Intercept: 0.95 m
- True Width: 0.89 m
- From: 429.8 m
- To: 430.75 m
- Intercept Depth: 429.8 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl:429.8-430.75
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.04 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 0.0 g/t·m is below.

- Negative factor: 0.04 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.04

Context: Incl

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.89

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-116)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.3
- Grade Unit: %
- Intercept: 0.95 m
- True Width: 0.89 m
- From: 429.8 m
- To: 430.75 m
- Intercept Depth: 429.8 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl:429.8-430.75
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.3 %·m is below.

- Negative factor: 0.3 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.3

Context: Incl

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.89

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-117)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 0.95 m
- True Width: 0.89 m
- From: 429.8 m
- To: 430.75 m
- Intercept Depth: 429.8 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl:429.8-430.75
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.4 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.4 %·m is below.

- Negative factor: 0.4 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.4

Context: Incl

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.89

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### And

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-118)

Columba High-Grade · silver

#### Identity

- Hole ID: And
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 32
- Grade Unit: g/t
- Intercept: 9 m
- True Width: 4.91 m
- From: 287 m
- To: 296 m
- Intercept Depth: 287 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: And:287-296
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 32 g/t silver is weak against the default band \[500, 200, 100, 30\] g/t. Grade×width 288.0 g/t·m is weak.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 32

Context: And

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 4.91

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### And

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-119)

Columba High-Grade · lead

#### Identity

- Hole ID: And
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 9 m
- True Width: 4.91 m
- From: 287 m
- To: 296 m
- Intercept Depth: 287 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: And:287-296
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.2 %·m is below.

- Negative factor: 0.02 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.02

Context: And

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 4.91

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### And

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-120)

Columba High-Grade · zinc

#### Identity

- Hole ID: And
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.06
- Grade Unit: %
- Intercept: 9 m
- True Width: 4.91 m
- From: 287 m
- To: 296 m
- Intercept Depth: 287 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: And:287-296
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.06 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.5 %·m is below.

- Negative factor: 0.06 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.06

Context: And

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 4.91

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### And

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-121)

Columba High-Grade · silver

#### Identity

- Hole ID: And
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 94
- Grade Unit: g/t
- Intercept: 11 m
- True Width: 6 m
- From: 299 m
- To: 310 m
- Intercept Depth: 299 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: And:299-310
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 94 g/t silver is moderate against the default band \[500, 200, 100, 30\] g/t. Grade×width 1034.0 g/t·m is moderate \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 94

Context: And

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 6

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### And

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-122)

Columba High-Grade · lead

#### Identity

- Hole ID: And
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 11 m
- True Width: 6 m
- From: 299 m
- To: 310 m
- Intercept Depth: 299 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: And:299-310
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.2 %·m is below.

- Negative factor: 0.02 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.02

Context: And

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 6

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### And

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-123)

Columba High-Grade · zinc

#### Identity

- Hole ID: And
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.09
- Grade Unit: %
- Intercept: 11 m
- True Width: 6 m
- From: 299 m
- To: 310 m
- Intercept Depth: 299 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: And:299-310
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.09 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 1.0 %·m is below.

- Negative factor: 0.09 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.09

Context: And

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 6

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### And

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-124)

Columba High-Grade · silver

#### Identity

- Hole ID: And
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 111
- Grade Unit: g/t
- Intercept: 12 m
- True Width: 6.54 m
- From: 338 m
- To: 350 m
- Intercept Depth: 338 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: And:338-350
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 111 g/t silver is moderate against the default band \[500, 200, 100, 30\] g/t. Grade×width 1332.0 g/t·m is moderate.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 111

Context: And

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 6.54

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### And

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-125)

Columba High-Grade · lead

#### Identity

- Hole ID: And
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.05
- Grade Unit: %
- Intercept: 12 m
- True Width: 6.54 m
- From: 338 m
- To: 350 m
- Intercept Depth: 338 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: And:338-350
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.05 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.6 %·m is below.

- Negative factor: 0.05 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.05

Context: And

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 6.54

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### And

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-126)

Columba High-Grade · zinc

#### Identity

- Hole ID: And
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.3
- Grade Unit: %
- Intercept: 12 m
- True Width: 6.54 m
- From: 338 m
- To: 350 m
- Intercept Depth: 338 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: And:338-350
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 3.6 %·m is below.

- Negative factor: 0.3 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.30

Context: And

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 6.54

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-127)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 265
- Grade Unit: g/t
- Intercept: 2.5 m
- True Width: 1.38 m
- From: 344 m
- To: 346.5 m
- Intercept Depth: 344 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:344-346.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 265 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 662.5 g/t·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 265 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 265

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.38

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-128)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 2.5 m
- True Width: 1.38 m
- From: 344 m
- To: 346.5 m
- Intercept Depth: 344 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:344-346.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.5 %·m is below.

- Negative factor: 0.2 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.2

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.38

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-129)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.9
- Grade Unit: %
- Intercept: 2.5 m
- True Width: 1.38 m
- From: 344 m
- To: 346.5 m
- Intercept Depth: 344 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:344-346.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.9 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 2.3 %·m is below.

- Negative factor: 0.9 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.9

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.38

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-130)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 559
- Grade Unit: g/t
- Intercept: 0.86 m
- True Width: 0.47 m
- From: 344.85 m
- To: 345.09 m
- Intercept Depth: 344.85 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:344.85-345.09
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 559 g/t silver is exceptional against the default band \[500, 200, 100, 30\] g/t. Grade×width 480.7 g/t·m is weak \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 559 g/t silver is exceptional on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 559

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.47

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-131)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.5
- Grade Unit: %
- Intercept: 0.86 m
- True Width: 0.47 m
- From: 344.85 m
- To: 345.09 m
- Intercept Depth: 344.85 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:344.85-345.09
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.5 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.4 %·m is below.

- Negative factor: 0.5 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.5

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.47

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-132)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 2.3
- Grade Unit: %
- Intercept: 0.86 m
- True Width: 0.47 m
- From: 344.85 m
- To: 345.09 m
- Intercept Depth: 344.85 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:344.85-345.09
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 2.3 % zinc is weak against the default band \[18, 10, 5, 2\] %. Grade×width 2.0 %·m is below \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 2.3

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.47

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-133)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1225
- Grade Unit: g/t
- Intercept: 0.35 m
- True Width: 0.2 m
- From: 251.1 m
- To: 251.45 m
- Intercept Depth: 251.1 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:251.1-251.45
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 1225 g/t silver is exceptional against the default band \[500, 200, 100, 30\] g/t. Grade×width 428.8 g/t·m is weak \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1225 g/t silver is exceptional on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1,225

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.2

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-134)

Columba High-Grade · gold

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.04
- Grade Unit: g/t
- Intercept: 0.35 m
- True Width: 0.2 m
- From: 251.1 m
- To: 251.45 m
- Intercept Depth: 251.1 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:251.1-251.45
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.04 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 0.0 g/t·m is below.

