# Pampa Medina Continues to Deliver Extraordinary Cu-Ag Grade-Widths - Drilling Intersects 216m of 1.0% Cu and 7.2g/t Ag Including 62m of 2.2% Cu and 21.5g/t Ag from SPRD-15

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f

Original source: https://orestocks.com/company/MARI.TO/press-releases/5254243640586196

Publisher: orestocks

Original announcement: 2026-09-08T10:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Marimaca Copper Corp.

- Ticker: MARI.TO

- Exchange: Unavailable

- Region: Chile's Antofagasta Region

- Primary commodity: Copper

- Secondary commodities: Silver

- Document categories: Drill results

- Extracted: 2026-09-08 11:11:39 UTC

Narrative sentiment: 0.90 · Bullish

## Minestarters Atlas summary

Marimaca Copper Corp. announced exceptional drill results from its Pampa Medina deposit in Chile, highlighted by hole SPRD-15 intersecting 216m of 0.96% Cu and 7.2g/t Ag, including a bonanza intercept of 62m of 2.20% Cu and 21.5g/t Ag. The drilling program successfully extended the high-grade copper-silver mineralization beyond the central corridor and confirmed strong continuity, strengthening the view of a large, high-grade system. The company plans further exploration work, including geophysical surveys and additional drilling, to test extensions to the north and west.

Reasoning: The drill results from Pampa Medina show exceptional copper and silver grades over significant widths, with SPRD-15 delivering a bonanza intercept. The program successfully extended mineralization in multiple directions and confirmed continuity, indicating a large, high-grade system, despite some technical challenges in deeper scout drilling.

- Positive factor: Exceptional copper and silver grades over significant widths, particularly in SPRD-15, indicating a bonanza intercept.

- Positive factor: Demonstrated continuity of high-grade mineralization both horizontally and vertically within the central zone.

- Positive factor: Successful step-out drilling extending mineralization beyond the central corridor, suggesting a broader system.

- Positive factor: True width estimation provided, enhancing confidence in the reported intercept lengths.

- Positive factor: Comprehensive QA/QC program disclosed, including QP/CP sign-off and accredited lab procedures.

- Negative factor: Some scout holes did not intersect the target sedimentary horizon at expected depths, requiring further diamond drilling.

- Negative factor: RC drilling limitations at depth impacted some holes, necessitating diamond tails.

Facts used in scoring: 98

## Classification and evidence

**Mill Route**

Polarity: neutral

Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\).

Why it applies: the document describes a mill\_cil route \("CIL"\)

## Extracted facts

Stored fact records: 98. Some facts used in scoring do not have a stored record.

## Drill Results (98)

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-0)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.57
- Grade Unit: %
- Intercept: 4 m
- True Width: 3.2 m
- From: 348 m
- To: 352 m
- Hole Depth: 918 m
- Intercept Depth: 348 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:348-352
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a narrow, moderate-grade copper intercept with no silver, making it less significant compared to other results in the release.

- Negative factor: Grade is moderate for copper in a manto deposit.

- Negative factor: Silver is below detection limit.

Evidence · table

> 0.57

Context: 4

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 3.2

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-1)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.96
- Grade Unit: %
- Intercept: 216 m
- True Width: 172.8 m
- From: 466 m
- To: 682 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:466-682
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a very wide intercept with a strong copper grade, indicating significant mineralization and continuity.

- Positive factor: Exceptional width for a manto deposit.

- Positive factor: Strong copper grade for a manto deposit.

- Positive factor: Significant contained metal \(grade x width\).

Evidence · table

> 0.96

Context: 216

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 172.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-2)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 7.2
- Grade Unit: g/t
- Intercept: 216 m
- True Width: 172.8 m
- From: 466 m
- To: 682 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:466-682
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The wide intercept also carries a strong silver grade, adding significant value to the copper mineralization.

- Positive factor: Significant silver grade over a very wide interval, indicating a valuable byproduct.

Evidence · table

> 7.2

Context: 216

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 172.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-3)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.63
- Grade Unit: %
- Intercept: 102 m
- True Width: 81.6 m
- From: 466 m
- To: 568 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:466-568
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a wide intercept with a moderate copper grade, contributing to the overall mineralization.

- Positive factor: Very wide intercept, indicating good continuity.

Evidence · table

> 0.63

Context: 102

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 81.6

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-4)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 2.1
- Grade Unit: g/t
- Intercept: 102 m
- True Width: 81.6 m
- From: 466 m
- To: 568 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:466-568
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: While wide, the silver grade is not particularly high, making it a less impactful byproduct.

- Positive factor: Wide intercept, indicating good continuity.

- Negative factor: Silver grade is relatively low.

Evidence · table

> 2.1

Context: 102

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 81.6

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-5)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.76
- Grade Unit: %
- Intercept: 24 m
- True Width: 19.2 m
- From: 466 m
- To: 490 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:466-490
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a solid copper grade over a good width, contributing positively to the overall resource potential.

- Positive factor: Good width and moderate copper grade.

Evidence · table

> 0.76

Context: 24

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 19.2

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-6)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 3.8
- Grade Unit: g/t
- Intercept: 24 m
- True Width: 19.2 m
- From: 466 m
- To: 490 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:466-490
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is not particularly high, offering limited additional value.

- Negative factor: Silver grade is relatively low.

Evidence · table

> 3.8

Context: 24

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 19.2

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-7)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.96
- Grade Unit: %
- Intercept: 40 m
- True Width: 32 m
- From: 504 m
- To: 544 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:504-544
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a strong copper grade over a good width, contributing positively to the overall mineralization.

- Positive factor: Good width and strong copper grade.

Evidence · table

> 0.96

Context: 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 32

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-8)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 2.9
- Grade Unit: g/t
- Intercept: 40 m
- True Width: 32 m
- From: 504 m
- To: 544 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:504-544
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is not particularly high, offering limited additional value.

- Negative factor: Silver grade is relatively low.

Evidence · table

> 2.9

Context: 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 32

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-9)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.25
- Grade Unit: %
- Intercept: 20 m
- True Width: 16 m
- From: 504 m
- To: 524 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:504-524
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a strong copper grade over a good width, contributing positively to the overall mineralization.

- Positive factor: Good width and strong copper grade.

Evidence · table

> 1.25

Context: 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 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-10)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 5.3
- Grade Unit: g/t
- Intercept: 20 m
- True Width: 16 m
- From: 504 m
- To: 524 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:504-524
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is moderate, providing additional value to the copper mineralization.

- Positive factor: Moderate silver grade over a good width.

Evidence · table

> 5.3

Context: 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 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-11)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 2
- Grade Unit: %
- Intercept: 6 m
- True Width: 4.8 m
- From: 506 m
- To: 512 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:506-512
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This narrow interval shows a very high copper grade, indicating a high-grade core within the broader mineralization.

