# Barksdale Intersects High Grade Porphyry Copper Mineralization, Including Two Intervals of 0.93% Cu and 0.90% Cu over 60.96 Metres Respectively on Flagship Sunnyside Project

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7

Original source: https://money.tmx.com/en/quote/BRO/news/7612781582585268/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int

Publisher: tmx

Original announcement: 2026-05-04T14:24:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Barksdale Resources Corp.

- Ticker: BRO

- Exchange: TSX

- Region: Arizona, USA

- Primary commodity: Copper

- Secondary commodities: Zinc, Silver, Lead

- Document categories: Drill results

- Extracted: 2026-08-23 02:45:00 UTC

Narrative sentiment: 0.90 · Bullish

## Minestarters Atlas summary

Barksdale Resources reported strong assay results from the first four holes of its 2026 drill program at the Sunnyside Project in Arizona, intersecting high-grade porphyry copper mineralization. Key intercepts include 0.93% Cu over 60.96m and 0.90% Cu over 60.96m, along with significant zinc and silver. The program successfully targeted near-surface mineralization within the Sunnyside Monzonite Porphyry, with plans to expand the mineral footprint through further drilling.

Reasoning: Barksdale Resources announced exceptional high-grade copper intercepts over significant widths from its flagship Sunnyside Project, confirming porphyry-style mineralization in a previously underexplored area with robust QA/QC protocols.

- Positive factor: High-grade copper intercepts

- Positive factor: Broad mineralized widths

- Positive factor: Polymetallic mineralization \(Cu-Zn-Ag\)

- Positive factor: Porphyry deposit type

- Positive factor: Near-surface mineralization

- Positive factor: Successful exploration program

- Positive factor: QA/QC disclosed and QP approved

- Negative factor: True widths of mineralization are unknown

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 171

## Classification and evidence

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: The release explicitly states 'QP and QAQC approved', names 'Skyline Assayers &amp; Laboratories', and details methods including 'certified reference materials or standards, 2% blank material, and 2% field duplicates'.

Evidence · text

> Table 1: Significant Results Table. True thickness/widths of mineralization are unknown at this time. \(QP and QAQC approved\)

**Apparent Width Only**

Polarity: negative

Definition: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: The document explicitly states 'True thickness/widths of mineralization are unknown at this time' for all reported intercepts.

Evidence · text

> Table 1: Significant Results Table. True thickness/widths of mineralization are unknown at this time.

**Step-Out Extension**

Polarity: positive

Definition: Mineralization extended beyond the previously known limit.

Why it applies: The CEO states 'The 2026 exploration program is focused on near surface copper and silver targets' and 'The program is testing a very promising copper-silver target within the Chalcocite Zone... referred to as the Triple C target. We expect the mineral footprint will continue to expand'. This area has not been systematically drilled in more than 50 years.

Evidence · text

> The 2026 exploration program is focused on near surface copper and silver targets that can quickly add value to the portfolio

**Bonanza Intercept**

Polarity: positive

Definition: Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: The intercept of 2.745% Cu over 3.05m in hole SUN26-001R is exceptionally high-grade for a porphyry copper deposit \(exceptional threshold is &gt;=0.8%\).

Evidence · table

> 2.745

Context: 3.05

**Bonanza Intercept**

Polarity: positive

Definition: Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: The intercept of 3.04% Cu over 1.52m in hole SUN26-003R is exceptionally high-grade for a porphyry copper deposit \(exceptional threshold is &gt;=0.8%\).

Evidence · table

> 3.04

Context: 1.52

## Extracted facts

Stored fact records: 171. Some facts used in scoring do not have a stored record.

## Drill Results (171)

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-0)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 0.29
- Grade Unit: %
- Intercept: 454.15 m
- From: 3.05 m
- To: 457.2 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:3.05-457.2
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: A very broad intercept of moderate-grade copper for a porphyry system, indicating significant mineralization from surface.

- Positive factor: Broad intercept width

- Positive factor: Moderate grade for porphyry copper

- Negative factor: True width unknown

Evidence · table

> 0.29

Context: 454.15

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-1)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.06
- Grade Unit: %
- Intercept: 454.15 m
- From: 3.05 m
- To: 457.2 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:3.05-457.2
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a broad interval, indicating polymetallic nature but not a primary driver.

Evidence · table

> 0.06

Context: 454.15

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-2)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 454.15 m
- From: 3.05 m
- To: 457.2 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:3.05-457.2
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a broad interval.

Evidence · table

> 0.02

Context: 454.15

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-3)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 4.8
- Grade Unit: ppm
- Intercept: 454.15 m
- From: 3.05 m
- To: 457.2 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:3.05-457.2
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade silver over a broad interval, contributing to polymetallic nature.

Evidence · table

> 4.8

Context: 454.15

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-4)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 111.25 m
- From: 305 m
- To: 114.3 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:305-114.3
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: A strong copper grade over a significant width within the broader mineralized zone, indicating good continuity.

- Positive factor: Strong grade for porphyry copper

- Positive factor: Good intercept width

- Negative factor: True width unknown

Evidence · table

> 0.4

Context: 111.25

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-5)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.12
- Grade Unit: %
- Intercept: 111.25 m
- From: 305 m
- To: 114.3 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:305-114.3
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a good width, contributing to polymetallic nature.

Evidence · table

> 0.12

Context: 111.25

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-6)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 111.25 m
- From: 305 m
- To: 114.3 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:305-114.3
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a good width.

Evidence · table

> 0.03

Context: 111.25

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-7)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 5.6
- Grade Unit: ppm
- Intercept: 111.25 m
- From: 305 m
- To: 114.3 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:305-114.3
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade silver over a good width, contributing to polymetallic nature.

Evidence · table

> 5.6

Context: 111.25

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-8)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.26
- Grade Unit: %
- Intercept: 6.1 m
- From: 53.34 m
- To: 59.44 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:53.34-59.44
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: A very high-grade copper intercept for a porphyry system, indicating a bonanza zone within the broader mineralization.