- Negative factor: 0.04 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.04

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.2

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-135)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 2
- Grade Unit: %
- Intercept: 0.35 m
- True Width: 0.2 m
- From: 251.1 m
- To: 251.45 m
- Intercept Depth: 251.1 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:251.1-251.45
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 2 % lead is weak against the default band \[10, 6, 3, 1\] %. Grade×width 0.7 %·m is below \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 2.0

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.2

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-136)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 2.2
- Grade Unit: %
- Intercept: 0.35 m
- True Width: 0.2 m
- From: 251.1 m
- To: 251.45 m
- Intercept Depth: 251.1 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:251.1-251.45
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 2.2 % zinc is weak against the default band \[18, 10, 5, 2\] %. Grade×width 0.8 %·m is below \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 2.2

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.2

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-137)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 44
- Grade Unit: g/t
- Intercept: 4.1 m
- True Width: 2.34 m
- From: 399.8 m
- To: 403.9 m
- Intercept Depth: 399.8 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:399.8-403.9
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 44 g/t silver is weak against the default band \[500, 200, 100, 30\] g/t. Grade×width 180.4 g/t·m is below \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 44

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.34

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-138)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 4.1 m
- True Width: 2.34 m
- From: 399.8 m
- To: 403.9 m
- Intercept Depth: 399.8 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:399.8-403.9
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.4 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.34

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-139)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 4.1 m
- True Width: 2.34 m
- From: 399.8 m
- To: 403.9 m
- Intercept Depth: 399.8 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:399.8-403.9
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.8 %·m is below.

- Negative factor: 0.2 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.2

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.34

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-140)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 22
- Grade Unit: g/t
- Intercept: 0.55 m
- True Width: 0.31 m
- From: 406.2 m
- To: 406.75 m
- Intercept Depth: 406.2 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:406.2-406.75
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 22 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 12.1 g/t·m is below.

- Negative factor: 22 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 22

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.31

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-141)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 0.55 m
- True Width: 0.31 m
- From: 406.2 m
- To: 406.75 m
- Intercept Depth: 406.2 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:406.2-406.75
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.31

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-142)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 0.55 m
- True Width: 0.31 m
- From: 406.2 m
- To: 406.75 m
- Intercept Depth: 406.2 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:406.2-406.75
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.4 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.2 %·m is below.

- Negative factor: 0.4 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.4

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.31

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-143)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 44
- Grade Unit: g/t
- Intercept: 49 m
- True Width: 16.66 m
- From: 263 m
- To: 312 m
- Intercept Depth: 263 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:263-312
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 44 g/t silver is moderate against the default band \[500, 200, 100, 30\] g/t. Grade×width 2156.0 g/t·m is moderate \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 44

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 16.66

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-144)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 49 m
- True Width: 16.66 m
- From: 263 m
- To: 312 m
- Intercept Depth: 263 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:263-312
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.0 %·m is below.

- Negative factor: 0 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.0

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 16.66

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-145)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 49 m
- True Width: 16.66 m
- From: 263 m
- To: 312 m
- Intercept Depth: 263 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:263-312
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 4.9 %·m is below.

- Negative factor: 0.1 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 16.66

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-146)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 53
- Grade Unit: g/t
- Intercept: 50.8 m
- True Width: 17.27 m
- From: 380.2 m
- To: 431 m
- Intercept Depth: 380.2 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:380.2-431
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 53 g/t silver is moderate against the default band \[500, 200, 100, 30\] g/t. Grade×width 2692.4 g/t·m is moderate \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 53

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 17.27

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-147)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 50.8 m
- True Width: 17.27 m
- From: 380.2 m
- To: 431 m
- Intercept Depth: 380.2 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:380.2-431
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.0 %·m is below.

- Negative factor: 0 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.0

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 17.27

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-148)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 50.8 m
- True Width: 17.27 m
- From: 380.2 m
- To: 431 m
- Intercept Depth: 380.2 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:380.2-431
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 10.2 %·m is below.

- Negative factor: 0.2 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.2

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 17.27

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-149)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 195
- Grade Unit: g/t
- Intercept: 2 m
- True Width: 0.68 m
- From: 429 m
- To: 431 m
- Intercept Depth: 429 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:429-431
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 195 g/t silver is moderate against the default band \[500, 200, 100, 30\] g/t. Grade×width 390.0 g/t·m is weak \(grade alone is moderate; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 195

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.68

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-150)

Columba High-Grade · gold

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.01
- Grade Unit: g/t
- Intercept: 2 m
- True Width: 0.68 m
- From: 429 m
- To: 431 m
- Intercept Depth: 429 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:429-431
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.01 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 0.0 g/t·m is below.

- Negative factor: 0.01 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.01

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.68

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-151)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 2 m
- True Width: 0.68 m
- From: 429 m
- To: 431 m
- Intercept Depth: 429 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:429-431
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.2 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.68

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-152)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 2 m
- True Width: 0.68 m
- From: 429 m
- To: 431 m
- Intercept Depth: 429 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:429-431
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.4 %·m is below.

- Negative factor: 0.2 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.2

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.68

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-153)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 38
- Grade Unit: g/t
- Intercept: 10.5 m
- True Width: 5.71 m
- From: 457.5 m
- To: 468 m
- Intercept Depth: 457.5 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:457.5-468
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 38 g/t silver is weak against the default band \[500, 200, 100, 30\] g/t. Grade×width 399.0 g/t·m is weak.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 38

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 5.71

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-154)

Columba High-Grade · gold

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.11
- Grade Unit: g/t
- Intercept: 10.5 m
- True Width: 5.71 m
- From: 457.5 m
- To: 468 m
- Intercept Depth: 457.5 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:457.5-468
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.11 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 1.2 g/t·m is below.

- Negative factor: 0.11 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.11

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 5.71

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-155)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 10.5 m
- True Width: 5.71 m
- From: 457.5 m
- To: 468 m
- Intercept Depth: 457.5 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:457.5-468
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 1.1 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 5.71

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-156)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1.7
- Grade Unit: %
- Intercept: 10.5 m
- True Width: 5.71 m
- From: 457.5 m
- To: 468 m
- Intercept Depth: 457.5 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:457.5-468
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 1.7 % zinc is weak against the default band \[18, 10, 5, 2\] %. Grade×width 17.8 %·m is weak \(grade alone is below; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.7

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 5.71

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### INCL

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-157)

Columba High-Grade · silver

#### Identity

- Hole ID: INCL
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 52
- Grade Unit: g/t
- Intercept: 1.5 m
- True Width: 0.82 m
- From: 462 m
- To: 463.5 m
- Intercept Depth: 462 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: INCL:462-463.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 52 g/t silver is weak against the default band \[500, 200, 100, 30\] g/t. Grade×width 78.0 g/t·m is below \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 52

Context: INCL

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.82

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### INCL

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-158)

Columba High-Grade · gold

#### Identity

- Hole ID: INCL
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.54
- Grade Unit: g/t
- Intercept: 1.5 m
- True Width: 0.82 m
- From: 462 m
- To: 463.5 m
- Intercept Depth: 462 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: INCL:462-463.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.54 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 0.8 g/t·m is below.