- Positive factor: High copper grade over a narrow but significant interval.

Evidence · table

> 2.00

Context: 6

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 4.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-12)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 12
- Grade Unit: g/t
- Intercept: 6 m
- True Width: 4.8 m
- From: 506 m
- To: 512 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:506-512
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This narrow interval shows a strong silver grade, adding significant byproduct value.

- Positive factor: Strong silver grade over a narrow but significant interval.

Evidence · table

> 12.0

Context: 6

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 4.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-13)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.09
- Grade Unit: %
- Intercept: 10 m
- True Width: 8 m
- From: 534 m
- To: 544 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:534-544
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a strong copper grade over a good width, contributing positively to the overall mineralization.

- Positive factor: Good width and strong copper grade.

Evidence · table

> 1.09

Context: 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 8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-14)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.8
- Grade Unit: g/t
- Intercept: 10 m
- True Width: 8 m
- From: 534 m
- To: 544 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:534-544
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is very low, offering minimal additional value.

- Negative factor: Silver grade is very low.

Evidence · table

> 0.8

Context: 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 8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-15)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.72
- Grade Unit: %
- Intercept: 82 m
- True Width: 65.6 m
- From: 600 m
- To: 682 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:600-682
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a very wide intercept with an exceptional copper grade, representing a significant high-grade zone.

- Positive factor: Exceptional copper grade over a very wide interval, indicating a bonanza intercept.

- Positive factor: Significant contained metal \(grade x width\).

Evidence · table

> 1.72

Context: 82

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 65.6

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-16)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 16.3
- Grade Unit: g/t
- Intercept: 82 m
- True Width: 65.6 m
- From: 600 m
- To: 682 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:600-682
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This very wide intercept also carries a strong silver grade, adding significant value to the copper mineralization.

- Positive factor: Strong silver grade over a very wide interval, indicating significant byproduct value.

Evidence · table

> 16.3

Context: 82

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 65.6

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-17)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 2.2
- Grade Unit: %
- Intercept: 62 m
- True Width: 49.6 m
- From: 602 m
- To: 664 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:602-664
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a very wide intercept with an exceptional copper grade, representing a significant high-grade zone.

- Positive factor: Exceptional copper grade over a very wide interval, indicating a bonanza intercept.

- Positive factor: Significant contained metal \(grade x width\).

Evidence · table

> 2.20

Context: 62

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 49.6

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-18)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 21.5
- Grade Unit: g/t
- Intercept: 62 m
- True Width: 49.6 m
- From: 602 m
- To: 664 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:602-664
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This very wide intercept also carries a strong silver grade, adding significant value to the copper mineralization.

- Positive factor: Strong silver grade over a very wide interval, indicating significant byproduct value.

Evidence · table

> 21.5

Context: 62

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 49.6

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-19)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 2.42
- Grade Unit: %
- Intercept: 50 m
- True Width: 40 m
- From: 606 m
- To: 656 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:606-656
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a very wide intercept with an exceptional copper grade, representing a significant high-grade zone.

- Positive factor: Exceptional copper grade over a very wide interval, indicating a bonanza intercept.

- Positive factor: Significant contained metal \(grade x width\).

Evidence · table

> 2.42

Context: 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 40

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-20)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 24
- Grade Unit: g/t
- Intercept: 50 m
- True Width: 40 m
- From: 606 m
- To: 656 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:606-656
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This very wide intercept also carries a strong silver grade, adding significant value to the copper mineralization.

- Positive factor: Strong silver grade over a very wide interval, indicating significant byproduct value.

Evidence · table

> 24.0

Context: 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 40

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-21)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 3.05
- Grade Unit: %
- Intercept: 14 m
- True Width: 11.2 m
- From: 606 m
- To: 620 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:606-620
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a significant intercept with an exceptional copper grade, representing a high-grade core.

- Positive factor: Exceptional copper grade over a significant width, indicating a bonanza intercept.

- Positive factor: Significant contained metal \(grade x width\).

Evidence · table

> 3.05

Context: 14

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 11.2

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-22)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 26.7
- Grade Unit: g/t
- Intercept: 14 m
- True Width: 11.2 m
- From: 606 m
- To: 620 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:606-620
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This significant intercept also carries a strong silver grade, adding significant value to the copper mineralization.

- Positive factor: Strong silver grade over a significant width, indicating significant byproduct value.

Evidence · table

> 26.7

Context: 14

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 11.2

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-23)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 3.25
- Grade Unit: %
- Intercept: 12 m
- True Width: 9.6 m
- From: 632 m
- To: 644 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:632-644
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a significant intercept with an exceptional copper grade, representing a high-grade core.

- Positive factor: Exceptional copper grade over a significant width, indicating a bonanza intercept.

- Positive factor: Significant contained metal \(grade x width\).

Evidence · table

> 3.25

Context: 12

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 9.6

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-15

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-24)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-15
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 36.7
- Grade Unit: g/t
- Intercept: 12 m
- True Width: 9.6 m
- From: 632 m
- To: 644 m
- Hole Depth: 918 m
- Intercept Depth: 466 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-15:632-644
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.82
- Northing: 7440949.96
- CRS: WGS84 UTM
- Elevation: 1278.28 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This significant intercept also carries an exceptional silver grade, adding significant value to the copper mineralization.

- Positive factor: Exceptional silver grade over a significant width, indicating significant byproduct value.

Evidence · table

> 36.7

Context: 12

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 9.6

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-17

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-25)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-17
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.67
- Grade Unit: %
- Intercept: 8 m
- True Width: 6.4 m
- From: 386 m
- To: 394 m
- Hole Depth: 868 m
- Intercept Depth: 386 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-17:386-394
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406646.99
- Northing: 7440799.97
- CRS: WGS84 UTM
- Elevation: 1277.86 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a narrow, moderate-grade copper intercept with no silver, making it less significant.

- Negative factor: Silver is below detection limit.

Evidence · table

> 0.67

Context: 8

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 6.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-17

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-26)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-17
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.57
- Grade Unit: %
- Intercept: 124 m
- True Width: 99.2 m
- From: 504 m
- To: 628 m
- Hole Depth: 868 m
- Intercept Depth: 386 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-17:504-628
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406646.99
- Northing: 7440799.97
- CRS: WGS84 UTM
- Elevation: 1277.86 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a very wide intercept with a moderate copper grade, contributing to the overall mineralization.

- Positive factor: Very wide intercept, indicating good continuity.

Evidence · table

> 0.57

Context: 124

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 99.2

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-17

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-27)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-17
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.2
- Grade Unit: g/t
- Intercept: 124 m
- True Width: 99.2 m
- From: 504 m
- To: 628 m
- Hole Depth: 868 m
- Intercept Depth: 386 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-17:504-628
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406646.99
- Northing: 7440799.97
- CRS: WGS84 UTM
- Elevation: 1277.86 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: While wide, the silver grade is very low, offering minimal additional value.