- Positive factor: Exceptional grade for porphyry copper

- Negative factor: Narrow intercept width

- Negative factor: True width unknown

Evidence · table

> 1.26

Context: 6.10

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-9)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 6.1 m
- From: 53.34 m
- To: 59.44 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:53.34-59.44
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a narrow interval.

Evidence · table

> 0.04

Context: 6.10

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-10)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 6.1 m
- From: 53.34 m
- To: 59.44 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:53.34-59.44
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a narrow interval.

Evidence · table

> 0.03

Context: 6.10

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-11)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 12.8
- Grade Unit: ppm
- Intercept: 6.1 m
- From: 53.34 m
- To: 59.44 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:53.34-59.44
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Moderate silver grade over a narrow interval, adding to the polymetallic value.

Evidence · table

> 12.8

Context: 6.10

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-12)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.34
- Grade Unit: %
- Intercept: 1.52 m
- From: 74.68 m
- To: 76.2 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:74.68-76.2
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: A very high-grade copper intercept over a very narrow width, indicating a localized bonanza zone.

- Positive factor: Exceptional grade for porphyry copper

- Negative factor: Very narrow intercept width

- Negative factor: True width unknown

Evidence · table

> 1.34

Context: 1.52

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-13)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 1.52 m
- From: 74.68 m
- To: 76.2 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:74.68-76.2
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a very narrow interval.

Evidence · table

> 0.04

Context: 1.52

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-14)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 1.52 m
- From: 74.68 m
- To: 76.2 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:74.68-76.2
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a very narrow interval.

Evidence · table

> 0.02

Context: 1.52

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-15)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 13.6
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 74.68 m
- To: 76.2 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:74.68-76.2
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Moderate silver grade over a very narrow interval, adding to the polymetallic value.

Evidence · table

> 13.6

Context: 1.52

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-16)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 0.95
- Grade Unit: %
- Intercept: 39.62 m
- From: 248.41 m
- To: 288.04 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:248.41-288.04
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: An exceptional copper grade over a strong width, representing a significant high-grade zone within the porphyry system.

- Positive factor: Exceptional grade for porphyry copper

- Positive factor: Strong intercept width

- Negative factor: True width unknown

Evidence · table

> 0.95

Context: 39.62

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-17)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.05
- Grade Unit: %
- Intercept: 39.62 m
- From: 248.41 m
- To: 288.04 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:248.41-288.04
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a strong width.

Evidence · table

> 0.05

Context: 39.62

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-18)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 11.77
- Grade Unit: ppm
- Intercept: 39.62 m
- From: 248.41 m
- To: 288.04 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:248.41-288.04
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Moderate silver grade over a strong width, adding to the polymetallic value.

Evidence · table

> 11.77

Context: 39.62

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-19)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.45
- Grade Unit: %
- Intercept: 12.19 m
- From: 251.46 m
- To: 263.65 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:251.46-263.65
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: An exceptional copper grade over a moderate width, representing a very high-grade sub-interval.

- Positive factor: Exceptional grade for porphyry copper

- Positive factor: Moderate intercept width

- Negative factor: True width unknown

Evidence · table

> 1.45

Context: 12.19

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-20)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.05
- Grade Unit: %
- Intercept: 12.19 m
- From: 251.46 m
- To: 263.65 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:251.46-263.65
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a moderate width.

Evidence · table

> 0.05

Context: 12.19

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-21)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 17.85
- Grade Unit: ppm
- Intercept: 12.19 m
- From: 251.46 m
- To: 263.65 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:251.46-263.65
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Moderate silver grade over a moderate width, adding to the polymetallic value.

Evidence · table

> 17.85

Context: 12.19

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-22)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.05
- Grade Unit: %
- Intercept: 13.72 m
- From: 274.32 m
- To: 288.04 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:274.32-288.04
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: An exceptional copper grade over a moderate width, representing another high-grade sub-interval.

- Positive factor: Exceptional grade for porphyry copper

- Positive factor: Moderate intercept width

- Negative factor: True width unknown

Evidence · table

> 1.05

Context: 13.72

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-23)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 13.72 m
- From: 274.32 m
- To: 288.04 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:274.32-288.04
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a moderate width.

Evidence · table

> 0.04

Context: 13.72

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-24)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 12.4
- Grade Unit: ppm
- Intercept: 13.72 m
- From: 274.32 m
- To: 288.04 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:274.32-288.04
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Moderate silver grade over a moderate width, adding to the polymetallic value.

Evidence · table

> 12.4

Context: 13.72

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-25)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 2.745
- Grade Unit: %
- Intercept: 3.05 m
- From: 313.94 m
- To: 316.99 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:313.94-316.99
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: An exceptionally high-grade copper intercept over a narrow width, representing a bonanza zone within the porphyry system.

- Positive factor: Exceptional grade for porphyry copper

- Positive factor: Bonanza intercept

- Negative factor: Narrow intercept width

- Negative factor: True width unknown

Evidence · table

> 2.745

Context: 3.05

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-26)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.23
- Grade Unit: %
- Intercept: 3.05 m
- From: 313.94 m
- To: 316.99 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:313.94-316.99
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a narrow interval.

Evidence · table

> 0.23

Context: 3.05

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-27)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 73.5
- Grade Unit: ppm
- Intercept: 3.05 m
- From: 313.94 m
- To: 316.99 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:313.94-316.99
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Strong silver grade over a narrow interval, significantly contributing to the polymetallic value.

Evidence · table

> 73.5

Context: 3.05

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-28)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 0.3575
- Grade Unit: %
- Intercept: 59.44 m
- From: 397.76 m
- To: 457.2 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:397.76-457.2
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: A strong width of moderate-grade copper, indicating good continuity at depth.

- Positive factor: Strong intercept width

- Positive factor: Moderate grade for porphyry copper

- Negative factor: True width unknown

Evidence · table

> 0.3575

Context: 59.44

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-29)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 59.44 m
- From: 397.76 m
- To: 457.2 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:397.76-457.2
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a strong width.

Evidence · table

> 0.03

Context: 59.44

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-30)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 4.5
- Grade Unit: ppm
- Intercept: 59.44 m
- From: 397.76 m
- To: 457.2 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:397.76-457.2
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade silver over a strong width.