- Negative factor: 0.54 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.54

Context: INCL

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.82

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### INCL

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-159)

Columba High-Grade · lead

#### Identity

- Hole ID: INCL
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 1.5 m
- True Width: 0.82 m
- From: 462 m
- To: 463.5 m
- Intercept Depth: 462 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: INCL:462-463.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.3 %·m is below.

- Negative factor: 0.2 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.2

Context: INCL

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.82

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### INCL

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-160)

Columba High-Grade · zinc

#### Identity

- Hole ID: INCL
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 9.4
- Grade Unit: %
- Intercept: 1.5 m
- True Width: 0.82 m
- From: 462 m
- To: 463.5 m
- Intercept Depth: 462 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: INCL:462-463.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 9.4 % zinc is moderate against the default band \[18, 10, 5, 2\] %. Grade×width 14.1 %·m is below \(grade alone is moderate; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 9.4

Context: INCL

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.82

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-161)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 596
- Grade Unit: g/t
- Intercept: 0.3 m
- True Width: 0.07 m
- From: 280.62 m
- To: 280.92 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:280.62-280.92
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 596 g/t silver is exceptional against the default band \[500, 200, 100, 30\] g/t. Grade×width 178.8 g/t·m is below \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 596 g/t silver is exceptional on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 596

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.07

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-162)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 0.3 m
- True Width: 0.07 m
- From: 280.62 m
- To: 280.92 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:280.62-280.92
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.2 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.2

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.07

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-163)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.9
- Grade Unit: %
- Intercept: 0.3 m
- True Width: 0.07 m
- From: 280.62 m
- To: 280.92 m
- Intercept Depth: 280.62 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:280.62-280.92
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.9 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.3 %·m is below.

- Negative factor: 0.9 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.9

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.07

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-164)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 339
- Grade Unit: g/t
- Intercept: 0.35 m
- True Width: 0.08 m
- From: 289.15 m
- To: 289.5 m
- Intercept Depth: 289.15 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:289.15-289.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 339 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 118.6 g/t·m is below \(grade alone is strong; the better of the two is used\).

- Positive factor: 339 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 339

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.08

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-165)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.35 m
- True Width: 0.08 m
- From: 289.15 m
- To: 289.5 m
- Intercept Depth: 289.15 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:289.15-289.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.0 %·m is below.

- Negative factor: 0 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.0

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.08

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-166)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 0.35 m
- True Width: 0.08 m
- From: 289.15 m
- To: 289.5 m
- Intercept Depth: 289.15 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:289.15-289.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.4 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.4 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.4

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.08

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-167)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 251
- Grade Unit: g/t
- Intercept: 1.32 m
- True Width: 0.29 m
- From: 294.18 m
- To: 295.5 m
- Intercept Depth: 294.18 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:294.18-295.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 251 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 331.3 g/t·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 251 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 251

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.29

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-168)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 1.32 m
- True Width: 0.29 m
- From: 294.18 m
- To: 295.5 m
- Intercept Depth: 294.18 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:294.18-295.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.29

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-169)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 1.32 m
- True Width: 0.29 m
- From: 294.18 m
- To: 295.5 m
- Intercept Depth: 294.18 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:294.18-295.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.4 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.5 %·m is below.

- Negative factor: 0.4 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.4

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.29

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-170)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 178
- Grade Unit: g/t
- Intercept: 17 m
- True Width: 3.74 m
- From: 435 m
- To: 452 m
- Intercept Depth: 435 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:435-452
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 178 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 3026.0 g/t·m is strong \(grade alone is moderate; the better of the two is used\).

- Positive factor: 178 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 178

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.74

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-171)

Columba High-Grade · gold

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: g/t
- Intercept: 17 m
- True Width: 3.74 m
- From: 435 m
- To: 452 m
- Intercept Depth: 435 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:435-452
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 1.7 g/t·m is below.

- Negative factor: 0.1 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.10

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.74

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-172)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 17 m
- True Width: 3.74 m
- From: 435 m
- To: 452 m
- Intercept Depth: 435 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:435-452
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 1.7 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.74

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-173)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1.2
- Grade Unit: %
- Intercept: 17 m
- True Width: 3.74 m
- From: 435 m
- To: 452 m
- Intercept Depth: 435 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:435-452
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 1.2 % zinc is weak against the default band \[18, 10, 5, 2\] %. Grade×width 20.4 %·m is weak \(grade alone is below; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.2

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.74

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-174)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 291
- Grade Unit: g/t
- Intercept: 5.5 m
- True Width: 1.21 m
- From: 445.5 m
- To: 451 m
- Intercept Depth: 445.5 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:445.5-451
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 291 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 1600.5 g/t·m is moderate \(grade alone is strong; the better of the two is used\).

- Positive factor: 291 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 291

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.21

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-175)

Columba High-Grade · gold

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.28
- Grade Unit: g/t
- Intercept: 5.5 m
- True Width: 1.21 m
- From: 445.5 m
- To: 451 m
- Intercept Depth: 445.5 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:445.5-451
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.28 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 1.5 g/t·m is below.

- Negative factor: 0.28 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.28

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.21

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-176)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 5.5 m
- True Width: 1.21 m
- From: 445.5 m
- To: 451 m
- Intercept Depth: 445.5 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:445.5-451
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.6 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.21

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-177)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1.9
- Grade Unit: %
- Intercept: 5.5 m
- True Width: 1.21 m
- From: 445.5 m
- To: 451 m
- Intercept Depth: 445.5 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:445.5-451
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 1.9 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 10.4 %·m is below.

- Negative factor: 1.9 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.9

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.21

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-178)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 46
- Grade Unit: g/t
- Intercept: 0.85 m
- True Width: 0.56 m
- From: 579.5 m
- To: 580.35 m
- Intercept Depth: 579.5 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl:579.5-580.35
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 46 g/t silver is weak against the default band \[500, 200, 100, 30\] g/t. Grade×width 39.1 g/t·m is below \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 46

Context: Incl

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.56

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-179)

Columba High-Grade · gold

#### Identity

- Hole ID: Incl
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.02
- Grade Unit: g/t
- Intercept: 0.85 m
- True Width: 0.56 m
- From: 579.5 m
- To: 580.35 m
- Intercept Depth: 579.5 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl:579.5-580.35
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 0.0 g/t·m is below.

- Negative factor: 0.02 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.02

Context: Incl

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.56

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-180)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 0.85 m
- True Width: 0.56 m
- From: 579.5 m
- To: 580.35 m
- Intercept Depth: 579.5 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl:579.5-580.35
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.2 %·m is below.

- Negative factor: 0.2 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.2

Context: Incl

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.56

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-181)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1.7
- Grade Unit: %
- Intercept: 0.85 m
- True Width: 0.56 m
- From: 579.5 m
- To: 580.35 m
- Intercept Depth: 579.5 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl:579.5-580.35
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 1.7 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 1.4 %·m is below.

