# 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-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74

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, Lead, Silver

- Document categories: Drill results

- Extracted: 2026-09-15 14:58:56 UTC

Narrative sentiment: 0.80 · Bullish

## Minestarters Atlas summary

Barksdale Resources has announced high-grade copper, zinc, and silver drill results from the first four holes of its 2026 reverse circulation drill program at the Sunnyside Project in Arizona. The program intersected broad zones of shallow mineralization within the Sunnyside Monzonite Porphyry, with highlights including 0.93% Cu over 60.96m and 0.90% Cu over 60.96m in hole SUN26-002R. The company's exploration efforts are focused on expanding the mineral footprint laterally and testing new targets, with all holes ending in mineralization.

Reasoning: Barksdale's initial drill results from the Sunnyside Project reveal significant high-grade copper mineralization within a porphyry system, including two broad intervals exceeding 0.9% Cu over 60.96m, which are exceptional for a porphyry deposit. The program successfully extended mineralization and confirmed the porphyry style, indicating strong potential. However, the lack of true width disclosure and a clear typo in one table interval introduce minor uncertainties.

- Positive factor: High grade copper intercepts

- Positive factor: Broad zones of mineralization

- Positive factor: Porphyry deposit type

- Positive factor: Multiple bonanza intercepts

- Positive factor: Step-Out Extension

- Positive factor: QA/QC Disclosed

- Positive factor: QP/CP Signed

- Negative factor: Apparent Width Only

- Negative factor: Illogical interval in table

Facts used in scoring: 196

## Classification and evidence

**Bonanza Intercept**

Polarity: positive

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

Why it applies: Multiple copper intercepts, such as 1.26% Cu over 6.10m and 1.45% Cu over 12.19m, are well above the 0.8% exceptional threshold for porphyry copper deposits.

Evidence · table

> 1.26

Context: 6.10

**Step-Out Extension**

Polarity: positive

Definition: Mineralization extended beyond the previously known limit.

Why it applies: The 2026 exploration program is focused on near surface copper and silver targets that can quickly add value to the portfolio, and the company expects continued drilling will expand the mineral footprint laterally in all directions.

Evidence · text

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

**QA/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 mentions 'Sampling and QAQC Protocols' and details the insertion of certified reference materials, blank material, and field duplicates.

Evidence · text

> Sampling and QAQC Protocols

**QP/CP Signed**

Polarity: positive

Story-specific tag

Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience.

Why it applies: Scientific and technical information in this news release has been reviewed and approved by Alan Roberts, Vice President of Exploration of the Company, a Certified Professional Geologist \(CPG\) and a 'Qualified Person' as defined in National Instrument 43-101.

Evidence · text

> Scientific and technical information in this news release has been reviewed and approved by Alan Roberts, Vice President of Exploration of the Company, a Certified Professional Geologist \(CPG\) with the American Institute of Professional Geologist \(AIPG \# 11260\) and is a "Qualified Person" as defined in National Instrument 43-101.

**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 table explicitly states: 'True thickness/widths of mineralization are unknown at this time.'

Evidence · table

> True thickness/widths of mineralization are unknown at this time.

## Extracted facts

Stored fact records: 196. Some facts used in scoring do not have a stored record.

## Drill Results (196)

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-0)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 broad intercept of 454.15m at 0.29% Cu is a strong result for a porphyry copper deposit, indicating significant mineralization from near surface. The hole ending in mineralization suggests further potential at depth.

- Positive factor: Broad zone of mineralization

- Positive factor: Shallow intercept

- Positive factor: Porphyry deposit type

- Negative factor: Apparent Width Only

Evidence · table

> 0.29

Context: 454.15

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-1)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: While a broad intercept, the zinc grade of 0.06% is low and not material on its own, but contributes to the polymetallic nature of the mineralization.