- Positive factor: Very wide intercept, indicating good continuity.

- Negative factor: Silver grade is very low.

Evidence · table

> 1.2

Context: 124

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 99.2

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-17

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-28)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-17
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.65
- Grade Unit: %
- Intercept: 104 m
- True Width: 83.2 m
- From: 522 m
- To: 626 m
- Hole Depth: 868 m
- Intercept Depth: 386 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-17:522-626
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406646.99
- Northing: 7440799.97
- CRS: WGS84 UTM
- Elevation: 1277.86 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a very wide intercept with a moderate copper grade, contributing to the overall mineralization.

- Positive factor: Very wide intercept, indicating good continuity.

Evidence · table

> 0.65

Context: 104

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 83.2

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-17

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-29)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-17
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.4
- Grade Unit: g/t
- Intercept: 104 m
- True Width: 83.2 m
- From: 522 m
- To: 626 m
- Hole Depth: 868 m
- Intercept Depth: 386 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-17:522-626
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406646.99
- Northing: 7440799.97
- CRS: WGS84 UTM
- Elevation: 1277.86 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: While wide, the silver grade is very low, offering minimal additional value.

- Positive factor: Very wide intercept, indicating good continuity.

- Negative factor: Silver grade is very low.

Evidence · table

> 1.4

Context: 104

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 83.2

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-17

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-30)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-17
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.96
- Grade Unit: %
- Intercept: 30 m
- True Width: 24 m
- From: 522 m
- To: 552 m
- Hole Depth: 868 m
- Intercept Depth: 386 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-17:522-552
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406646.99
- Northing: 7440799.97
- CRS: WGS84 UTM
- Elevation: 1277.86 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a strong copper grade over a good width, contributing positively to the overall mineralization.

- Positive factor: Good width and strong copper grade.

Evidence · table

> 0.96

Context: 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 24

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-17

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-31)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-17
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.8
- Grade Unit: g/t
- Intercept: 30 m
- True Width: 24 m
- From: 522 m
- To: 552 m
- Hole Depth: 868 m
- Intercept Depth: 386 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-17:522-552
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406646.99
- Northing: 7440799.97
- CRS: WGS84 UTM
- Elevation: 1277.86 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: While wide, the silver grade is very low, offering minimal additional value.

- Negative factor: Silver grade is very low.

Evidence · table

> 1.8

Context: 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 24

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-17

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-32)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-17
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.28
- Grade Unit: %
- Intercept: 20 m
- True Width: 16 m
- From: 524 m
- To: 544 m
- Hole Depth: 868 m
- Intercept Depth: 386 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-17:524-544
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406646.99
- Northing: 7440799.97
- CRS: WGS84 UTM
- Elevation: 1277.86 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a strong copper grade over a good width, contributing positively to the overall mineralization.

- Positive factor: Good width and strong copper grade.

Evidence · table

> 1.28

Context: 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 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-17

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-33)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-17
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 2.3
- Grade Unit: g/t
- Intercept: 20 m
- True Width: 16 m
- From: 524 m
- To: 544 m
- Hole Depth: 868 m
- Intercept Depth: 386 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-17:524-544
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406646.99
- Northing: 7440799.97
- CRS: WGS84 UTM
- Elevation: 1277.86 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is not particularly high, offering limited additional value.

- Negative factor: Silver grade is relatively low.

Evidence · table

> 2.3

Context: 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 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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-17

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-34)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-17
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.89
- Grade Unit: %
- Intercept: 40 m
- True Width: 32 m
- From: 586 m
- To: 626 m
- Hole Depth: 868 m
- Intercept Depth: 386 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-17:586-626
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406646.99
- Northing: 7440799.97
- CRS: WGS84 UTM
- Elevation: 1277.86 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a strong copper grade over a good width, contributing positively to the overall mineralization.

- Positive factor: Good width and strong copper grade.

Evidence · table

> 0.89

Context: 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 32

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-17

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-35)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-17
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 2
- Grade Unit: g/t
- Intercept: 40 m
- True Width: 32 m
- From: 586 m
- To: 626 m
- Hole Depth: 868 m
- Intercept Depth: 386 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-17:586-626
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406646.99
- Northing: 7440799.97
- CRS: WGS84 UTM
- Elevation: 1277.86 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: While wide, the silver grade is very low, offering minimal additional value.

- Negative factor: Silver grade is very low.

Evidence · table

> 2.0

Context: 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 32

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-17

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-36)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-17
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.36
- Grade Unit: %
- Intercept: 14 m
- True Width: 11.2 m
- From: 586 m
- To: 600 m
- Hole Depth: 868 m
- Intercept Depth: 386 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-17:586-600
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406646.99
- Northing: 7440799.97
- CRS: WGS84 UTM
- Elevation: 1277.86 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a strong copper grade over a good width, contributing positively to the overall mineralization.

- Positive factor: Good width and strong copper grade.

Evidence · table

> 1.36

Context: 14

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 11.2

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-17

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-37)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-17
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 4
- Grade Unit: g/t
- Intercept: 14 m
- True Width: 11.2 m
- From: 586 m
- To: 600 m
- Hole Depth: 868 m
- Intercept Depth: 386 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-17:586-600
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406646.99
- Northing: 7440799.97
- CRS: WGS84 UTM
- Elevation: 1277.86 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is moderate, providing additional value to the copper mineralization.

- Positive factor: Moderate silver grade over a good width.

Evidence · table

> 4.0

Context: 14

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 11.2

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-17

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-38)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-17
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.32
- Grade Unit: %
- Intercept: 118 m
- True Width: 94.4 m
- From: 734 m
- To: 852 m
- Hole Depth: 868 m
- Intercept Depth: 386 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-17:734-852
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406646.99
- Northing: 7440799.97
- CRS: WGS84 UTM
- Elevation: 1277.86 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a very wide but weak copper intercept with no silver, indicating lower-grade mineralization.

- Positive factor: Very wide intercept, indicating good continuity.

- Negative factor: Copper grade is weak for a manto deposit.

- Negative factor: Silver is below detection limit.

Evidence · table

> 0.32

Context: 118

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 94.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-17

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-39)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-17
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.45
- Grade Unit: %
- Intercept: 54 m
- True Width: 43.2 m
- From: 798 m
- To: 852 m
- Hole Depth: 868 m
- Intercept Depth: 386 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-17:798-852
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406646.99
- Northing: 7440799.97
- CRS: WGS84 UTM
- Elevation: 1277.86 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a wide but weak copper intercept with no silver, indicating lower-grade mineralization.