Evidence · table

> 4.5

Context: 59.44

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-31)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.07
- Grade Unit: %
- Intercept: 1.52 m
- From: 414.53 m
- To: 416.05 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:414.53-416.05
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: An exceptional copper grade over a very narrow width, indicating a localized high-grade zone at depth.

- Positive factor: Exceptional grade for porphyry copper

- Negative factor: Very narrow intercept width

- Negative factor: True width unknown

Evidence · table

> 1.07

Context: 1.52

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-32)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.05
- Grade Unit: %
- Intercept: 1.52 m
- From: 414.53 m
- To: 416.05 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:414.53-416.05
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a very narrow interval.

Evidence · table

> 0.05

Context: 1.52

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-33)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 11.5
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 414.53 m
- To: 416.05 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:414.53-416.05
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Moderate silver grade over a very narrow interval.

Evidence · table

> 11.5

Context: 1.52

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-34)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.01
- Grade Unit: %
- Intercept: 1.52 m
- From: 452.63 m
- To: 454.15 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:452.63-454.15
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: An exceptional copper grade over a very narrow width, indicating a localized high-grade zone at the bottom of the hole.

- Positive factor: Exceptional grade for porphyry copper

- Negative factor: Very narrow intercept width

- Negative factor: True width unknown

Evidence · table

> 1.01

Context: 1.52

### SUN26-001R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-35)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 3.7
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 452.63 m
- To: 454.15 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-001R\*:452.63-454.15
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade silver over a very narrow interval.

Evidence · table

> 3.7

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-36)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 0.45
- Grade Unit: %
- Intercept: 393.192 m
- From: 3.05 m
- To: 396.24 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:3.05-396.24
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: A very broad intercept of strong-grade copper for a porphyry system, indicating significant mineralization from surface.

- Positive factor: Broad intercept width

- Positive factor: Strong grade for porphyry copper

- Negative factor: True width unknown

Evidence · table

> 0.45

Context: 393.192

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-37)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.06
- Grade Unit: %
- Intercept: 393.192 m
- From: 3.05 m
- To: 396.24 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:3.05-396.24
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a broad interval.

Evidence · table

> 0.06

Context: 393.192

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-38)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 393.192 m
- From: 3.05 m
- To: 396.24 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:3.05-396.24
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a broad interval.

Evidence · table

> 0.02

Context: 393.192

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-39)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 5.4
- Grade Unit: ppm
- Intercept: 393.192 m
- From: 3.05 m
- To: 396.24 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:3.05-396.24
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade silver over a broad interval.

Evidence · table

> 5.4

Context: 393.192

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-40)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.19
- Grade Unit: %
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:47.24-48.77
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: An exceptional copper grade over a very narrow width, indicating a localized high-grade zone.

- Positive factor: Exceptional grade for porphyry copper

- Negative factor: Very narrow intercept width

- Negative factor: True width unknown

Evidence · table

> 1.19

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-41)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.05
- Grade Unit: %
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:47.24-48.77
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a very narrow interval.

Evidence · table

> 0.05

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-42)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:47.24-48.77
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a very narrow interval.

Evidence · table

> 0.02

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-43)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 28.3
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:47.24-48.77
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Strong silver grade over a very narrow interval, adding to the polymetallic value.

Evidence · table

> 28.3

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-44)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.36
- Grade Unit: %
- Intercept: 1.52 m
- From: 155.45 m
- To: 156.97 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:155.45-156.97
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: An exceptional copper grade over a very narrow width, indicating a localized high-grade zone.

- Positive factor: Exceptional grade for porphyry copper

- Negative factor: Very narrow intercept width

- Negative factor: True width unknown

Evidence · table

> 1.36

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-45)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 1.52 m
- From: 155.45 m
- To: 156.97 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:155.45-156.97
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a very narrow interval.

Evidence · table

> 0.04

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-46)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 1.52 m
- From: 155.45 m
- To: 156.97 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:155.45-156.97
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a very narrow interval.

Evidence · table

> 0.01

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-47)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 16.5
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 155.45 m
- To: 156.97 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:155.45-156.97
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Moderate silver grade over a very narrow interval, adding to the polymetallic value.

Evidence · table

> 16.5

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-48)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 0.9
- Grade Unit: %
- Intercept: 60.96 m
- From: 173.74 m
- To: 234.7 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:173.74-234.7
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: An exceptional copper grade over a continuous width, representing a highly significant high-grade zone within the porphyry system.

- Positive factor: Exceptional grade for porphyry copper

- Positive factor: Continuous intercept width

- Negative factor: True width unknown

Evidence · table

> 0.9

Context: 60.96

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-49)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 60.96 m
- From: 173.74 m
- To: 234.7 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:173.74-234.7
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a continuous width.

Evidence · table

> 0.02

Context: 60.96

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-50)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 60.96 m
- From: 173.74 m
- To: 234.7 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:173.74-234.7
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a continuous width.

Evidence · table

> 0.01

Context: 60.96

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-51)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 11.5
- Grade Unit: ppm
- Intercept: 60.96 m
- From: 173.74 m
- To: 234.7 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:173.74-234.7
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Moderate silver grade over a continuous width, adding to the polymetallic value.

Evidence · table

> 11.5

Context: 60.96

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-52)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 0.93
- Grade Unit: %
- Intercept: 60.96 m
- From: 265.18 m
- To: 326.14 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:265.18-326.14
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: An exceptional copper grade over a continuous width, representing another highly significant high-grade zone within the porphyry system.

- Positive factor: Exceptional grade for porphyry copper

- Positive factor: Continuous intercept width

- Negative factor: True width unknown

Evidence · table

> 0.93

Context: 60.96

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-53)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 60.96 m
- From: 265.18 m
- To: 326.14 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:265.18-326.14
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a continuous width.

Evidence · table

> 0.03

Context: 60.96

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-54)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 60.96 m
- From: 265.18 m
- To: 326.14 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:265.18-326.14
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a continuous width.

Evidence · table

> 0.02

Context: 60.96

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-55)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 7.4
- Grade Unit: ppm
- Intercept: 60.96 m
- From: 265.18 m
- To: 326.14 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:265.18-326.14
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade silver over a continuous width, contributing to the polymetallic value.