- Positive factor: Broad zone of mineralization

- Negative factor: Low grade for zinc

- Negative factor: Apparent Width Only

Evidence · table

> 0.06

Context: 454.15

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-2)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.02% is very low and not material, but indicates the presence of lead in the polymetallic system.

- Positive factor: Broad zone of mineralization

- Negative factor: Very low grade for lead

- Negative factor: Apparent Width Only

Evidence · table

> 0.02

Context: 454.15

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-3)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 4.8 ppm is low for a broad intercept, but contributes to the polymetallic nature of the mineralization.

- Positive factor: Broad zone of mineralization

- Negative factor: Low grade for silver

- Negative factor: Apparent Width Only

Evidence · table

> 4.8

Context: 454.15

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-4)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.4
- Grade Unit: %
- Intercept: 111.25 m
- From: 305 m
- To: 114.3 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 111.25m intercept at 0.4% Cu is a moderate result for a porphyry, but the reported from/to depths are illogical \(from 305m to 114.3m\), which reduces confidence in the exact interval details.

- Positive factor: Moderate grade for copper

- Positive factor: Significant intercept length

- Negative factor: Apparent Width Only

- Negative factor: Illogical interval in table

Evidence · table

> 0.4

Context: 111.25

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-5)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.12
- Grade Unit: %
- Intercept: 111.25 m
- From: 305 m
- To: 114.3 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.12% is low and not material, and the illogical interval further reduces confidence.

- Negative factor: Low grade for zinc

- Negative factor: Apparent Width Only

- Negative factor: Illogical interval in table

Evidence · table

> 0.12

Context: 111.25

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-6)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 111.25 m
- From: 305 m
- To: 114.3 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.03% is very low and not material, and the illogical interval further reduces confidence.

- Negative factor: Very low grade for lead

- Negative factor: Apparent Width Only

- Negative factor: Illogical interval in table

Evidence · table

> 0.03

Context: 111.25

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-7)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 5.6
- Grade Unit: ppm
- Intercept: 111.25 m
- From: 305 m
- To: 114.3 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 5.6 ppm is low and not material, and the illogical interval further reduces confidence.

- Negative factor: Low grade for silver

- Negative factor: Apparent Width Only

- Negative factor: Illogical interval in table

Evidence · table

> 5.6

Context: 111.25

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-8)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 1.26
- Grade Unit: %
- Intercept: 6.1 m
- From: 53.34 m
- To: 59.44 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 6.1m intercept at 1.26% Cu is an exceptional result for a porphyry copper deposit, well above the strong threshold, indicating a high-grade zone near surface.

- Positive factor: Bonanza Intercept

- Positive factor: High grade for copper

- Positive factor: Shallow intercept

- Negative factor: Apparent Width Only

Evidence · table

> 1.26

Context: 6.10

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-9)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 6.1 m
- From: 53.34 m
- To: 59.44 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.04% is very low and not material, but contributes to the polymetallic nature of the mineralization.

- Negative factor: Very low grade for zinc

- Negative factor: Apparent Width Only

Evidence · table

> 0.04

Context: 6.10

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-10)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 6.1 m
- From: 53.34 m
- To: 59.44 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.03% is very low and not material, but indicates the presence of lead in the polymetallic system.

- Negative factor: Very low grade for lead

- Negative factor: Apparent Width Only

Evidence · table

> 0.03

Context: 6.10

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-11)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 12.8
- Grade Unit: ppm
- Intercept: 6.1 m
- From: 53.34 m
- To: 59.44 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 12.8 ppm is low for a narrow intercept, but contributes to the polymetallic nature of the mineralization.

- Negative factor: Low grade for silver

- Negative factor: Apparent Width Only

Evidence · table

> 12.8

Context: 6.10

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-12)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 1.34
- Grade Unit: %
- Intercept: 1.52 m
- From: 74.68 m
- To: 76.2 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 1.52m intercept at 1.34% Cu is an exceptional grade for a porphyry, but the narrow width limits its overall materiality.