- Positive factor: Wide intercept, indicating good continuity.

- Negative factor: Copper grade is weak for a manto deposit.

- Negative factor: Silver is below detection limit.

Evidence · table

> 0.45

Context: 54

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 43.2

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-17

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-40)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-17
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.67
- Grade Unit: %
- Intercept: 28 m
- True Width: 22.4 m
- From: 816 m
- To: 844 m
- Hole Depth: 868 m
- Intercept Depth: 386 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-17:816-844
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406646.99
- Northing: 7440799.97
- CRS: WGS84 UTM
- Elevation: 1277.86 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a moderate copper grade over a good width, but lacks silver, making it less significant.

- Positive factor: Good width and moderate copper grade.

- Negative factor: Silver is below detection limit.

Evidence · table

> 0.67

Context: 28

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 22.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-17

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-41)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-17
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.97
- Grade Unit: %
- Intercept: 8 m
- True Width: 6.4 m
- From: 828 m
- To: 836 m
- Hole Depth: 868 m
- Intercept Depth: 386 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-17:828-836
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406646.99
- Northing: 7440799.97
- CRS: WGS84 UTM
- Elevation: 1277.86 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This narrow interval shows a strong copper grade, but lacks silver, making it less significant.

- Positive factor: Strong copper grade over a narrow interval.

- Negative factor: Silver is below detection limit.

Evidence · table

> 0.97

Context: 8

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 6.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-12

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-42)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-12
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.45
- Grade Unit: %
- Intercept: 24 m
- True Width: 19.2 m
- From: 674 m
- To: 698 m
- Hole Depth: 960 m
- Intercept Depth: 674 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-12:674-698
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406201.16
- Northing: 7440651.24
- CRS: WGS84 UTM
- Elevation: 1288 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a moderate width, weak copper intercept, contributing to the overall mineralization but not a highlight.

Evidence · table

> 0.45

Context: 24

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 19.2

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-12

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-43)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-12
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 2.1
- Grade Unit: g/t
- Intercept: 24 m
- True Width: 19.2 m
- From: 674 m
- To: 698 m
- Hole Depth: 960 m
- Intercept Depth: 674 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-12:674-698
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406201.16
- Northing: 7440651.24
- CRS: WGS84 UTM
- Elevation: 1288 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is very low, offering minimal additional value.

- Negative factor: Silver grade is very low.

Evidence · table

> 2.1

Context: 24

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 19.2

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-12

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-44)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-12
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.64
- Grade Unit: %
- Intercept: 6 m
- True Width: 4.8 m
- From: 674 m
- To: 680 m
- Hole Depth: 960 m
- Intercept Depth: 674 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-12:674-680
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406201.16
- Northing: 7440651.24
- CRS: WGS84 UTM
- Elevation: 1288 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a narrow, moderate-grade copper intercept, contributing to the overall mineralization but not a highlight.

Evidence · table

> 0.64

Context: 6

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 4.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-12

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-45)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-12
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 3.3
- Grade Unit: g/t
- Intercept: 6 m
- True Width: 4.8 m
- From: 674 m
- To: 680 m
- Hole Depth: 960 m
- Intercept Depth: 674 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-12:674-680
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406201.16
- Northing: 7440651.24
- CRS: WGS84 UTM
- Elevation: 1288 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is not particularly high, offering limited additional value.

- Negative factor: Silver grade is relatively low.

Evidence · table

> 3.3

Context: 6

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 4.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-12

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-46)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-12
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.98
- Grade Unit: %
- Intercept: 6 m
- True Width: 4.8 m
- From: 692 m
- To: 698 m
- Hole Depth: 960 m
- Intercept Depth: 674 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-12:692-698
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406201.16
- Northing: 7440651.24
- CRS: WGS84 UTM
- Elevation: 1288 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This narrow interval shows a strong copper grade, contributing positively to the overall mineralization.

- Positive factor: Strong copper grade over a narrow interval.

Evidence · table

> 0.98

Context: 6

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 4.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-12

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-47)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-12
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 5
- Grade Unit: g/t
- Intercept: 6 m
- True Width: 4.8 m
- From: 692 m
- To: 698 m
- Hole Depth: 960 m
- Intercept Depth: 674 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-12:692-698
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406201.16
- Northing: 7440651.24
- CRS: WGS84 UTM
- Elevation: 1288 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is moderate, providing additional value to the copper mineralization.

- Positive factor: Moderate silver grade over a narrow interval.

Evidence · table

> 5.0

Context: 6

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 4.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-12

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-48)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-12
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.95
- Grade Unit: %
- Intercept: 56 m
- True Width: 44.8 m
- From: 748 m
- To: 804 m
- Hole Depth: 960 m
- Intercept Depth: 674 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-12:748-804
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406201.16
- Northing: 7440651.24
- CRS: WGS84 UTM
- Elevation: 1288 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a very wide intercept with a strong copper grade, representing a significant extension of mineralization.

- Positive factor: Exceptional width and strong copper grade, indicating significant mineralization.

- Positive factor: Step-out drilling extended mineralization 300m to the west.

Evidence · table

> 0.95

Context: 56

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 44.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-12

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-49)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-12
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 4.2
- Grade Unit: g/t
- Intercept: 56 m
- True Width: 44.8 m
- From: 748 m
- To: 804 m
- Hole Depth: 960 m
- Intercept Depth: 674 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-12:748-804
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406201.16
- Northing: 7440651.24
- CRS: WGS84 UTM
- Elevation: 1288 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This very wide intercept also carries a moderate silver grade, adding value to the copper mineralization.

- Positive factor: Moderate silver grade over a very wide interval, indicating additional byproduct value.

Evidence · table

> 4.2

Context: 56

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 44.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-12

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-50)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-12
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.8
- Grade Unit: %
- Intercept: 22 m
- True Width: 17.6 m
- From: 750 m
- To: 772 m
- Hole Depth: 960 m
- Intercept Depth: 674 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-12:750-772
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406201.16
- Northing: 7440651.24
- CRS: WGS84 UTM
- Elevation: 1288 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows an exceptional copper grade over a good width, representing a significant high-grade zone.

- Positive factor: Exceptional copper grade over a good width, indicating a high-grade zone.

Evidence · table

> 1.80

Context: 22

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 17.6

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-12

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-51)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-12
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 9.7
- Grade Unit: g/t
- Intercept: 22 m
- True Width: 17.6 m
- From: 750 m
- To: 772 m
- Hole Depth: 960 m
- Intercept Depth: 674 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-12:750-772
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406201.16
- Northing: 7440651.24
- CRS: WGS84 UTM
- Elevation: 1288 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval also carries a strong silver grade, adding significant value to the copper mineralization.

- Positive factor: Strong silver grade over a good width, indicating significant byproduct value.