Evidence · table

> 7.4

Context: 60.96

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-56)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.66
- Grade Unit: %
- Intercept: 7.62 m
- From: 266.7 m
- To: 274.32 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:266.7-274.32
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: An exceptional copper grade over a moderate width, representing a very high-grade sub-interval.

- Positive factor: Exceptional grade for porphyry copper

- Positive factor: Moderate intercept width

- Negative factor: True width unknown

Evidence · table

> 1.66

Context: 7.62

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-57)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 7.62 m
- From: 266.7 m
- To: 274.32 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:266.7-274.32
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a moderate width.

Evidence · table

> 0.01

Context: 7.62

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-58)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 7.62 m
- From: 266.7 m
- To: 274.32 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:266.7-274.32
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a moderate width.

Evidence · table

> 0.01

Context: 7.62

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-59)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 8.9
- Grade Unit: ppm
- Intercept: 7.62 m
- From: 266.7 m
- To: 274.32 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:266.7-274.32
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade silver over a moderate width.

Evidence · table

> 8.9

Context: 7.62

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-60)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.47
- Grade Unit: %
- Intercept: 13.72 m
- From: 301.75 m
- To: 315.47 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:301.75-315.47
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: An exceptional copper grade over a moderate width, representing a very high-grade sub-interval.

- Positive factor: Exceptional grade for porphyry copper

- Positive factor: Moderate intercept width

- Negative factor: True width unknown

Evidence · table

> 1.47

Context: 13.72

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-61)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 13.72 m
- From: 301.75 m
- To: 315.47 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:301.75-315.47
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a moderate width.

Evidence · table

> 0.04

Context: 13.72

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-62)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 13.72 m
- From: 301.75 m
- To: 315.47 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:301.75-315.47
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a moderate width.

Evidence · table

> 0.03

Context: 13.72

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-63)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 13.6
- Grade Unit: ppm
- Intercept: 13.72 m
- From: 301.75 m
- To: 315.47 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:301.75-315.47
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Moderate silver grade over a moderate width, adding to the polymetallic value.

Evidence · table

> 13.6

Context: 13.72

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-64)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.19
- Grade Unit: %
- Intercept: 1.52 m
- From: 336.8 m
- To: 338.33 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:336.8-338.33
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: An exceptional copper grade over a very narrow width, indicating a localized high-grade zone.

- Positive factor: Exceptional grade for porphyry copper

- Negative factor: Very narrow intercept width

- Negative factor: True width unknown

Evidence · table

> 1.19

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-65)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 1.52 m
- From: 336.8 m
- To: 338.33 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:336.8-338.33
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a very narrow interval.

Evidence · table

> 0.04

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-66)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 1.52 m
- From: 336.8 m
- To: 338.33 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:336.8-338.33
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a very narrow interval.

Evidence · table

> 0.01

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-67)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 10
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 336.8 m
- To: 338.33 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:336.8-338.33
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Moderate silver grade over a very narrow interval.

Evidence · table

> 10

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-68)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.06
- Grade Unit: %
- Intercept: 1.52 m
- From: 349 m
- To: 350.52 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:349-350.52
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: An exceptional copper grade over a very narrow width, indicating a localized high-grade zone.

- Positive factor: Exceptional grade for porphyry copper

- Negative factor: Very narrow intercept width

- Negative factor: True width unknown

Evidence · table

> 1.06

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-69)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 1.52 m
- From: 349 m
- To: 350.52 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:349-350.52
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a very narrow interval.

Evidence · table

> 0.04

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-70)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 1.52 m
- From: 349 m
- To: 350.52 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:349-350.52
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a very narrow interval.

Evidence · table

> 0.02

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-71)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 9.6
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 349 m
- To: 350.52 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:349-350.52
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade silver over a very narrow interval.

Evidence · table

> 9.6

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-72)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.09
- Grade Unit: %
- Intercept: 1.52 m
- From: 379.48 m
- To: 381 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:379.48-381
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: An exceptional copper grade over a very narrow width, indicating a localized high-grade zone.

- Positive factor: Exceptional grade for porphyry copper

- Negative factor: Very narrow intercept width

- Negative factor: True width unknown

Evidence · table

> 1.09

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-73)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.05
- Grade Unit: %
- Intercept: 1.52 m
- From: 379.48 m
- To: 381 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:379.48-381
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a very narrow interval.

Evidence · table

> 0.05

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-74)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 1.52 m
- From: 379.48 m
- To: 381 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:379.48-381
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a very narrow interval.

Evidence · table

> 0.01

Context: 1.52

### SUN26-002R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-75)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 8.9
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 379.48 m
- To: 381 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-002R\*:379.48-381
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade silver over a very narrow interval.

Evidence · table

> 8.9

Context: 1.52

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-76)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 0.25
- Grade Unit: %
- Intercept: 300.23 m
- From: 4.57 m
- To: 304.8 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:4.57-304.8
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: A very broad intercept of moderate-grade copper for a porphyry system, indicating significant mineralization from surface.

- Positive factor: Broad intercept width

- Positive factor: Moderate grade for porphyry copper

- Negative factor: True width unknown

Evidence · table

> 0.25

Context: 300.23

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-77)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 300.23 m
- From: 4.57 m
- To: 304.8 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:4.57-304.8
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a broad interval.

Evidence · table

> 0.10

Context: 300.23

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-78)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 300.23 m
- From: 4.57 m
- To: 304.8 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:4.57-304.8
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a broad interval.

Evidence · table

> 0.03

Context: 300.23

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-79)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 2.9
- Grade Unit: ppm
- Intercept: 300.23 m
- From: 4.57 m
- To: 304.8 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:4.57-304.8
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade silver over a broad interval.

Evidence · table

> 2.9

Context: 300.23

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-80)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 0.64
- Grade Unit: %
- Intercept: 53.34 m
- From: 7.62 m
- To: 60.96 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:7.62-60.96
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: A strong copper grade over a continuous width, indicating a significant near-surface zone.