- Positive factor: Bonanza Intercept

- Positive factor: High grade for copper

- Positive factor: Shallow intercept

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 1.34

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-13)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 1.52 m
- From: 74.68 m
- To: 76.2 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.04% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for zinc

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.04

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-14)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 1.52 m
- From: 74.68 m
- To: 76.2 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.02% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for lead

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.02

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-15)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 13.6
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 74.68 m
- To: 76.2 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 13.6 ppm is low for this narrow intercept.

- Negative factor: Low grade for silver

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 13.6

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-16)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.95
- Grade Unit: %
- Intercept: 39.62 m
- From: 248.41 m
- To: 288.04 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 39.62m intercept at 0.95% Cu is an exceptional result for a porphyry copper deposit, well above the strong threshold, indicating a significant high-grade zone.

- Positive factor: Bonanza Intercept

- Positive factor: High grade for copper

- Positive factor: Significant intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.95

Context: 39.62

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-17)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.05
- Grade Unit: %
- Intercept: 39.62 m
- From: 248.41 m
- To: 288.04 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.05% is very low and not material for this intercept.

- Negative factor: Very low grade for zinc

- Negative factor: Apparent Width Only

Evidence · table

> 0.05

Context: 39.62

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-18)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade Unit: %
- Intercept: 39.62 m
- From: 248.41 m
- To: 288.04 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: Lead is reported as 'NSV' \(No Significant Value\), indicating it is not material for this intercept.

- Negative factor: No significant value for lead

- Negative factor: Apparent Width Only

Evidence · table

> NSV

Context: 39.62

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-19)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 11.77
- Grade Unit: ppm
- Intercept: 39.62 m
- From: 248.41 m
- To: 288.04 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 11.77 ppm is low for this intercept, but contributes to the polymetallic nature of the mineralization.

- Negative factor: Low grade for silver

- Negative factor: Apparent Width Only

Evidence · table

> 11.77

Context: 39.62

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-20)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 1.45
- Grade Unit: %
- Intercept: 12.19 m
- From: 251.46 m
- To: 263.65 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 12.19m intercept at 1.45% Cu is an exceptional result for a porphyry copper deposit, well above the strong threshold, indicating a high-grade zone.

- Positive factor: Bonanza Intercept

- Positive factor: High grade for copper

- Positive factor: Significant intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 1.45

Context: 12.19

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-21)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.05
- Grade Unit: %
- Intercept: 12.19 m
- From: 251.46 m
- To: 263.65 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.05% is very low and not material for this intercept.

- Negative factor: Very low grade for zinc

- Negative factor: Apparent Width Only

Evidence · table

> 0.05

Context: 12.19

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-22)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade Unit: %
- Intercept: 12.19 m
- From: 251.46 m
- To: 263.65 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: Lead is reported as 'NSV' \(No Significant Value\), indicating it is not material for this intercept.

- Negative factor: No significant value for lead

- Negative factor: Apparent Width Only

Evidence · table

> NSV

Context: 12.19

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-23)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 17.85
- Grade Unit: ppm
- Intercept: 12.19 m
- From: 251.46 m
- To: 263.65 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 17.85 ppm is low for this intercept, but contributes to the polymetallic nature of the mineralization.

- Negative factor: Low grade for silver

- Negative factor: Apparent Width Only

Evidence · table

> 17.85

Context: 12.19

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-24)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 1.05
- Grade Unit: %
- Intercept: 13.72 m
- From: 274.32 m
- To: 288.04 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 13.72m intercept at 1.05% Cu is an exceptional result for a porphyry copper deposit, well above the strong threshold, indicating a high-grade zone.

- Positive factor: Bonanza Intercept

- Positive factor: High grade for copper

- Positive factor: Significant intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 1.05

Context: 13.72

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-25)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 13.72 m
- From: 274.32 m
- To: 288.04 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.04% is very low and not material for this intercept.