Evidence · table

> 9.7

Context: 22

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 17.6

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-12

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-52)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-12
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 2.42
- Grade Unit: %
- Intercept: 8 m
- True Width: 6.4 m
- From: 750 m
- To: 758 m
- Hole Depth: 960 m
- Intercept Depth: 674 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-12:750-758
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406201.16
- Northing: 7440651.24
- CRS: WGS84 UTM
- Elevation: 1288 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a significant intercept with an exceptional copper grade, representing a high-grade core.

- Positive factor: Exceptional copper grade over a significant width, indicating a bonanza intercept.

Evidence · table

> 2.42

Context: 8

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 6.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-12

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-53)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-12
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 9
- Grade Unit: g/t
- Intercept: 8 m
- True Width: 6.4 m
- From: 750 m
- To: 758 m
- Hole Depth: 960 m
- Intercept Depth: 674 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-12:750-758
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406201.16
- Northing: 7440651.24
- CRS: WGS84 UTM
- Elevation: 1288 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This significant intercept also carries a strong silver grade, adding significant value to the copper mineralization.

- Positive factor: Strong silver grade over a significant width, indicating significant byproduct value.

Evidence · table

> 9.0

Context: 8

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 6.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-12

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-54)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-12
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.2
- Grade Unit: %
- Intercept: 8 m
- True Width: 6.4 m
- From: 796 m
- To: 804 m
- Hole Depth: 960 m
- Intercept Depth: 674 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-12:796-804
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406201.16
- Northing: 7440651.24
- CRS: WGS84 UTM
- Elevation: 1288 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a strong copper grade over a good width, contributing positively to the overall mineralization.

- Positive factor: Good width and strong copper grade.

Evidence · table

> 1.20

Context: 8

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 6.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-12

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-55)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-12
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 2.8
- Grade Unit: g/t
- Intercept: 8 m
- True Width: 6.4 m
- From: 796 m
- To: 804 m
- Hole Depth: 960 m
- Intercept Depth: 674 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-12:796-804
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406201.16
- Northing: 7440651.24
- CRS: WGS84 UTM
- Elevation: 1288 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is not particularly high, offering limited additional value.

- Negative factor: Silver grade is relatively low.

Evidence · table

> 2.8

Context: 8

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 6.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-12

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-56)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-12
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.41
- Grade Unit: %
- Intercept: 18 m
- True Width: 14.4 m
- From: 874 m
- To: 892 m
- Hole Depth: 960 m
- Intercept Depth: 674 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-12:874-892
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406201.16
- Northing: 7440651.24
- CRS: WGS84 UTM
- Elevation: 1288 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a moderate width, weak copper intercept, contributing to the overall mineralization but not a highlight.

Evidence · table

> 0.41

Context: 18

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 14.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-12

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-57)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-12
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.7
- Grade Unit: g/t
- Intercept: 18 m
- True Width: 14.4 m
- From: 874 m
- To: 892 m
- Hole Depth: 960 m
- Intercept Depth: 674 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-12:874-892
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406201.16
- Northing: 7440651.24
- CRS: WGS84 UTM
- Elevation: 1288 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is very low, offering minimal additional value.

- Negative factor: Silver grade is very low.

Evidence · table

> 0.7

Context: 18

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 14.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-14

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-58)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-14
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.36
- Grade Unit: %
- Intercept: 68 m
- True Width: 54.4 m
- From: 204 m
- To: 272 m
- Hole Depth: 764.1 m
- Intercept Depth: 204 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-14:204-272
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.32
- Northing: 7441100.01
- CRS: WGS84 UTM
- Elevation: 1279.04 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a very wide but weak copper intercept, indicating lower-grade mineralization.

- Positive factor: Very wide intercept, indicating good continuity.

- Negative factor: Copper grade is weak for a manto deposit.

Evidence · table

> 0.36

Context: 68

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 54.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-14

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-59)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-14
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 2.3
- Grade Unit: g/t
- Intercept: 68 m
- True Width: 54.4 m
- From: 204 m
- To: 272 m
- Hole Depth: 764.1 m
- Intercept Depth: 204 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-14:204-272
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.32
- Northing: 7441100.01
- CRS: WGS84 UTM
- Elevation: 1279.04 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: While wide, the silver grade is very low, offering minimal additional value.

- Positive factor: Very wide intercept, indicating good continuity.

- Negative factor: Silver grade is very low.

Evidence · table

> 2.3

Context: 68

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 54.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-14

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-60)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-14
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.61
- Grade Unit: %
- Intercept: 30 m
- True Width: 24 m
- From: 238 m
- To: 268 m
- Hole Depth: 764.1 m
- Intercept Depth: 204 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-14:238-268
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.32
- Northing: 7441100.01
- CRS: WGS84 UTM
- Elevation: 1279.04 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a solid copper grade over a good width, contributing positively to the overall resource potential.

- Positive factor: Good width and moderate copper grade.

Evidence · table

> 0.61

Context: 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 24

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-14

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-61)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-14
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 4.2
- Grade Unit: g/t
- Intercept: 30 m
- True Width: 24 m
- From: 238 m
- To: 268 m
- Hole Depth: 764.1 m
- Intercept Depth: 204 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-14:238-268
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.32
- Northing: 7441100.01
- CRS: WGS84 UTM
- Elevation: 1279.04 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is moderate, providing additional value to the copper mineralization.

- Positive factor: Moderate silver grade over a good width.

Evidence · table

> 4.2

Context: 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 24

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-14

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-62)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-14
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.1
- Grade Unit: %
- Intercept: 8 m
- True Width: 6.4 m
- From: 238 m
- To: 246 m
- Hole Depth: 764.1 m
- Intercept Depth: 204 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-14:238-246
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.32
- Northing: 7441100.01
- CRS: WGS84 UTM
- Elevation: 1279.04 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a strong copper grade over a good width, contributing positively to the overall mineralization.

- Positive factor: Good width and strong copper grade.

Evidence · table

> 1.10

Context: 8

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 6.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-14

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-63)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-14
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 7
- Grade Unit: g/t
- Intercept: 8 m
- True Width: 6.4 m
- From: 238 m
- To: 246 m
- Hole Depth: 764.1 m
- Intercept Depth: 204 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-14:238-246
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.32
- Northing: 7441100.01
- CRS: WGS84 UTM
- Elevation: 1279.04 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is strong, providing additional value to the copper mineralization.

- Positive factor: Strong silver grade over a good width.

Evidence · table

> 7.0

Context: 8

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 6.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-14

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-64)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-14
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.74
- Grade Unit: %
- Intercept: 10 m
- True Width: 8 m
- From: 258 m
- To: 268 m
- Hole Depth: 764.1 m
- Intercept Depth: 204 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-14:258-268
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.32
- Northing: 7441100.01
- CRS: WGS84 UTM
- Elevation: 1279.04 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a solid copper grade over a good width, contributing positively to the overall resource potential.