- Positive factor: Strong grade for porphyry copper

- Positive factor: Continuous intercept width

- Negative factor: True width unknown

Evidence · table

> 0.64

Context: 53.34

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-81)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.12
- Grade Unit: %
- Intercept: 53.34 m
- From: 7.62 m
- To: 60.96 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:7.62-60.96
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a continuous width.

Evidence · table

> 0.12

Context: 53.34

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-82)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 53.34 m
- From: 7.62 m
- To: 60.96 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:7.62-60.96
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a continuous width.

Evidence · table

> 0.04

Context: 53.34

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-83)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 8.7
- Grade Unit: ppm
- Intercept: 53.34 m
- From: 7.62 m
- To: 60.96 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:7.62-60.96
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade silver over a continuous width.

Evidence · table

> 8.7

Context: 53.34

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-84)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.04
- Grade Unit: %
- Intercept: 12.19 m
- From: 15.24 m
- To: 27.43 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:15.24-27.43
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: An exceptional copper grade over a moderate width, representing a very high-grade sub-interval near surface.

- Positive factor: Exceptional grade for porphyry copper

- Positive factor: Moderate intercept width

- Negative factor: True width unknown

Evidence · table

> 1.04

Context: 12.19

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-85)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 12.19 m
- From: 15.24 m
- To: 27.43 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:15.24-27.43
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a moderate width.

Evidence · table

> 0.02

Context: 12.19

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-86)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 12.19 m
- From: 15.24 m
- To: 27.43 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:15.24-27.43
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a moderate width.

Evidence · table

> 0.02

Context: 12.19

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-87)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 9
- Grade Unit: ppm
- Intercept: 12.19 m
- From: 15.24 m
- To: 27.43 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:15.24-27.43
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade silver over a moderate width.

Evidence · table

> 9.0

Context: 12.19

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-88)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 0.11
- Grade Unit: %
- Intercept: 1.52 m
- From: 35.05 m
- To: 36.58 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:35.05-36.58
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade copper over a very narrow interval.

- Negative factor: Low grade

- Negative factor: Very narrow intercept width

- Negative factor: True width unknown

Evidence · table

> 0.11

Context: 1.52

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-89)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.84
- Grade Unit: %
- Intercept: 1.52 m
- From: 35.05 m
- To: 36.58 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:35.05-36.58
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Moderate zinc grade over a very narrow interval, indicating localized zinc enrichment.

Evidence · table

> 0.84

Context: 1.52

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-90)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.15
- Grade Unit: %
- Intercept: 1.52 m
- From: 35.05 m
- To: 36.58 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:35.05-36.58
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade lead over a very narrow interval.

Evidence · table

> 0.15

Context: 1.52

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-91)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 5.2
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 35.05 m
- To: 36.58 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:35.05-36.58
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade silver over a very narrow interval.

Evidence · table

> 5.2

Context: 1.52

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-92)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.21
- Grade Unit: %
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:47.24-48.77
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: An exceptional copper grade over a very narrow width, indicating a localized high-grade zone.

- Positive factor: Exceptional grade for porphyry copper

- Negative factor: Very narrow intercept width

- Negative factor: True width unknown

Evidence · table

> 1.21

Context: 1.52

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-93)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.13
- Grade Unit: %
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:47.24-48.77
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a very narrow interval.

Evidence · table

> 0.13

Context: 1.52

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-94)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:47.24-48.77
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a very narrow interval.

Evidence · table

> 0.04

Context: 1.52

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-95)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 8.6
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:47.24-48.77
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade silver over a very narrow interval.

Evidence · table

> 8.6

Context: 1.52

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-96)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.2
- Grade Unit: %
- Intercept: 1.52 m
- From: 53.34 m
- To: 54.86 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:53.34-54.86
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: An exceptional copper grade over a very narrow width, indicating a localized high-grade zone.

- Positive factor: Exceptional grade for porphyry copper

- Negative factor: Very narrow intercept width

- Negative factor: True width unknown

Evidence · table

> 1.20

Context: 1.52

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-97)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 1.52 m
- From: 53.34 m
- To: 54.86 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:53.34-54.86
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a very narrow interval.

Evidence · table

> 0.03

Context: 1.52

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-98)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 1.52 m
- From: 53.34 m
- To: 54.86 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:53.34-54.86
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a very narrow interval.

Evidence · table

> 0.03

Context: 1.52

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-99)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 11.8
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 53.34 m
- To: 54.86 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:53.34-54.86
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Moderate silver grade over a very narrow interval.

Evidence · table

> 11.8

Context: 1.52

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-100)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 3.04
- Grade Unit: %
- Intercept: 1.52 m
- From: 57.91 m
- To: 59.44 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:57.91-59.44
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: An exceptionally high-grade copper intercept over a very narrow width, representing a bonanza zone near surface.

- Positive factor: Exceptional grade for porphyry copper

- Positive factor: Bonanza intercept

- Negative factor: Very narrow intercept width

- Negative factor: True width unknown

Evidence · table

> 3.04

Context: 1.52

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-101)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 1.52 m
- From: 57.91 m
- To: 59.44 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:57.91-59.44
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a very narrow interval.

Evidence · table

> 0.04

Context: 1.52

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-102)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 42.4
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 57.91 m
- To: 59.44 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:57.91-59.44
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Strong silver grade over a very narrow interval, significantly contributing to the polymetallic value.

Evidence · table

> 42.4

Context: 1.52

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-103)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 0.08
- Grade Unit: %
- Intercept: 1.52 m
- From: 156.97 m
- To: 158.5 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:156.97-158.5
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade copper over a very narrow interval.

- Negative factor: Low grade

- Negative factor: Very narrow intercept width

- Negative factor: True width unknown

Evidence · table

> 0.08

Context: 1.52

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-104)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 1.52 m
- From: 156.97 m
- To: 158.5 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:156.97-158.5
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a very narrow interval.

Evidence · table

> 0.03

Context: 1.52

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-105)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 1.52 m
- From: 156.97 m
- To: 158.5 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:156.97-158.5
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a very narrow interval.

Evidence · table

> 0.01

Context: 1.52

### SUN26-003R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-106)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 0.6
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 156.97 m
- To: 158.5 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R\*:156.97-158.5
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Very low-grade silver over a very narrow interval.