- Negative factor: Very low grade for zinc

- Negative factor: Apparent Width Only

Evidence · table

> 0.04

Context: 13.72

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-26)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade Unit: %
- Intercept: 13.72 m
- From: 274.32 m
- To: 288.04 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: Lead is reported as 'NSV' \(No Significant Value\), indicating it is not material for this intercept.

- Negative factor: No significant value for lead

- Negative factor: Apparent Width Only

Evidence · table

> NSV

Context: 13.72

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-27)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 12.4
- Grade Unit: ppm
- Intercept: 13.72 m
- From: 274.32 m
- To: 288.04 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 12.4 ppm is low for this intercept, but contributes to the polymetallic nature of the mineralization.

- Negative factor: Low grade for silver

- Negative factor: Apparent Width Only

Evidence · table

> 12.4

Context: 13.72

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-28)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 2.745
- Grade Unit: %
- Intercept: 3.05 m
- From: 313.94 m
- To: 316.99 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 3.05m intercept at 2.745% Cu is an exceptional result for a porphyry copper deposit, well above the exceptional threshold, indicating a very high-grade zone.

- Positive factor: Bonanza Intercept

- Positive factor: Exceptional grade for copper

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 2.745

Context: 3.05

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-29)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.23
- Grade Unit: %
- Intercept: 3.05 m
- From: 313.94 m
- To: 316.99 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.23% is low and not material for this narrow intercept.

- Negative factor: Low grade for zinc

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.23

Context: 3.05

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-30)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade Unit: %
- Intercept: 3.05 m
- From: 313.94 m
- To: 316.99 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: Lead is reported as 'NSV' \(No Significant Value\), indicating it is not material for this intercept.

- Negative factor: No significant value for lead

- Negative factor: Apparent Width Only

Evidence · table

> NSV

Context: 3.05

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-31)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 73.5
- Grade Unit: ppm
- Intercept: 3.05 m
- From: 313.94 m
- To: 316.99 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 3.05m intercept at 73.5 ppm Ag is a moderate result for silver, contributing to the polymetallic nature of the mineralization.

- Positive factor: Moderate grade for silver

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 73.5

Context: 3.05

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-32)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.3575
- Grade Unit: %
- Intercept: 59.44 m
- From: 397.76 m
- To: 457.2 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 59.44m intercept at 0.3575% Cu is a moderate result for a porphyry copper deposit, indicating a significant zone of mineralization.

- Positive factor: Moderate grade for copper

- Positive factor: Significant intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.3575

Context: 59.44

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-33)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 59.44 m
- From: 397.76 m
- To: 457.2 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.03% is very low and not material for this intercept.

- Negative factor: Very low grade for zinc

- Negative factor: Apparent Width Only

Evidence · table

> 0.03

Context: 59.44

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-34)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade Unit: %
- Intercept: 59.44 m
- From: 397.76 m
- To: 457.2 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: Lead is reported as 'NSV' \(No Significant Value\), indicating it is not material for this intercept.

- Negative factor: No significant value for lead

- Negative factor: Apparent Width Only

Evidence · table

> NSV

Context: 59.44

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-35)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 4.5
- Grade Unit: ppm
- Intercept: 59.44 m
- From: 397.76 m
- To: 457.2 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 4.5 ppm is low for this intercept, but contributes to the polymetallic nature of the mineralization.

- Negative factor: Low grade for silver

- Negative factor: Apparent Width Only

Evidence · table

> 4.5

Context: 59.44

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-36)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 1.07
- Grade Unit: %
- Intercept: 1.52 m
- From: 414.53 m
- To: 416.05 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 1.52m intercept at 1.07% Cu is an exceptional grade for a porphyry, but the narrow width limits its overall materiality.