- Negative factor: 1.7 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.7

Context: Incl

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.56

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-182)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 13
- Grade Unit: g/t
- Intercept: 1 m
- True Width: 0.66 m
- From: 658 m
- To: 659 m
- Intercept Depth: 658 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:658-659
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 13 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 13.0 g/t·m is below.

- Negative factor: 13 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 13

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.66

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-183)

Columba High-Grade · gold

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1.61
- Grade Unit: g/t
- Intercept: 1 m
- True Width: 0.66 m
- From: 658 m
- To: 659 m
- Intercept Depth: 658 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:658-659
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 1.61 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 1.6 g/t·m is below.

- Negative factor: 1.61 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.61

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.66

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-184)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.5
- Grade Unit: %
- Intercept: 1 m
- True Width: 0.66 m
- From: 658 m
- To: 659 m
- Intercept Depth: 658 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:658-659
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.5 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.5 %·m is below.

- Negative factor: 0.5 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.5

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.66

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-185)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1.4
- Grade Unit: %
- Intercept: 1 m
- True Width: 0.66 m
- From: 658 m
- To: 659 m
- Intercept Depth: 658 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:658-659
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 1.4 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 1.4 %·m is below.

- Negative factor: 1.4 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.4

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.66

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-186)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 56
- Grade Unit: g/t
- Intercept: 18.55 m
- True Width: 8.16 m
- From: 460 m
- To: 478.55 m
- Intercept Depth: 460 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:460-478.55
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 56 g/t silver is moderate against the default band \[500, 200, 100, 30\] g/t. Grade×width 1038.8 g/t·m is moderate \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 56

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 8.16

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-187)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 18.55 m
- True Width: 8.16 m
- From: 460 m
- To: 478.55 m
- Intercept Depth: 460 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:460-478.55
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 1.9 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 8.16

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-188)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 18.55 m
- True Width: 8.16 m
- From: 460 m
- To: 478.55 m
- Intercept Depth: 460 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:460-478.55
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.4 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 7.4 %·m is below.

- Negative factor: 0.4 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.4

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 8.16

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 246

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-189)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26- 246
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 13
- Grade Unit: g/t
- Intercept: 0.3 m
- True Width: 0.18 m
- From: 681.24 m
- To: 681.54 m
- Intercept Depth: 681.24 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 246:681.24-681.54
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 13 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 3.9 g/t·m is below.

- Negative factor: 13 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 13

Context: CDH-26- 246

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.18

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 246

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-190)

Columba High-Grade · gold

#### Identity

- Hole ID: CDH-26- 246
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.27
- Grade Unit: g/t
- Intercept: 0.3 m
- True Width: 0.18 m
- From: 681.24 m
- To: 681.54 m
- Intercept Depth: 681.24 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 246:681.24-681.54
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.27 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 0.1 g/t·m is below.

- Negative factor: 0.27 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.27

Context: CDH-26- 246

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.18

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 246

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-191)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26- 246
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 2.3
- Grade Unit: %
- Intercept: 0.3 m
- True Width: 0.18 m
- From: 681.24 m
- To: 681.54 m
- Intercept Depth: 681.24 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 246:681.24-681.54
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 2.3 % lead is weak against the default band \[10, 6, 3, 1\] %. Grade×width 0.7 %·m is below \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 2.3

Context: CDH-26- 246

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.18

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 246

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-192)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26- 246
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 6.9
- Grade Unit: %
- Intercept: 0.3 m
- True Width: 0.18 m
- From: 681.24 m
- To: 681.54 m
- Intercept Depth: 681.24 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 246:681.24-681.54
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 6.9 % zinc is moderate against the default band \[18, 10, 5, 2\] %. Grade×width 2.1 %·m is below \(grade alone is moderate; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 6.9

Context: CDH-26- 246

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.18

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-193)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 2
- Grade Unit: g/t
- Intercept: 66 m
- True Width: 39.6 m
- From: 723 m
- To: 789 m
- Intercept Depth: 723 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:723-789
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 2 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 132.0 g/t·m is below.

- Negative factor: 2 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 2

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 39.6

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-194)

Columba High-Grade · gold

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.02
- Grade Unit: g/t
- Intercept: 66 m
- True Width: 39.6 m
- From: 723 m
- To: 789 m
- Intercept Depth: 723 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:723-789
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 1.3 g/t·m is below.

- Negative factor: 0.02 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.02

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 39.6

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-195)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 66 m
- True Width: 39.6 m
- From: 723 m
- To: 789 m
- Intercept Depth: 723 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:723-789
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.4 % lead is weak against the default band \[10, 6, 3, 1\] %. Grade×width 26.4 %·m is weak \(grade alone is below; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.4

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 39.6

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-196)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.6
- Grade Unit: %
- Intercept: 66 m
- True Width: 39.6 m
- From: 723 m
- To: 789 m
- Intercept Depth: 723 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:723-789
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.6 % zinc is weak against the default band \[18, 10, 5, 2\] %. Grade×width 39.6 %·m is weak \(grade alone is below; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.6

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 39.6

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 247

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-197)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26- 247
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 102
- Grade Unit: g/t
- Intercept: 6.82 m
- True Width: 4.36 m
- From: 361 m
- To: 367.82 m
- Intercept Depth: 361 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 247:361-367.82
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 102 g/t silver is moderate against the default band \[500, 200, 100, 30\] g/t. Grade×width 695.6 g/t·m is weak \(grade alone is moderate; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 102

Context: CDH-26- 247

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 4.36

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 247

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-198)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26- 247
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 6.82 m
- True Width: 4.36 m
- From: 361 m
- To: 367.82 m
- Intercept Depth: 361 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 247:361-367.82
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.0 %·m is below.

- Negative factor: 0 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.0

Context: CDH-26- 247

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 4.36

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 247

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-199)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26- 247
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 6.82 m
- True Width: 4.36 m
- From: 361 m
- To: 367.82 m
- Intercept Depth: 361 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 247:361-367.82
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 1.4 %·m is below.

- Negative factor: 0.2 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.2

Context: CDH-26- 247

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 4.36

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-200)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 429
- Grade Unit: g/t
- Intercept: 0.58 m
- True Width: 0.37 m
- From: 366.92 m
- To: 367.5 m
- Intercept Depth: 366.92 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:366.92-367.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 429 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 248.8 g/t·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 429 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 429

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.37

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-201)

Columba High-Grade · gold

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.01
- Grade Unit: g/t
- Intercept: 0.58 m
- True Width: 0.37 m
- From: 366.92 m
- To: 367.5 m
- Intercept Depth: 366.92 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:366.92-367.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.01 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 0.0 g/t·m is below.

- Negative factor: 0.01 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.01

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.37

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-202)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.58 m
- True Width: 0.37 m
- From: 366.92 m
- To: 367.5 m
- Intercept Depth: 366.92 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:366.92-367.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.0 %·m is below.