Evidence · table

> 0.6

Context: 1.52

### SUN26-004R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-107)

Sunnyside Project · copper

#### Identity

- Hole ID: SUN26-004R\*
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 0.12
- Grade Unit: %
- Intercept: 21.34 m
- From: 3.05 m
- To: 24.38 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-004R\*:3.05-24.38
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade copper over a narrow interval, less significant than other holes.

- Negative factor: Low grade

- Negative factor: True width unknown

Evidence · table

> 0.12

Context: 21.34

### SUN26-004R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-108)

Sunnyside Project · zinc

#### Identity

- Hole ID: SUN26-004R\*
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.15
- Grade Unit: %
- Intercept: 21.34 m
- From: 3.05 m
- To: 24.38 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-004R\*:3.05-24.38
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade zinc over a narrow interval.

Evidence · table

> 0.15

Context: 21.34

### SUN26-004R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-109)

Sunnyside Project · lead

#### Identity

- Hole ID: SUN26-004R\*
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 21.34 m
- From: 3.05 m
- To: 24.38 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-004R\*:3.05-24.38
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Trace lead grades over a narrow interval.

Evidence · table

> 0.04

Context: 21.34

### SUN26-004R\*

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-110)

Sunnyside Project · silver

#### Identity

- Hole ID: SUN26-004R\*
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 6
- Grade Unit: ppm
- Intercept: 21.34 m
- From: 3.05 m
- To: 24.38 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-004R\*:3.05-24.38
- Mining Method: open\_pit

#### QA/QC

- Laboratory: Skyline Assayers &amp; Laboratories
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Low-grade silver over a narrow interval.

Evidence · table

> 6

Context: 21.34

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-111)

Sunnyside Project · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 111.25 m
- From: 305 m
- To: 114.3 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:305-114.3
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.4 % copper is strong against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 44.5 %·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.4 % copper is strong on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.4

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-112)

Sunnyside Project · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.12
- Grade Unit: %
- Intercept: 111.25 m
- From: 305 m
- To: 114.3 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:305-114.3
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.12 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 13.3 %·m is below.

- Negative factor: 0.12 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.12

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-113)

Sunnyside Project · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 111.25 m
- From: 305 m
- To: 114.3 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:305-114.3
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.03 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 3.3 %·m is below.

- Negative factor: 0.03 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.03

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-114)

Sunnyside Project · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 5.6
- Grade Unit: ppm
- Intercept: 111.25 m
- From: 305 m
- To: 114.3 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:305-114.3
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table: 5.6 ppm silver, reported in a unit the rubric does not cover \(g/t\).

- Negative factor: Grade unit ppm does not match the silver rubric unit g/t; not scored.

Evidence · table

> 5.6

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-115)

Sunnyside Project · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.26
- Grade Unit: %
- Intercept: 6.1 m
- From: 53.34 m
- To: 59.44 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:53.34-59.44
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.26 % copper is exceptional against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 7.7 %·m is below \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.26 % copper is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.26

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-116)

Sunnyside Project · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 6.1 m
- From: 53.34 m
- To: 59.44 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:53.34-59.44
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.04 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.2 %·m is below.

- Negative factor: 0.04 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.04

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-117)

Sunnyside Project · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 6.1 m
- From: 53.34 m
- To: 59.44 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:53.34-59.44
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.03 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.2 %·m is below.

- Negative factor: 0.03 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.03

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-118)

Sunnyside Project · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 12.8
- Grade Unit: ppm
- Intercept: 6.1 m
- From: 53.34 m
- To: 59.44 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:53.34-59.44
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table: 12.8 ppm silver, reported in a unit the rubric does not cover \(g/t\).

- Negative factor: Grade unit ppm does not match the silver rubric unit g/t; not scored.

Evidence · table

> 12.8

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-119)

Sunnyside Project · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.34
- Grade Unit: %
- Intercept: 1.52 m
- From: 74.68 m
- To: 76.2 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:74.68-76.2
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.34 % copper is exceptional against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 2.0 %·m is below \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.34 % copper is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.34

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-120)

Sunnyside Project · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 1.52 m
- From: 74.68 m
- To: 76.2 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:74.68-76.2
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.04 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.04 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.04

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-121)

Sunnyside Project · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 1.52 m
- From: 74.68 m
- To: 76.2 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:74.68-76.2
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.0 %·m is below.

- Negative factor: 0.02 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.02

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-122)

Sunnyside Project · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 13.6
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 74.68 m
- To: 76.2 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:74.68-76.2
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table: 13.6 ppm silver, reported in a unit the rubric does not cover \(g/t\).

- Negative factor: Grade unit ppm does not match the silver rubric unit g/t; not scored.

Evidence · table

> 13.6

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-123)

Sunnyside Project · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 0.95
- Grade Unit: %
- Intercept: 39.62 m
- From: 248.41 m
- To: 288.04 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:248.41-288.04
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.95 % copper is exceptional against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 37.6 %·m is weak \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 0.95 % copper is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.95

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-124)

Sunnyside Project · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.05
- Grade Unit: %
- Intercept: 39.62 m
- From: 248.41 m
- To: 288.04 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:248.41-288.04
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.05 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 2.0 %·m is below.

- Negative factor: 0.05 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.05

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-125)

Sunnyside Project · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 11.77
- Grade Unit: ppm
- Intercept: 39.62 m
- From: 248.41 m
- To: 288.04 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:248.41-288.04
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table: 11.77 ppm silver, reported in a unit the rubric does not cover \(g/t\).

- Negative factor: Grade unit ppm does not match the silver rubric unit g/t; not scored.

Evidence · table

> 11.77

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-126)

Sunnyside Project · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.45
- Grade Unit: %
- Intercept: 12.19 m
- From: 251.46 m
- To: 263.65 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:251.46-263.65
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.45 % copper is exceptional against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 17.7 %·m is below \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.45 % copper is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.45

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-127)

Sunnyside Project · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.05
- Grade Unit: %
- Intercept: 12.19 m
- From: 251.46 m
- To: 263.65 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:251.46-263.65
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.05 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.6 %·m is below.