- Positive factor: Good width and moderate copper grade.

Evidence · table

> 0.74

Context: 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 8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-14

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-65)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-14
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 7
- Grade Unit: g/t
- Intercept: 10 m
- True Width: 8 m
- From: 258 m
- To: 268 m
- Hole Depth: 764.1 m
- Intercept Depth: 204 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-14:258-268
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.32
- Northing: 7441100.01
- CRS: WGS84 UTM
- Elevation: 1279.04 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is strong, providing additional value to the copper mineralization.

- Positive factor: Strong silver grade over a good width.

Evidence · table

> 7.0

Context: 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 8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-14

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-66)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-14
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.66
- Grade Unit: %
- Intercept: 16 m
- True Width: 12.8 m
- From: 698 m
- To: 714 m
- Hole Depth: 764.1 m
- Intercept Depth: 204 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-14:698-714
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.32
- Northing: 7441100.01
- CRS: WGS84 UTM
- Elevation: 1279.04 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a solid copper grade over a good width, contributing positively to the overall resource potential.

- Positive factor: Good width and moderate copper grade.

Evidence · table

> 0.66

Context: 16

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 12.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-14

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-67)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-14
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 3.9
- Grade Unit: g/t
- Intercept: 16 m
- True Width: 12.8 m
- From: 698 m
- To: 714 m
- Hole Depth: 764.1 m
- Intercept Depth: 204 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-14:698-714
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.32
- Northing: 7441100.01
- CRS: WGS84 UTM
- Elevation: 1279.04 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is moderate, providing additional value to the copper mineralization.

- Positive factor: Moderate silver grade over a good width.

Evidence · table

> 3.9

Context: 16

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 12.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-14

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-68)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-14
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.16
- Grade Unit: %
- Intercept: 8 m
- True Width: 6.4 m
- From: 704 m
- To: 712 m
- Hole Depth: 764.1 m
- Intercept Depth: 204 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-14:704-712
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.32
- Northing: 7441100.01
- CRS: WGS84 UTM
- Elevation: 1279.04 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a strong copper grade over a good width, contributing positively to the overall mineralization.

- Positive factor: Good width and strong copper grade.

Evidence · table

> 1.16

Context: 8

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 6.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-14

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-69)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-14
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 7.8
- Grade Unit: g/t
- Intercept: 8 m
- True Width: 6.4 m
- From: 704 m
- To: 712 m
- Hole Depth: 764.1 m
- Intercept Depth: 204 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-14:704-712
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406647.32
- Northing: 7441100.01
- CRS: WGS84 UTM
- Elevation: 1279.04 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is strong, providing additional value to the copper mineralization.

- Positive factor: Strong silver grade over a good width.

Evidence · table

> 7.8

Context: 8

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 6.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-16A

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-70)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-16A
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.77
- Grade Unit: %
- Intercept: 36 m
- True Width: 28.8 m
- From: 184 m
- To: 220 m
- Hole Depth: 868 m
- Intercept Depth: 184 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-16A:184-220
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406950.14
- Northing: 7440949.94
- CRS: WGS84 UTM
- Elevation: 1271.77 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a solid copper grade over a good width, contributing positively to the overall resource potential.

- Positive factor: Good width and moderate copper grade.

Evidence · table

> 0.77

Context: 36

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 28.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-16A

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-71)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-16A
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.1
- Grade Unit: g/t
- Intercept: 36 m
- True Width: 28.8 m
- From: 184 m
- To: 220 m
- Hole Depth: 868 m
- Intercept Depth: 184 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-16A:184-220
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406950.14
- Northing: 7440949.94
- CRS: WGS84 UTM
- Elevation: 1271.77 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: While wide, the silver grade is very low, offering minimal additional value.

- Negative factor: Silver grade is very low.

Evidence · table

> 1.1

Context: 36

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 28.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-16A

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-72)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-16A
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.94
- Grade Unit: %
- Intercept: 26 m
- True Width: 20.8 m
- From: 190 m
- To: 216 m
- Hole Depth: 868 m
- Intercept Depth: 184 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-16A:190-216
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406950.14
- Northing: 7440949.94
- CRS: WGS84 UTM
- Elevation: 1271.77 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a strong copper grade over a good width, contributing positively to the overall mineralization.

- Positive factor: Good width and strong copper grade.

Evidence · table

> 0.94

Context: 26

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 20.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-16A

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-73)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-16A
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.5
- Grade Unit: g/t
- Intercept: 26 m
- True Width: 20.8 m
- From: 190 m
- To: 216 m
- Hole Depth: 868 m
- Intercept Depth: 184 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-16A:190-216
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406950.14
- Northing: 7440949.94
- CRS: WGS84 UTM
- Elevation: 1271.77 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: While wide, the silver grade is very low, offering minimal additional value.

- Negative factor: Silver grade is very low.

Evidence · table

> 1.5

Context: 26

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 20.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-16A

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-74)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-16A
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.58
- Grade Unit: %
- Intercept: 12 m
- True Width: 9.6 m
- From: 204 m
- To: 216 m
- Hole Depth: 868 m
- Intercept Depth: 184 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-16A:204-216
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406950.14
- Northing: 7440949.94
- CRS: WGS84 UTM
- Elevation: 1271.77 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a high copper grade over a good width, contributing positively to the overall mineralization.

- Positive factor: High copper grade over a good width.

Evidence · table

> 1.58

Context: 12

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 9.6

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-16A

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-75)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-16A
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 3.2
- Grade Unit: g/t
- Intercept: 12 m
- True Width: 9.6 m
- From: 204 m
- To: 216 m
- Hole Depth: 868 m
- Intercept Depth: 184 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-16A:204-216
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406950.14
- Northing: 7440949.94
- CRS: WGS84 UTM
- Elevation: 1271.77 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is not particularly high, offering limited additional value.

- Negative factor: Silver grade is relatively low.

Evidence · table

> 3.2

Context: 12

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 9.6

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPD-13

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-76)

Pampa Medina · copper

#### Identity

- Hole ID: SPD-13
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.5
- Grade Unit: %
- Intercept: 222 m
- True Width: 177.6 m
- From: 194 m
- To: 416 m
- Hole Depth: 590 m
- Intercept Depth: 194 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPD-13:194-416
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 407002.02
- Northing: 7440348.7
- CRS: WGS84 UTM
- Elevation: 1269.67 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a very wide intercept with a moderate copper grade, indicating significant mineralization and continuity, and extending the zone.

- Positive factor: Exceptional width for a manto deposit.

- Positive factor: Moderate copper grade for a manto deposit.

- Positive factor: Significant contained metal \(grade x width\).