- Negative factor: 0 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.0

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.37

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-203)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 0.58 m
- True Width: 0.37 m
- From: 366.92 m
- To: 367.5 m
- Intercept Depth: 366.92 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:366.92-367.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.2 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.2

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.37

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-204)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 40
- Grade Unit: g/t
- Intercept: 13.1 m
- True Width: 3.93 m
- From: 801 m
- To: 814.1 m
- Intercept Depth: 801 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:801-814.1
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 40 g/t silver is weak against the default band \[500, 200, 100, 30\] g/t. Grade×width 524.0 g/t·m is weak.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 40

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.93

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-205)

Columba High-Grade · gold

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.02
- Grade Unit: g/t
- Intercept: 13.1 m
- True Width: 3.93 m
- From: 801 m
- To: 814.1 m
- Intercept Depth: 801 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:801-814.1
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 0.3 g/t·m is below.

- Negative factor: 0.02 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.02

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.93

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-206)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 13.1 m
- True Width: 3.93 m
- From: 801 m
- To: 814.1 m
- Intercept Depth: 801 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:801-814.1
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 1.3 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.93

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-207)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 13.1 m
- True Width: 3.93 m
- From: 801 m
- To: 814.1 m
- Intercept Depth: 801 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:801-814.1
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 2.6 %·m is below.

- Negative factor: 0.2 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.2

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.93

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 248

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-208)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26- 248
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 288
- Grade Unit: g/t
- Intercept: 4 m
- True Width: 2 m
- From: 233 m
- To: 237 m
- Intercept Depth: 233 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 248:233-237
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 288 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 1152.0 g/t·m is moderate \(grade alone is strong; the better of the two is used\).

- Positive factor: 288 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 288

Context: CDH-26- 248

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 248

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-209)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26- 248
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 4 m
- True Width: 2 m
- From: 233 m
- To: 237 m
- Intercept Depth: 233 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 248:233-237
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.4 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: CDH-26- 248

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 248

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-210)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26- 248
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 4 m
- True Width: 2 m
- From: 233 m
- To: 237 m
- Intercept Depth: 233 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 248:233-237
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.4 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 1.6 %·m is below.

- Negative factor: 0.4 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.4

Context: CDH-26- 248

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-211)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 496
- Grade Unit: g/t
- Intercept: 2 m
- True Width: 1 m
- From: 234 m
- To: 236 m
- Intercept Depth: 234 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:234-236
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 496 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 992.0 g/t·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 496 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 496

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-212)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 2 m
- True Width: 1 m
- From: 234 m
- To: 236 m
- Intercept Depth: 234 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:234-236
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.4 %·m is below.

- Negative factor: 0.2 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.2

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-213)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.7
- Grade Unit: %
- Intercept: 2 m
- True Width: 1 m
- From: 234 m
- To: 236 m
- Intercept Depth: 234 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:234-236
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.7 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 1.4 %·m is below.

- Negative factor: 0.7 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.7

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-214)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 703
- Grade Unit: g/t
- Intercept: 1 m
- True Width: 0.5 m
- From: 235 m
- To: 236 m
- Intercept Depth: 235 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:235-236
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 703 g/t silver is exceptional against the default band \[500, 200, 100, 30\] g/t. Grade×width 703.0 g/t·m is weak \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 703 g/t silver is exceptional on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 703

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.5

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-215)

Columba High-Grade · gold

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.01
- Grade Unit: g/t
- Intercept: 1 m
- True Width: 0.5 m
- From: 235 m
- To: 236 m
- Intercept Depth: 235 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:235-236
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.01 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 0.0 g/t·m is below.

- Negative factor: 0.01 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.01

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.5

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-216)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.3
- Grade Unit: %
- Intercept: 1 m
- True Width: 0.5 m
- From: 235 m
- To: 236 m
- Intercept Depth: 235 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:235-236
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.3 %·m is below.

- Negative factor: 0.3 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.3

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.5

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-217)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1.2
- Grade Unit: %
- Intercept: 1 m
- True Width: 0.5 m
- From: 235 m
- To: 236 m
- Intercept Depth: 235 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:235-236
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 1.2 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 1.2 %·m is below.

- Negative factor: 1.2 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.2

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.5

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 249

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-218)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26- 249
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 39
- Grade Unit: g/t
- Intercept: 30.4 m
- True Width: 13.68 m
- From: 459.6 m
- To: 490 m
- Intercept Depth: 459.6 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 249:459.6-490
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 39 g/t silver is moderate against the default band \[500, 200, 100, 30\] g/t. Grade×width 1185.6 g/t·m is moderate \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 39

Context: CDH-26- 249

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 13.68

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 249

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-219)

Columba High-Grade · gold

#### Identity

- Hole ID: CDH-26- 249
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.04
- Grade Unit: g/t
- Intercept: 30.4 m
- True Width: 13.68 m
- From: 459.6 m
- To: 490 m
- Intercept Depth: 459.6 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 249:459.6-490
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.04 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 1.2 g/t·m is below.

- Negative factor: 0.04 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.04

Context: CDH-26- 249

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 13.68

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 249

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-220)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26- 249
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 30.4 m
- True Width: 13.68 m
- From: 459.6 m
- To: 490 m
- Intercept Depth: 459.6 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 249:459.6-490
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 3.0 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: CDH-26- 249

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 13.68

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 249

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-221)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26- 249
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.5
- Grade Unit: %
- Intercept: 30.4 m
- True Width: 13.68 m
- From: 459.6 m
- To: 490 m
- Intercept Depth: 459.6 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 249:459.6-490
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.5 % zinc is weak against the default band \[18, 10, 5, 2\] %. Grade×width 15.2 %·m is weak \(grade alone is below; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.5

Context: CDH-26- 249

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 13.68

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-222)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 43
- Grade Unit: g/t
- Intercept: 27.6 m
- True Width: 12.42 m
- From: 462.4 m
- To: 490 m
- Intercept Depth: 462.4 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:462.4-490
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 43 g/t silver is moderate against the default band \[500, 200, 100, 30\] g/t. Grade×width 1186.8 g/t·m is moderate \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 43

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 12.42

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-223)

Columba High-Grade · gold

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.04
- Grade Unit: g/t
- Intercept: 27.6 m
- True Width: 12.42 m
- From: 462.4 m
- To: 490 m
- Intercept Depth: 462.4 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:462.4-490
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.04 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 1.1 g/t·m is below.

- Negative factor: 0.04 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.04

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 12.42

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-224)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 27.6 m
- True Width: 12.42 m
- From: 462.4 m
- To: 490 m
- Intercept Depth: 462.4 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:462.4-490
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 2.8 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 12.42

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-225)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.5
- Grade Unit: %
- Intercept: 27.6 m
- True Width: 12.42 m
- From: 462.4 m
- To: 490 m
- Intercept Depth: 462.4 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:462.4-490
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.5 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 13.8 %·m is below.