- Negative factor: 0.05 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.05

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-128)

Sunnyside Project · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 17.85
- Grade Unit: ppm
- Intercept: 12.19 m
- From: 251.46 m
- To: 263.65 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:251.46-263.65
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table: 17.85 ppm silver, reported in a unit the rubric does not cover \(g/t\).

- Negative factor: Grade unit ppm does not match the silver rubric unit g/t; not scored.

Evidence · table

> 17.85

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-129)

Sunnyside Project · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.05
- Grade Unit: %
- Intercept: 13.72 m
- From: 274.32 m
- To: 288.04 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:274.32-288.04
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.05 % copper is exceptional against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 14.4 %·m is below \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.05 % copper is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.05

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-130)

Sunnyside Project · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 13.72 m
- From: 274.32 m
- To: 288.04 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:274.32-288.04
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.04 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.5 %·m is below.

- Negative factor: 0.04 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.04

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-131)

Sunnyside Project · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 12.4
- Grade Unit: ppm
- Intercept: 13.72 m
- From: 274.32 m
- To: 288.04 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:274.32-288.04
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table: 12.4 ppm silver, reported in a unit the rubric does not cover \(g/t\).

- Negative factor: Grade unit ppm does not match the silver rubric unit g/t; not scored.

Evidence · table

> 12.4

Context: incl.

### incl

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-132)

Sunnyside Project · copper

#### Identity

- Hole ID: incl
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 2.745
- Grade Unit: %
- Intercept: 3.05 m
- From: 313.94 m
- To: 316.99 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl:313.94-316.99
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 2.745 % copper is exceptional against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 8.4 %·m is below \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 2.745 % copper is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 2.745

Context: incl

### incl

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-133)

Sunnyside Project · zinc

#### Identity

- Hole ID: incl
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.23
- Grade Unit: %
- Intercept: 3.05 m
- From: 313.94 m
- To: 316.99 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl:313.94-316.99
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.23 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.7 %·m is below.

- Negative factor: 0.23 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.23

Context: incl

### incl

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-134)

Sunnyside Project · silver

#### Identity

- Hole ID: incl
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 73.5
- Grade Unit: ppm
- Intercept: 3.05 m
- From: 313.94 m
- To: 316.99 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl:313.94-316.99
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table: 73.5 ppm silver, reported in a unit the rubric does not cover \(g/t\).

- Negative factor: Grade unit ppm does not match the silver rubric unit g/t; not scored.

Evidence · table

> 73.5

Context: incl

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-135)

Sunnyside Project · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 0.3575
- Grade Unit: %
- Intercept: 59.44 m
- From: 397.76 m
- To: 457.2 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:397.76-457.2
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3575 % copper is moderate against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 21.2 %·m is weak \(grade alone is moderate; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.3575

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-136)

Sunnyside Project · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 59.44 m
- From: 397.76 m
- To: 457.2 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:397.76-457.2
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.03 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 1.8 %·m is below.

- Negative factor: 0.03 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.03

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-137)

Sunnyside Project · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 4.5
- Grade Unit: ppm
- Intercept: 59.44 m
- From: 397.76 m
- To: 457.2 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:397.76-457.2
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table: 4.5 ppm silver, reported in a unit the rubric does not cover \(g/t\).

- Negative factor: Grade unit ppm does not match the silver rubric unit g/t; not scored.

Evidence · table

> 4.5

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-138)

Sunnyside Project · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.07
- Grade Unit: %
- Intercept: 1.52 m
- From: 414.53 m
- To: 416.05 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:414.53-416.05
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.07 % copper is exceptional against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 1.6 %·m is below \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.07 % copper is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.07

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-139)

Sunnyside Project · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.05
- Grade Unit: %
- Intercept: 1.52 m
- From: 414.53 m
- To: 416.05 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:414.53-416.05
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.05 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.05 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.05

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-140)

Sunnyside Project · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 11.5
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 414.53 m
- To: 416.05 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:414.53-416.05
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table: 11.5 ppm silver, reported in a unit the rubric does not cover \(g/t\).

- Negative factor: Grade unit ppm does not match the silver rubric unit g/t; not scored.

Evidence · table

> 11.5

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-141)

Sunnyside Project · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.01
- Grade Unit: %
- Intercept: 1.52 m
- From: 452.63 m
- To: 454.15 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:452.63-454.15
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.01 % copper is exceptional against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 1.5 %·m is below \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.01 % copper is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.01

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-142)

Sunnyside Project · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 3.7
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 452.63 m
- To: 454.15 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:452.63-454.15
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table: 3.7 ppm silver, reported in a unit the rubric does not cover \(g/t\).

- Negative factor: Grade unit ppm does not match the silver rubric unit g/t; not scored.

Evidence · table

> 3.7

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-143)

Sunnyside Project · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.19
- Grade Unit: %
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:47.24-48.77
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.19 % copper is exceptional against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 1.8 %·m is below \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.19 % copper is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.19

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-144)

Sunnyside Project · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.05
- Grade Unit: %
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:47.24-48.77
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.05 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.05 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.05

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-145)

Sunnyside Project · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:47.24-48.77
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.0 %·m is below.

- Negative factor: 0.02 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.02

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-146)

Sunnyside Project · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 28.3
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:47.24-48.77
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table: 28.3 ppm silver, reported in a unit the rubric does not cover \(g/t\).

- Negative factor: Grade unit ppm does not match the silver rubric unit g/t; not scored.

Evidence · table

> 28.3

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-147)

Sunnyside Project · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.36
- Grade Unit: %
- Intercept: 1.52 m
- From: 155.45 m
- To: 156.97 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:155.45-156.97
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.36 % copper is exceptional against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 2.1 %·m is below \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.36 % copper is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.36

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-148)

Sunnyside Project · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 1.52 m
- From: 155.45 m
- To: 156.97 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:155.45-156.97
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.04 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.04 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.04

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-149)

Sunnyside Project · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 1.52 m
- From: 155.45 m
- To: 156.97 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:155.45-156.97
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.01 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.0 %·m is below.