- Negative factor: Silver is below detection limit.

Evidence · table

> 0.50

Context: 222

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 177.6

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPD-13

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-77)

Pampa Medina · copper

#### Identity

- Hole ID: SPD-13
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.01
- Grade Unit: %
- Intercept: 18 m
- True Width: 14.4 m
- From: 246 m
- To: 264 m
- Hole Depth: 590 m
- Intercept Depth: 194 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPD-13:246-264
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 407002.02
- Northing: 7440348.7
- CRS: WGS84 UTM
- Elevation: 1269.67 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a strong copper grade over a good width, contributing positively to the overall mineralization.

- Positive factor: Good width and strong copper grade.

- Negative factor: Silver is below detection limit.

Evidence · table

> 1.01

Context: 18

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 14.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPD-13

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-78)

Pampa Medina · copper

#### Identity

- Hole ID: SPD-13
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.07
- Grade Unit: %
- Intercept: 28 m
- True Width: 22.4 m
- From: 322 m
- To: 350 m
- Hole Depth: 590 m
- Intercept Depth: 194 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPD-13:322-350
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 407002.02
- Northing: 7440348.7
- CRS: WGS84 UTM
- Elevation: 1269.67 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a strong copper grade over a good width, contributing positively to the overall mineralization.

- Positive factor: Good width and strong copper grade.

- Negative factor: Silver is below detection limit.

Evidence · table

> 1.07

Context: 28

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 22.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPD-13

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-79)

Pampa Medina · copper

#### Identity

- Hole ID: SPD-13
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.9
- Grade Unit: %
- Intercept: 12 m
- True Width: 9.6 m
- From: 338 m
- To: 350 m
- Hole Depth: 590 m
- Intercept Depth: 194 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPD-13:338-350
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 407002.02
- Northing: 7440348.7
- CRS: WGS84 UTM
- Elevation: 1269.67 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a high copper grade over a good width, contributing positively to the overall mineralization.

- Positive factor: High copper grade over a good width.

- Negative factor: Silver is below detection limit.

Evidence · table

> 1.90

Context: 12

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 9.6

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPD-13

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-80)

Pampa Medina · copper

#### Identity

- Hole ID: SPD-13
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.05
- Grade Unit: %
- Intercept: 48 m
- True Width: 38.4 m
- From: 368 m
- To: 416 m
- Hole Depth: 590 m
- Intercept Depth: 194 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPD-13:368-416
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 407002.02
- Northing: 7440348.7
- CRS: WGS84 UTM
- Elevation: 1269.67 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a strong copper grade over a good width, contributing positively to the overall mineralization.

- Positive factor: Good width and strong copper grade.

- Negative factor: Silver is below detection limit.

Evidence · table

> 1.05

Context: 48

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 38.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPD-13

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-81)

Pampa Medina · copper

#### Identity

- Hole ID: SPD-13
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.99
- Grade Unit: %
- Intercept: 12 m
- True Width: 9.6 m
- From: 404 m
- To: 416 m
- Hole Depth: 590 m
- Intercept Depth: 194 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPD-13:404-416
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 407002.02
- Northing: 7440348.7
- CRS: WGS84 UTM
- Elevation: 1269.67 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a high copper grade over a good width, contributing positively to the overall mineralization.

- Positive factor: High copper grade over a good width.

- Negative factor: Silver is below detection limit.

Evidence · table

> 1.99

Context: 12

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 9.6

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-10

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-82)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-10
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.37
- Grade Unit: %
- Intercept: 254 m
- True Width: 203.2 m
- From: 538 m
- To: 792 m
- Hole Depth: 850 m
- Intercept Depth: 538 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-10:538-792
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406399.78
- Northing: 7440354.96
- CRS: WGS84 UTM
- Elevation: 1281.35 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a very wide but weak copper intercept, indicating lower-grade mineralization.

- Positive factor: Exceptional width for a manto deposit.

- Negative factor: Copper grade is weak for a manto deposit.

Evidence · table

> 0.37

Context: 254

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 203.2

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-10

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-83)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-10
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.6
- Grade Unit: g/t
- Intercept: 254 m
- True Width: 203.2 m
- From: 538 m
- To: 792 m
- Hole Depth: 850 m
- Intercept Depth: 538 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-10:538-792
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406399.78
- Northing: 7440354.96
- CRS: WGS84 UTM
- Elevation: 1281.35 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: While very wide, the silver grade is very low, offering minimal additional value.

- Positive factor: Exceptional width for a manto deposit.

- Negative factor: Silver grade is very low.

Evidence · table

> 1.6

Context: 254

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 203.2

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-10

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-84)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-10
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.34
- Grade Unit: %
- Intercept: 26 m
- True Width: 20.8 m
- From: 538 m
- To: 564 m
- Hole Depth: 850 m
- Intercept Depth: 538 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-10:538-564
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406399.78
- Northing: 7440354.96
- CRS: WGS84 UTM
- Elevation: 1281.35 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a good width but weak copper intercept, indicating lower-grade mineralization.

- Positive factor: Good width.

- Negative factor: Copper grade is weak for a manto deposit.

Evidence · table

> 0.34

Context: 26

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 20.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-10

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-85)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-10
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.7
- Grade Unit: g/t
- Intercept: 26 m
- True Width: 20.8 m
- From: 538 m
- To: 564 m
- Hole Depth: 850 m
- Intercept Depth: 538 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-10:538-564
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406399.78
- Northing: 7440354.96
- CRS: WGS84 UTM
- Elevation: 1281.35 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: While wide, the silver grade is very low, offering minimal additional value.

- Positive factor: Good width.

- Negative factor: Silver grade is very low.

Evidence · table

> 0.7

Context: 26

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 20.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-10

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-86)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-10
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.6
- Grade Unit: %
- Intercept: 8 m
- True Width: 6.4 m
- From: 538 m
- To: 546 m
- Hole Depth: 850 m
- Intercept Depth: 538 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-10:538-546
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406399.78
- Northing: 7440354.96
- CRS: WGS84 UTM
- Elevation: 1281.35 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a narrow, moderate-grade copper intercept, contributing to the overall mineralization but not a highlight.

Evidence · table

> 0.60

Context: 8

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 6.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-10

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-87)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-10
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 2.3
- Grade Unit: g/t
- Intercept: 8 m
- True Width: 6.4 m
- From: 538 m
- To: 546 m
- Hole Depth: 850 m
- Intercept Depth: 538 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-10:538-546
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406399.78
- Northing: 7440354.96
- CRS: WGS84 UTM
- Elevation: 1281.35 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is very low, offering minimal additional value.

- Negative factor: Silver grade is very low.