- Positive factor: Bonanza Intercept

- Positive factor: High grade for copper

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 1.07

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-37)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.05
- Grade Unit: %
- Intercept: 1.52 m
- From: 414.53 m
- To: 416.05 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.05% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for zinc

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.05

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-38)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade Unit: %
- Intercept: 1.52 m
- From: 414.53 m
- To: 416.05 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: Lead is reported as 'NSV' \(No Significant Value\), indicating it is not material for this intercept.

- Negative factor: No significant value for lead

- Negative factor: Apparent Width Only

Evidence · table

> NSV

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-39)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 11.5
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 414.53 m
- To: 416.05 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 11.5 ppm is low for this narrow intercept.

- Negative factor: Low grade for silver

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 11.5

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-40)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 1.01
- Grade Unit: %
- Intercept: 1.52 m
- From: 452.63 m
- To: 454.15 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 1.52m intercept at 1.01% Cu is an exceptional grade for a porphyry, but the narrow width limits its overall materiality.

- Positive factor: Bonanza Intercept

- Positive factor: High grade for copper

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 1.01

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-41)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade Unit: %
- Intercept: 1.52 m
- From: 452.63 m
- To: 454.15 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: Zinc is reported as 'NSV' \(No Significant Value\), indicating it is not material for this intercept.

- Negative factor: No significant value for zinc

- Negative factor: Apparent Width Only

Evidence · table

> NSV

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-42)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade Unit: %
- Intercept: 1.52 m
- From: 452.63 m
- To: 454.15 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: Lead is reported as 'NSV' \(No Significant Value\), indicating it is not material for this intercept.

- Negative factor: No significant value for lead

- Negative factor: Apparent Width Only

Evidence · table

> NSV

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-43)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-001R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 3.7
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 452.63 m
- To: 454.15 m
- Hole Depth: 457.2 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 3.7 ppm is low for this narrow intercept.

- Negative factor: Low grade for silver

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 3.7

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-44)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 broad intercept of 393.192m at 0.45% Cu is a strong result for a porphyry copper deposit, indicating significant mineralization from near surface. The hole ending in mineralization suggests further potential at depth.

- Positive factor: Broad zone of mineralization

- Positive factor: Strong grade for copper

- Positive factor: Shallow intercept

- Positive factor: Porphyry deposit type

- Negative factor: Apparent Width Only

Evidence · table

> 0.45

Context: 393.192

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-45)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: While a broad intercept, the zinc grade of 0.06% is low and not material on its own, but contributes to the polymetallic nature of the mineralization.

- Positive factor: Broad zone of mineralization

- Negative factor: Low grade for zinc

- Negative factor: Apparent Width Only

Evidence · table

> 0.06

Context: 393.192

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-46)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.02% is very low and not material, but indicates the presence of lead in the polymetallic system.

- Positive factor: Broad zone of mineralization

- Negative factor: Very low grade for lead

- Negative factor: Apparent Width Only

Evidence · table

> 0.02

Context: 393.192

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-47)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 5.4 ppm is low for a broad intercept, but contributes to the polymetallic nature of the mineralization.

- Positive factor: Broad zone of mineralization

- Negative factor: Low grade for silver

- Negative factor: Apparent Width Only

Evidence · table

> 5.4

Context: 393.192

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-48)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 1.19
- Grade Unit: %
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 1.52m intercept at 1.19% Cu is an exceptional grade for a porphyry, but the narrow width limits its overall materiality.

- Positive factor: Bonanza Intercept

- Positive factor: High grade for copper

- Positive factor: Shallow intercept

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 1.19

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-49)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.05
- Grade Unit: %
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.05% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for zinc

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.05

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-50)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.02% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for lead

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.02

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-51)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 28.3
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 28.3 ppm is low for this narrow intercept.

- Negative factor: Low grade for silver

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 28.3

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-52)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 1.36
- Grade Unit: %
- Intercept: 1.52 m
- From: 155.45 m
- To: 156.97 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 1.52m intercept at 1.36% Cu is an exceptional grade for a porphyry, but the narrow width limits its overall materiality.