- Negative factor: 0.5 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.5

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 12.42

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 250

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-226)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26- 250
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 102
- Grade Unit: g/t
- Intercept: 1.1 m
- True Width: 0.47 m
- From: 190.15 m
- To: 191.25 m
- Intercept Depth: 190.15 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 250:190.15-191.25
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 102 g/t silver is moderate against the default band \[500, 200, 100, 30\] g/t. Grade×width 112.2 g/t·m is below \(grade alone is moderate; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 102

Context: CDH-26- 250

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.47

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 250

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-227)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26- 250
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 1.1 m
- True Width: 0.47 m
- From: 190.15 m
- To: 191.25 m
- Intercept Depth: 190.15 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 250:190.15-191.25
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: CDH-26- 250

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.47

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 250

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-228)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26- 250
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 1.1 m
- True Width: 0.47 m
- From: 190.15 m
- To: 191.25 m
- Intercept Depth: 190.15 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 250:190.15-191.25
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.1 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: CDH-26- 250

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.47

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-229)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 231
- Grade Unit: g/t
- Intercept: 0.75 m
- True Width: 0.39 m
- From: 287 m
- To: 287.75 m
- Intercept Depth: 287 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:287-287.75
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 231 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 173.3 g/t·m is below \(grade alone is strong; the better of the two is used\).

- Positive factor: 231 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 231

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.39

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-230)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.75 m
- True Width: 0.39 m
- From: 287 m
- To: 287.75 m
- Intercept Depth: 287 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:287-287.75
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.0 %·m is below.

- Negative factor: 0 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.0

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.39

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-231)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 0.75 m
- True Width: 0.39 m
- From: 287 m
- To: 287.75 m
- Intercept Depth: 287 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:287-287.75
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.1 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.39

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-232)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 335
- Grade Unit: g/t
- Intercept: 0.7 m
- True Width: 0.36 m
- From: 356.3 m
- To: 357 m
- Intercept Depth: 356.3 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:356.3-357
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 335 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 234.5 g/t·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 335 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 335

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.36

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-233)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 0.7 m
- True Width: 0.36 m
- From: 356.3 m
- To: 357 m
- Intercept Depth: 356.3 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:356.3-357
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.0 %·m is below.

- Negative factor: 0 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.0

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.36

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-234)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 0.7 m
- True Width: 0.36 m
- From: 356.3 m
- To: 357 m
- Intercept Depth: 356.3 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:356.3-357
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.1 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.36

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-235)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 226
- Grade Unit: g/t
- Intercept: 0.45 m
- True Width: 0.23 m
- From: 374 m
- To: 374.45 m
- Intercept Depth: 374 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:374-374.45
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 226 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 101.7 g/t·m is below \(grade alone is strong; the better of the two is used\).

- Positive factor: 226 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 226

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.23

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-236)

Columba High-Grade · gold

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.01
- Grade Unit: g/t
- Intercept: 0.45 m
- True Width: 0.23 m
- From: 374 m
- To: 374.45 m
- Intercept Depth: 374 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:374-374.45
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.01 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 0.0 g/t·m is below.

- Negative factor: 0.01 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.01

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.23

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-237)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 0.45 m
- True Width: 0.23 m
- From: 374 m
- To: 374.45 m
- Intercept Depth: 374 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:374-374.45
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.2 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.2

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.23

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-238)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.8
- Grade Unit: %
- Intercept: 0.45 m
- True Width: 0.23 m
- From: 374 m
- To: 374.45 m
- Intercept Depth: 374 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:374-374.45
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.8 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.4 %·m is below.

- Negative factor: 0.8 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.8

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.23

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-239)

Columba High-Grade · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 84
- Grade Unit: g/t
- Intercept: 12.7 m
- True Width: 6.6 m
- From: 412.8 m
- To: 425.5 m
- Intercept Depth: 412.8 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:412.8-425.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-06-17T00:00:00.000Z

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 84 g/t silver is moderate against the default band \[500, 200, 100, 30\] g/t. Grade×width 1066.8 g/t·m is moderate \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 84

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 6.6

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-240)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 12.7 m
- True Width: 6.6 m
- From: 412.8 m
- To: 425.5 m
- Intercept Depth: 412.8 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:412.8-425.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.0 %·m is below.

- Negative factor: 0 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.0

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 6.6

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-241)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 12.7 m
- True Width: 6.6 m
- From: 412.8 m
- To: 425.5 m
- Intercept Depth: 412.8 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:412.8-425.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 1.3 %·m is below.

- Negative factor: 0.1 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 6.6

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-242)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 400
- Grade Unit: g/t
- Intercept: 0.69 m
- True Width: 0.36 m
- From: 416 m
- To: 416.69 m
- Intercept Depth: 416 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:416-416.69
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 400 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 276.0 g/t·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 400 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 400

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.36

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-243)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 0.69 m
- True Width: 0.36 m
- From: 416 m
- To: 416.69 m
- Intercept Depth: 416 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:416-416.69
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.36

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-244)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.3
- Grade Unit: %
- Intercept: 0.69 m
- True Width: 0.36 m
- From: 416 m
- To: 416.69 m
- Intercept Depth: 416 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:416-416.69
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.2 %·m is below.

- Negative factor: 0.3 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.3

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.36

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-245)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 196
- Grade Unit: g/t
- Intercept: 1.5 m
- True Width: 0.78 m
- From: 424 m
- To: 425.5 m
- Intercept Depth: 424 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:424-425.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 196 g/t silver is moderate against the default band \[500, 200, 100, 30\] g/t. Grade×width 294.0 g/t·m is weak \(grade alone is moderate; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 196

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.78

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-246)

Columba High-Grade · gold

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.02
- Grade Unit: g/t
- Intercept: 1.5 m
- True Width: 0.78 m
- From: 424 m
- To: 425.5 m
- Intercept Depth: 424 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:424-425.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 0.0 g/t·m is below.

- Negative factor: 0.02 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.02

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.78

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-247)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 1.5 m
- True Width: 0.78 m
- From: 424 m
- To: 425.5 m
- Intercept Depth: 424 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:424-425.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.2 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.78

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-248)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.3
- Grade Unit: %
- Intercept: 1.5 m
- True Width: 0.78 m
- From: 424 m
- To: 425.5 m
- Intercept Depth: 424 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:424-425.5
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.4 %·m is below.

- Negative factor: 0.3 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.3

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.78

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-249)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 83
- Grade Unit: g/t
- Intercept: 22 m
- True Width: 11.44 m
- From: 450 m
- To: 472 m
- Intercept Depth: 450 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:450-472
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 83 g/t silver is moderate against the default band \[500, 200, 100, 30\] g/t. Grade×width 1826.0 g/t·m is moderate \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 83

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 11.44

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-250)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 22 m
- True Width: 11.44 m
- From: 450 m
- To: 472 m
- Intercept Depth: 450 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:450-472
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.0 %·m is below.

- Negative factor: 0 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.0

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 11.44

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-251)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 22 m
- True Width: 11.44 m
- From: 450 m
- To: 472 m
- Intercept Depth: 450 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:450-472
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 4.4 %·m is below.