Evidence · table

> 2.3

Context: 8

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 6.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-10

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-88)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-10
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.71
- Grade Unit: %
- Intercept: 48 m
- True Width: 38.4 m
- From: 594 m
- To: 642 m
- Hole Depth: 850 m
- Intercept Depth: 538 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-10:594-642
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406399.78
- Northing: 7440354.96
- CRS: WGS84 UTM
- Elevation: 1281.35 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a solid copper grade over a good width, contributing positively to the overall resource potential.

- Positive factor: Good width and moderate copper grade.

Evidence · table

> 0.71

Context: 48

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 38.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-10

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-89)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-10
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 3.8
- Grade Unit: g/t
- Intercept: 48 m
- True Width: 38.4 m
- From: 594 m
- To: 642 m
- Hole Depth: 850 m
- Intercept Depth: 538 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-10:594-642
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406399.78
- Northing: 7440354.96
- CRS: WGS84 UTM
- Elevation: 1281.35 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is moderate, providing additional value to the copper mineralization.

- Positive factor: Moderate silver grade over a good width.

Evidence · table

> 3.8

Context: 48

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 38.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-10

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-90)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-10
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.88
- Grade Unit: %
- Intercept: 28 m
- True Width: 22.4 m
- From: 594 m
- To: 622 m
- Hole Depth: 850 m
- Intercept Depth: 538 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-10:594-622
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406399.78
- Northing: 7440354.96
- CRS: WGS84 UTM
- Elevation: 1281.35 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a strong copper grade over a good width, contributing positively to the overall mineralization.

- Positive factor: Good width and strong copper grade.

Evidence · table

> 0.88

Context: 28

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 22.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-10

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-91)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-10
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 5.4
- Grade Unit: g/t
- Intercept: 28 m
- True Width: 22.4 m
- From: 594 m
- To: 622 m
- Hole Depth: 850 m
- Intercept Depth: 538 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-10:594-622
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406399.78
- Northing: 7440354.96
- CRS: WGS84 UTM
- Elevation: 1281.35 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is moderate, providing additional value to the copper mineralization.

- Positive factor: Moderate silver grade over a good width.

Evidence · table

> 5.4

Context: 28

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 22.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-10

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-92)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-10
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 1.37
- Grade Unit: %
- Intercept: 16 m
- True Width: 12.8 m
- From: 594 m
- To: 610 m
- Hole Depth: 850 m
- Intercept Depth: 538 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-10:594-610
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406399.78
- Northing: 7440354.96
- CRS: WGS84 UTM
- Elevation: 1281.35 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a strong copper grade over a good width, contributing positively to the overall mineralization.

- Positive factor: Good width and strong copper grade.

Evidence · table

> 1.37

Context: 16

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 12.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-10

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-93)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-10
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 8.5
- Grade Unit: g/t
- Intercept: 16 m
- True Width: 12.8 m
- From: 594 m
- To: 610 m
- Hole Depth: 850 m
- Intercept Depth: 538 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-10:594-610
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406399.78
- Northing: 7440354.96
- CRS: WGS84 UTM
- Elevation: 1281.35 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is strong, providing additional value to the copper mineralization.

- Positive factor: Strong silver grade over a good width.

Evidence · table

> 8.5

Context: 16

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 12.8

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-10

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-94)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-10
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.46
- Grade Unit: %
- Intercept: 88 m
- True Width: 70.4 m
- From: 704 m
- To: 792 m
- Hole Depth: 850 m
- Intercept Depth: 538 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-10:704-792
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406399.78
- Northing: 7440354.96
- CRS: WGS84 UTM
- Elevation: 1281.35 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This is a very wide but weak copper intercept, indicating lower-grade mineralization.

- Positive factor: Very wide intercept, indicating good continuity.

- Negative factor: Copper grade is weak for a manto deposit.

Evidence · table

> 0.46

Context: 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 70.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-10

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-95)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-10
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 2.3
- Grade Unit: g/t
- Intercept: 88 m
- True Width: 70.4 m
- From: 704 m
- To: 792 m
- Hole Depth: 850 m
- Intercept Depth: 538 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-10:704-792
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406399.78
- Northing: 7440354.96
- CRS: WGS84 UTM
- Elevation: 1281.35 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: While very wide, the silver grade is very low, offering minimal additional value.

- Positive factor: Very wide intercept, indicating good continuity.

- Negative factor: Silver grade is very low.

Evidence · table

> 2.3

Context: 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 70.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-10

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-96)

Pampa Medina · copper

#### Identity

- Hole ID: SPRD-10
- Project: Pampa Medina
- Commodity: copper
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 0.63
- Grade Unit: %
- Intercept: 38 m
- True Width: 30.4 m
- From: 704 m
- To: 742 m
- Hole Depth: 850 m
- Intercept Depth: 538 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-10:704-742
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406399.78
- Northing: 7440354.96
- CRS: WGS84 UTM
- Elevation: 1281.35 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: This interval shows a solid copper grade over a good width, contributing positively to the overall resource potential.

- Positive factor: Good width and moderate copper grade.

Evidence · table

> 0.63

Context: 38

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 30.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

### SPRD-10

[Link to this fact](https://atlas-staging.minestarters.com/news/pampa-medina-continues-to-deliver-extraordinary-cu-ag-grade-widths-drilling-inte--61a41c64-b760-45da-9a57-382773f67d2f#fact-drill-facts-97)

Pampa Medina · silver

#### Identity

- Hole ID: SPRD-10
- Project: Pampa Medina
- Commodity: silver
- Region: chile
- Reported Region: chile
- Ticker: MARI.TO

#### Geometry

- Grade: 3.4
- Grade Unit: g/t
- Intercept: 38 m
- True Width: 30.4 m
- From: 704 m
- To: 742 m
- Hole Depth: 850 m
- Intercept Depth: 538 m

#### Classification

- Deposit Type: manto
- Program: mixed
- Sample Type: drill
- Group ID: SPRD-10:704-742
- Mining Method: underground

#### Location

- Location: Central Zone
- Easting: 406399.78
- Northing: 7440354.96
- CRS: WGS84 UTM
- Elevation: 1281.35 m
- Azimuth: 270 °
- Dip: -60 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: Andes Analytical Assay Ltd. \(AAA\)
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-09-08T00:00:00.000Z

Reasoning: The silver grade in this interval is moderate, providing additional value to the copper mineralization.

- Positive factor: Moderate silver grade over a good width.

Evidence · table

> 3.4

Context: 38

#### Tags used in scoring

**True Width Disclosed**

Polarity: positive

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

Why it applies: true\_width\_m is 30.4

**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

**Infill Drilling**

Polarity: neutral

Definition: Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill\_program\_type is "mixed"

**Nearology Play**

Polarity: neutral

Definition: Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "-  \*\*Drilling on 150m spacing continues to validate the continuity of the thick, ultra high-grade, stacked-mantos acros"

## 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.