- Positive factor: Bonanza Intercept

- Positive factor: High grade for copper

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 1.36

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-53)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 1.52 m
- From: 155.45 m
- To: 156.97 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.04% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for zinc

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.04

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-54)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 1.52 m
- From: 155.45 m
- To: 156.97 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.01% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for lead

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.01

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-55)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 16.5
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 155.45 m
- To: 156.97 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 16.5 ppm is low for this narrow intercept.

- Negative factor: Low grade for silver

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 16.5

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-56)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.9
- Grade Unit: %
- Intercept: 60.96 m
- From: 173.74 m
- To: 234.7 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 60.96m intercept at 0.9% Cu is an exceptional result for a porphyry copper deposit, well above the strong threshold, indicating a significant high-grade zone.

- Positive factor: Bonanza Intercept

- Positive factor: High grade for copper

- Positive factor: Significant intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.9

Context: 60.96

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-57)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 60.96 m
- From: 173.74 m
- To: 234.7 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.02% is very low and not material for this intercept.

- Negative factor: Very low grade for zinc

- Negative factor: Apparent Width Only

Evidence · table

> 0.02

Context: 60.96

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-58)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 60.96 m
- From: 173.74 m
- To: 234.7 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.01% is very low and not material for this intercept.

- Negative factor: Very low grade for lead

- Negative factor: Apparent Width Only

Evidence · table

> 0.01

Context: 60.96

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-59)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 11.5
- Grade Unit: ppm
- Intercept: 60.96 m
- From: 173.74 m
- To: 234.7 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 11.5 ppm is low for this intercept, but contributes to the polymetallic nature of the mineralization.

- Negative factor: Low grade for silver

- Negative factor: Apparent Width Only

Evidence · table

> 11.5

Context: 60.96

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-60)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.93
- Grade Unit: %
- Intercept: 60.96 m
- From: 265.18 m
- To: 326.14 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 60.96m intercept at 0.93% Cu is an exceptional result for a porphyry copper deposit, well above the strong threshold, indicating a significant high-grade zone.

- Positive factor: Bonanza Intercept

- Positive factor: High grade for copper

- Positive factor: Significant intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.93

Context: 60.96

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-61)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 60.96 m
- From: 265.18 m
- To: 326.14 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.03% is very low and not material for this intercept.

- Negative factor: Very low grade for zinc

- Negative factor: Apparent Width Only

Evidence · table

> 0.03

Context: 60.96

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-62)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 60.96 m
- From: 265.18 m
- To: 326.14 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.02% is very low and not material for this intercept.

- Negative factor: Very low grade for lead

- Negative factor: Apparent Width Only

Evidence · table

> 0.02

Context: 60.96

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-63)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 7.4
- Grade Unit: ppm
- Intercept: 60.96 m
- From: 265.18 m
- To: 326.14 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 7.4 ppm is low for this intercept, but contributes to the polymetallic nature of the mineralization.

- Negative factor: Low grade for silver

- Negative factor: Apparent Width Only

Evidence · table

> 7.4

Context: 60.96

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-64)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 1.66
- Grade Unit: %
- Intercept: 7.62 m
- From: 266.7 m
- To: 274.32 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 7.62m intercept at 1.66% Cu is an exceptional result for a porphyry copper deposit, well above the exceptional threshold, indicating a high-grade zone.

- Positive factor: Bonanza Intercept

- Positive factor: Exceptional grade for copper

- Positive factor: Significant intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 1.66

Context: 7.62

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-65)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 7.62 m
- From: 266.7 m
- To: 274.32 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.01% is very low and not material for this intercept.

- Negative factor: Very low grade for zinc

- Negative factor: Apparent Width Only

Evidence · table

> 0.01

Context: 7.62

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-66)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 7.62 m
- From: 266.7 m
- To: 274.32 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.01% is very low and not material for this intercept.