- Negative factor: 0.2 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.2

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 11.44

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-252)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 265
- Grade Unit: g/t
- Intercept: 2 m
- True Width: 1.04 m
- From: 453 m
- To: 455 m
- Intercept Depth: 453 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:453-455
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 265 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 530.0 g/t·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 265 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 265

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.04

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-253)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0
- Grade Unit: %
- Intercept: 2 m
- True Width: 1.04 m
- From: 453 m
- To: 455 m
- Intercept Depth: 453 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:453-455
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.0 %·m is below.

- Negative factor: 0 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.0

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.04

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-254)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 2 m
- True Width: 1.04 m
- From: 453 m
- To: 455 m
- Intercept Depth: 453 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:453-455
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.4 %·m is below.

- Negative factor: 0.2 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.2

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.04

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 251

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-255)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26- 251
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 694
- Grade Unit: g/t
- Intercept: 0.4 m
- True Width: 0.19 m
- From: 410 m
- To: 410.4 m
- Intercept Depth: 410 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 251:410-410.4
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 694 g/t silver is exceptional against the default band \[500, 200, 100, 30\] g/t. Grade×width 277.6 g/t·m is weak \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 694 g/t silver is exceptional on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 694

Context: CDH-26- 251

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.19

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 251

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-256)

Columba High-Grade · gold

#### Identity

- Hole ID: CDH-26- 251
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.02
- Grade Unit: g/t
- Intercept: 0.4 m
- True Width: 0.19 m
- From: 410 m
- To: 410.4 m
- Intercept Depth: 410 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 251:410-410.4
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 0.0 g/t·m is below.

- Negative factor: 0.02 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.02

Context: CDH-26- 251

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.19

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 251

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-257)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26- 251
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.9
- Grade Unit: %
- Intercept: 0.4 m
- True Width: 0.19 m
- From: 410 m
- To: 410.4 m
- Intercept Depth: 410 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 251:410-410.4
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.9 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.4 %·m is below.

- Negative factor: 0.9 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.9

Context: CDH-26- 251

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.19

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 251

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-258)

Columba High-Grade · zinc

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: CDH-26- 251
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 4.1
- Grade Unit: %
- Intercept: 0.4 m
- True Width: 0.19 m
- From: 410 m
- To: 410.4 m
- Intercept Depth: 410 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 251:410-410.4
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2025-06-17T00:00:00.000Z

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 4.1 % zinc is weak against the default band \[18, 10, 5, 2\] %. Grade×width 1.6 %·m is below \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 4.1

Context: CDH-26- 251

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.19

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-259)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 96
- Grade Unit: g/t
- Intercept: 10 m
- True Width: 4.7 m
- From: 422 m
- To: 432 m
- Intercept Depth: 422 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:422-432
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 96 g/t silver is weak against the default band \[500, 200, 100, 30\] g/t. Grade×width 960.0 g/t·m is weak.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 96

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 4.7

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-260)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 10 m
- True Width: 4.7 m
- From: 422 m
- To: 432 m
- Intercept Depth: 422 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:422-432
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 1.0 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 4.7

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-261)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.3
- Grade Unit: %
- Intercept: 10 m
- True Width: 4.7 m
- From: 422 m
- To: 432 m
- Intercept Depth: 422 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:422-432
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 3.0 %·m is below.

- Negative factor: 0.3 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.3

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 4.7

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-262)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 520
- Grade Unit: g/t
- Intercept: 0.96 m
- True Width: 0.45 m
- From: 424.2 m
- To: 425.16 m
- Intercept Depth: 424.2 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:424.2-425.16
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 520 g/t silver is exceptional against the default band \[500, 200, 100, 30\] g/t. Grade×width 499.2 g/t·m is weak \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 520 g/t silver is exceptional on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 520

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.45

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-263)

Columba High-Grade · gold

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.01
- Grade Unit: g/t
- Intercept: 0.96 m
- True Width: 0.45 m
- From: 424.2 m
- To: 425.16 m
- Intercept Depth: 424.2 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:424.2-425.16
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.01 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 0.0 g/t·m is below.

- Negative factor: 0.01 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.01

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.45

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-264)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.6
- Grade Unit: %
- Intercept: 0.96 m
- True Width: 0.45 m
- From: 424.2 m
- To: 425.16 m
- Intercept Depth: 424.2 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:424.2-425.16
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.6 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.6 %·m is below.

- Negative factor: 0.6 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.6

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.45

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-265)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1.5
- Grade Unit: %
- Intercept: 0.96 m
- True Width: 0.45 m
- From: 424.2 m
- To: 425.16 m
- Intercept Depth: 424.2 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:424.2-425.16
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 1.5 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 1.4 %·m is below.

- Negative factor: 1.5 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.5

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.45

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-266)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 327
- Grade Unit: g/t
- Intercept: 1.8 m
- True Width: 0.85 m
- From: 424.2 m
- To: 426 m
- Intercept Depth: 424.2 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:424.2-426
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 327 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 588.6 g/t·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 327 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 327

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.85

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-267)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.3
- Grade Unit: %
- Intercept: 1.8 m
- True Width: 0.85 m
- From: 424.2 m
- To: 426 m
- Intercept Depth: 424.2 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:424.2-426
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.5 %·m is below.

- Negative factor: 0.3 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.3

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.85

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-268)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.9
- Grade Unit: %
- Intercept: 1.8 m
- True Width: 0.85 m
- From: 424.2 m
- To: 426 m
- Intercept Depth: 424.2 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:424.2-426
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.9 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 1.6 %·m is below.

- Negative factor: 0.9 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.9

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.85

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-269)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 230
- Grade Unit: g/t
- Intercept: 3.79 m
- True Width: 1.78 m
- From: 439.21 m
- To: 443 m
- Intercept Depth: 439.21 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:439.21-443
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 230 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 871.7 g/t·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 230 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 230

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.78

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-270)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 3.79 m
- True Width: 1.78 m
- From: 439.21 m
- To: 443 m
- Intercept Depth: 439.21 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:439.21-443
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.4 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.78

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-271)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.5
- Grade Unit: %
- Intercept: 3.79 m
- True Width: 1.78 m
- From: 439.21 m
- To: 443 m
- Intercept Depth: 439.21 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:439.21-443
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.5 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 1.9 %·m is below.

- Negative factor: 0.5 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.5

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.78

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-272)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 276
- Grade Unit: g/t
- Intercept: 3 m
- True Width: 1.41 m
- From: 440 m
- To: 443 m
- Intercept Depth: 440 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:440-443
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 276 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 828.0 g/t·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 276 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 276

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.41

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-273)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 3 m
- True Width: 1.41 m
- From: 440 m
- To: 443 m
- Intercept Depth: 440 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:440-443
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.3 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.41

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-274)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.5
- Grade Unit: %
- Intercept: 3 m
- True Width: 1.41 m
- From: 440 m
- To: 443 m
- Intercept Depth: 440 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:440-443
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.5 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 1.5 %·m is below.