- Negative factor: 0.01 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.01

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-150)

Sunnyside Project · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 16.5
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 155.45 m
- To: 156.97 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:155.45-156.97
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table: 16.5 ppm silver, reported in a unit the rubric does not cover \(g/t\).

- Negative factor: Grade unit ppm does not match the silver rubric unit g/t; not scored.

Evidence · table

> 16.5

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-151)

Sunnyside Project · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 0.9
- Grade Unit: %
- Intercept: 60.96 m
- From: 173.74 m
- To: 234.7 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:173.74-234.7
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.9 % copper is exceptional against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 54.9 %·m is weak \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 0.9 % copper is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.9

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-152)

Sunnyside Project · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 60.96 m
- From: 173.74 m
- To: 234.7 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:173.74-234.7
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 1.2 %·m is below.

- Negative factor: 0.02 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.02

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-153)

Sunnyside Project · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 60.96 m
- From: 173.74 m
- To: 234.7 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:173.74-234.7
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.01 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.6 %·m is below.

- Negative factor: 0.01 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.01

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-154)

Sunnyside Project · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 11.5
- Grade Unit: ppm
- Intercept: 60.96 m
- From: 173.74 m
- To: 234.7 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:173.74-234.7
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table: 11.5 ppm silver, reported in a unit the rubric does not cover \(g/t\).

- Negative factor: Grade unit ppm does not match the silver rubric unit g/t; not scored.

Evidence · table

> 11.5

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-155)

Sunnyside Project · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 0.93
- Grade Unit: %
- Intercept: 60.96 m
- From: 265.18 m
- To: 326.14 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:265.18-326.14
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.93 % copper is exceptional against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 56.7 %·m is weak \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 0.93 % copper is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.93

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-156)

Sunnyside Project · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 60.96 m
- From: 265.18 m
- To: 326.14 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:265.18-326.14
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.03 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 1.8 %·m is below.

- Negative factor: 0.03 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.03

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-157)

Sunnyside Project · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 60.96 m
- From: 265.18 m
- To: 326.14 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:265.18-326.14
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 1.2 %·m is below.

- Negative factor: 0.02 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.02

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-158)

Sunnyside Project · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 7.4
- Grade Unit: ppm
- Intercept: 60.96 m
- From: 265.18 m
- To: 326.14 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:265.18-326.14
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table: 7.4 ppm silver, reported in a unit the rubric does not cover \(g/t\).

- Negative factor: Grade unit ppm does not match the silver rubric unit g/t; not scored.

Evidence · table

> 7.4

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-159)

Sunnyside Project · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.66
- Grade Unit: %
- Intercept: 7.62 m
- From: 266.7 m
- To: 274.32 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:266.7-274.32
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.66 % copper is exceptional against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 12.6 %·m is below \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.66 % copper is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.66

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-160)

Sunnyside Project · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 7.62 m
- From: 266.7 m
- To: 274.32 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:266.7-274.32
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.01 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.01 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.01

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-161)

Sunnyside Project · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 7.62 m
- From: 266.7 m
- To: 274.32 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:266.7-274.32
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.01 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.01 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.01

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-162)

Sunnyside Project · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 8.9
- Grade Unit: ppm
- Intercept: 7.62 m
- From: 266.7 m
- To: 274.32 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:266.7-274.32
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table: 8.9 ppm silver, reported in a unit the rubric does not cover \(g/t\).

- Negative factor: Grade unit ppm does not match the silver rubric unit g/t; not scored.

Evidence · table

> 8.9

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-163)

Sunnyside Project · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.19
- Grade Unit: %
- Intercept: 1.52 m
- From: 336.8 m
- To: 338.33 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:336.8-338.33
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.19 % copper is exceptional against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 1.8 %·m is below \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.19 % copper is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.19

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-164)

Sunnyside Project · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 1.52 m
- From: 336.8 m
- To: 338.33 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:336.8-338.33
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.04 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.04 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.04

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-165)

Sunnyside Project · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 1.52 m
- From: 336.8 m
- To: 338.33 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:336.8-338.33
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.01 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.0 %·m is below.

- Negative factor: 0.01 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.01

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-166)

Sunnyside Project · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 10
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 336.8 m
- To: 338.33 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:336.8-338.33
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table: 10 ppm silver, reported in a unit the rubric does not cover \(g/t\).

- Negative factor: Grade unit ppm does not match the silver rubric unit g/t; not scored.

Evidence · table

> 10

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-167)

Sunnyside Project · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: copper
- Ticker: BRO

#### Geometry

- Grade: 1.04
- Grade Unit: %
- Intercept: 12.19 m
- From: 15.24 m
- To: 27.43 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:15.24-27.43
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.04 % copper is exceptional against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 12.7 %·m is below \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.04 % copper is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.04

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-168)

Sunnyside Project · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: zinc
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 12.19 m
- From: 15.24 m
- To: 27.43 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:15.24-27.43
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 0.2 %·m is below.

- Negative factor: 0.02 % zinc is below the weak threshold \(2 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.02

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-169)

Sunnyside Project · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: lead
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 12.19 m
- From: 15.24 m
- To: 27.43 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:15.24-27.43
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.2 %·m is below.

- Negative factor: 0.02 % lead is below the weak threshold \(1 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.02

Context: incl.

### incl.

[Link to this fact](https://atlas-staging.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--6cdf385a-73e4-4e8b-86a0-a445774477d7#fact-drill-facts-170)

Sunnyside Project · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside Project
- Commodity: silver
- Ticker: BRO

#### Geometry

- Grade: 9
- Grade Unit: ppm
- Intercept: 12.19 m
- From: 15.24 m
- To: 27.43 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:15.24-27.43
- Mining Method: open\_pit

#### Review

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

#### Dates

- Event date: 2026-05-04T00:00:00.000Z

Reasoning: Expanded from assay table: 9 ppm silver, reported in a unit the rubric does not cover \(g/t\).

- Negative factor: Grade unit ppm does not match the silver rubric unit g/t; not scored.

Evidence · table

> 9.0

Context: incl.

## 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.