- Negative factor: Very low grade for lead

- Negative factor: Apparent Width Only

Evidence · table

> 0.01

Context: 7.62

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-67)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 8.9
- Grade Unit: ppm
- Intercept: 7.62 m
- From: 266.7 m
- To: 274.32 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 8.9 ppm is low for this intercept, but contributes to the polymetallic nature of the mineralization.

- Negative factor: Low grade for silver

- Negative factor: Apparent Width Only

Evidence · table

> 8.9

Context: 7.62

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-68)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 1.47
- Grade Unit: %
- Intercept: 13.72 m
- From: 301.75 m
- To: 315.47 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 13.72m intercept at 1.47% Cu is an exceptional result for a porphyry copper deposit, well above the exceptional threshold, indicating a high-grade zone.

- Positive factor: Bonanza Intercept

- Positive factor: Exceptional grade for copper

- Positive factor: Significant intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 1.47

Context: 13.72

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-69)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 13.72 m
- From: 301.75 m
- To: 315.47 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.04% is very low and not material for this intercept.

- Negative factor: Very low grade for zinc

- Negative factor: Apparent Width Only

Evidence · table

> 0.04

Context: 13.72

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-70)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 13.72 m
- From: 301.75 m
- To: 315.47 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.03% is very low and not material for this intercept.

- Negative factor: Very low grade for lead

- Negative factor: Apparent Width Only

Evidence · table

> 0.03

Context: 13.72

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-71)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 13.6
- Grade Unit: ppm
- Intercept: 13.72 m
- From: 301.75 m
- To: 315.47 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 13.6 ppm is low for this intercept, but contributes to the polymetallic nature of the mineralization.

- Negative factor: Low grade for silver

- Negative factor: Apparent Width Only

Evidence · table

> 13.6

Context: 13.72

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-72)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 1.19
- Grade Unit: %
- Intercept: 1.52 m
- From: 336.8 m
- To: 338.33 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 1.52m intercept at 1.19% Cu is an exceptional grade for a porphyry, but the narrow width limits its overall materiality.

- Positive factor: Bonanza Intercept

- Positive factor: High grade for copper

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 1.19

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-73)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 1.52 m
- From: 336.8 m
- To: 338.33 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.04% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for zinc

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.04

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-74)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 1.52 m
- From: 336.8 m
- To: 338.33 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.01% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for lead

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.01

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-75)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 10
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 336.8 m
- To: 338.33 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 10.0 ppm is low for this narrow intercept.

- Negative factor: Low grade for silver

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 10

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-76)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 1.06
- Grade Unit: %
- Intercept: 1.52 m
- From: 349 m
- To: 350.52 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 1.52m intercept at 1.06% Cu is an exceptional grade for a porphyry, but the narrow width limits its overall materiality.

- Positive factor: Bonanza Intercept

- Positive factor: High grade for copper

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 1.06

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-77)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 1.52 m
- From: 349 m
- To: 350.52 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.04% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for zinc

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.04

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-78)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 1.52 m
- From: 349 m
- To: 350.52 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.02% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for lead

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.02

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-79)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 9.6
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 349 m
- To: 350.52 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 9.6 ppm is low for this narrow intercept.

- Negative factor: Low grade for silver

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 9.6

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-80)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 1.09
- Grade Unit: %
- Intercept: 1.52 m
- From: 379.48 m
- To: 381 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 1.52m intercept at 1.09% Cu is an exceptional grade for a porphyry, but the narrow width limits its overall materiality.

- Positive factor: Bonanza Intercept

- Positive factor: High grade for copper

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 1.09

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-81)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.05
- Grade Unit: %
- Intercept: 1.52 m
- From: 379.48 m
- To: 381 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.05% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for zinc

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.05

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-82)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 1.52 m
- From: 379.48 m
- To: 381 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.01% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for lead

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.01

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-83)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-002R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 8.9
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 379.48 m
- To: 381 m
- Hole Depth: 396.24 m
- Intercept Depth: 3.05 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 8.9 ppm is low for this narrow intercept.