- Negative factor: 0.5 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.5

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.41

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-275)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 816
- Grade Unit: g/t
- Intercept: 0.4 m
- True Width: 0.19 m
- From: 441.16 m
- To: 441.56 m
- Intercept Depth: 441.16 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:441.16-441.56
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 816 g/t silver is exceptional against the default band \[500, 200, 100, 30\] g/t. Grade×width 326.4 g/t·m is weak \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 816 g/t silver is exceptional on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 816

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.19

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-276)

Columba High-Grade · gold

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: gold
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.01
- Grade Unit: g/t
- Intercept: 0.4 m
- True Width: 0.19 m
- From: 441.16 m
- To: 441.56 m
- Intercept Depth: 441.16 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:441.16-441.56
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.01 g/t gold is below against the underground mining band \[15, 7, 4, 2.5\] g/t. Grade×width 0.0 g/t·m is below.

- Negative factor: 0.01 g/t gold is below the weak threshold \(2.5 g/t\) on the underground mining band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.01

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.19

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-277)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.3
- Grade Unit: %
- Intercept: 0.4 m
- True Width: 0.19 m
- From: 441.16 m
- To: 441.56 m
- Intercept Depth: 441.16 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:441.16-441.56
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.3 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.3

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.19

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-278)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 1
- Grade Unit: %
- Intercept: 0.4 m
- True Width: 0.19 m
- From: 441.16 m
- To: 441.56 m
- Intercept Depth: 441.16 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:441.16-441.56
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 1 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.4 %·m is below.

- Negative factor: 1 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.0

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 0.19

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 253

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-279)

Columba High-Grade · silver

#### Identity

- Hole ID: CDH-26- 253
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 274
- Grade Unit: g/t
- Intercept: 6.28 m
- True Width: 3.33 m
- From: 422 m
- To: 428.28 m
- Intercept Depth: 422 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 253:422-428.28
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 274 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 1720.7 g/t·m is moderate \(grade alone is strong; the better of the two is used\).

- Positive factor: 274 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 274

Context: CDH-26- 253

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.33

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 253

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-280)

Columba High-Grade · lead

#### Identity

- Hole ID: CDH-26- 253
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 6.28 m
- True Width: 3.33 m
- From: 422 m
- To: 428.28 m
- Intercept Depth: 422 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 253:422-428.28
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.6 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: CDH-26- 253

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.33

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### CDH-26- 253

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-281)

Columba High-Grade · zinc

#### Identity

- Hole ID: CDH-26- 253
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 6.28 m
- True Width: 3.33 m
- From: 422 m
- To: 428.28 m
- Intercept Depth: 422 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: CDH-26- 253:422-428.28
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 1.3 %·m is below.

- Negative factor: 0.2 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.2

Context: CDH-26- 253

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 3.33

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-282)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 428
- Grade Unit: g/t
- Intercept: 3.3 m
- True Width: 1.75 m
- From: 423.7 m
- To: 427 m
- Intercept Depth: 423.7 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:423.7-427
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 428 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 1412.4 g/t·m is moderate \(grade alone is strong; the better of the two is used\).

- Positive factor: 428 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 428

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.75

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-283)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 3.3 m
- True Width: 1.75 m
- From: 423.7 m
- To: 427 m
- Intercept Depth: 423.7 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:423.7-427
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.3 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.75

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-284)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 3.3 m
- True Width: 1.75 m
- From: 423.7 m
- To: 427 m
- Intercept Depth: 423.7 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:423.7-427
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.7 %·m is below.

- Negative factor: 0.2 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.2

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.75

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-285)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 509
- Grade Unit: g/t
- Intercept: 2.4 m
- True Width: 1.27 m
- From: 424.6 m
- To: 427 m
- Intercept Depth: 424.6 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:424.6-427
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 509 g/t silver is exceptional against the default band \[500, 200, 100, 30\] g/t. Grade×width 1221.6 g/t·m is moderate \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 509 g/t silver is exceptional on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 509

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.27

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-286)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 2.4 m
- True Width: 1.27 m
- From: 424.6 m
- To: 427 m
- Intercept Depth: 424.6 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:424.6-427
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.2 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.27

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-287)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 2.4 m
- True Width: 1.27 m
- From: 424.6 m
- To: 427 m
- Intercept Depth: 424.6 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:424.6-427
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.5 %·m is below.

- Negative factor: 0.2 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.2

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 1.27

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-288)

Columba High-Grade · silver

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 94
- Grade Unit: g/t
- Intercept: 31 m
- True Width: 16.43 m
- From: 431 m
- To: 462 m
- Intercept Depth: 431 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:431-462
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 94 g/t silver is moderate against the default band \[500, 200, 100, 30\] g/t. Grade×width 2914.0 g/t·m is moderate \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 94

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 16.43

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-289)

Columba High-Grade · lead

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 31 m
- True Width: 16.43 m
- From: 431 m
- To: 462 m
- Intercept Depth: 431 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:431-462
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 3.1 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 16.43

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### AND

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-290)

Columba High-Grade · zinc

#### Identity

- Hole ID: AND
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 31 m
- True Width: 16.43 m
- From: 431 m
- To: 462 m
- Intercept Depth: 431 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: AND:431-462
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 6.2 %·m is below.

- Negative factor: 0.2 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.2

Context: AND

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 16.43

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-291)

Columba High-Grade · silver

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: silver
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 253
- Grade Unit: g/t
- Intercept: 4 m
- True Width: 2.12 m
- From: 448 m
- To: 452 m
- Intercept Depth: 448 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:448-452
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 253 g/t silver is strong against the default band \[500, 200, 100, 30\] g/t. Grade×width 1012.0 g/t·m is moderate \(grade alone is strong; the better of the two is used\).

- Positive factor: 253 g/t silver is strong on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 253

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.12

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-292)

Columba High-Grade · lead

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: lead
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 4 m
- True Width: 2.12 m
- From: 448 m
- To: 452 m
- Intercept Depth: 448 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:448-452
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.4 %·m is below.

- Negative factor: 0.1 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.1

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.12

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

### Incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/kootenay-reports-drill-results-as-60-000-meter-columba-program-advances--8bb7c6b5-49ce-4aa2-8ee2-4c673d494967#fact-drill-facts-293)

Columba High-Grade · zinc

#### Identity

- Hole ID: Incl.
- Project: Columba High-Grade
- Commodity: zinc
- Region: mexico
- Reported Region: mexico
- Ticker: KTN

#### Geometry

- Grade: 0.5
- Grade Unit: %
- Intercept: 4 m
- True Width: 2.12 m
- From: 448 m
- To: 452 m
- Intercept Depth: 448 m

#### Classification

- Deposit Type: epithermal
- Sample Type: drill
- Group ID: Incl.:448-452
- Mining Method: underground

#### QA/QC

- Laboratory: ALS Minerals and ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-09-16T00:00:00.000Z

Reasoning: Expanded from assay table. 0.5 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 2.0 %·m is below.

- Negative factor: 0.5 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.5

Context: Incl.

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true\_width\_m is 2.12

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

## How Atlas produces this analysis

Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.