- Negative factor: Low grade for silver

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 8.9

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-84)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 broad intercept of 300.23m at 0.25% Cu is a moderate result for a porphyry copper deposit, indicating significant mineralization from near surface.

- Positive factor: Broad zone of mineralization

- Positive factor: Moderate grade for copper

- Positive factor: Shallow intercept

- Positive factor: Porphyry deposit type

- Negative factor: Apparent Width Only

Evidence · table

> 0.25

Context: 300.23

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-85)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: While a broad intercept, the zinc grade of 0.1% is low and not material on its own, but contributes to the polymetallic nature of the mineralization.

- Positive factor: Broad zone of mineralization

- Negative factor: Low grade for zinc

- Negative factor: Apparent Width Only

Evidence · table

> 0.10

Context: 300.23

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-86)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.03% is very low and not material, but indicates the presence of lead in the polymetallic system.

- Positive factor: Broad zone of mineralization

- Negative factor: Very low grade for lead

- Negative factor: Apparent Width Only

Evidence · table

> 0.03

Context: 300.23

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-87)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 2.9 ppm is very low for a broad intercept, but contributes to the polymetallic nature of the mineralization.

- Positive factor: Broad zone of mineralization

- Negative factor: Low grade for silver

- Negative factor: Apparent Width Only

Evidence · table

> 2.9

Context: 300.23

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-88)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.64
- Grade Unit: %
- Intercept: 53.34 m
- From: 7.62 m
- To: 60.96 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 53.34m intercept at 0.64% Cu is a strong result for a porphyry copper deposit, indicating a significant zone of mineralization near surface.

- Positive factor: Strong grade for copper

- Positive factor: Significant intercept length

- Positive factor: Shallow intercept

- Negative factor: Apparent Width Only

Evidence · table

> 0.64

Context: 53.34

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-89)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.12
- Grade Unit: %
- Intercept: 53.34 m
- From: 7.62 m
- To: 60.96 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.12% is low and not material for this intercept.

- Negative factor: Low grade for zinc

- Negative factor: Apparent Width Only

Evidence · table

> 0.12

Context: 53.34

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-90)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 53.34 m
- From: 7.62 m
- To: 60.96 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.04% is very low and not material for this intercept.

- Negative factor: Very low grade for lead

- Negative factor: Apparent Width Only

Evidence · table

> 0.04

Context: 53.34

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-91)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 8.7
- Grade Unit: ppm
- Intercept: 53.34 m
- From: 7.62 m
- To: 60.96 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 8.7 ppm is low for this intercept, but contributes to the polymetallic nature of the mineralization.

- Negative factor: Low grade for silver

- Negative factor: Apparent Width Only

Evidence · table

> 8.7

Context: 53.34

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-92)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 1.04
- Grade Unit: %
- Intercept: 12.19 m
- From: 15.24 m
- To: 27.43 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 12.19m intercept at 1.04% Cu is an exceptional result for a porphyry copper deposit, well above the strong threshold, indicating a high-grade zone near surface.

- Positive factor: Bonanza Intercept

- Positive factor: High grade for copper

- Positive factor: Significant intercept length

- Positive factor: Shallow intercept

- Negative factor: Apparent Width Only

Evidence · table

> 1.04

Context: 12.19

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-93)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 12.19 m
- From: 15.24 m
- To: 27.43 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.02% is very low and not material for this intercept.

- Negative factor: Very low grade for zinc

- Negative factor: Apparent Width Only

Evidence · table

> 0.02

Context: 12.19

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-94)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 12.19 m
- From: 15.24 m
- To: 27.43 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.02% is very low and not material for this intercept.

- Negative factor: Very low grade for lead

- Negative factor: Apparent Width Only

Evidence · table

> 0.02

Context: 12.19

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-95)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 9
- Grade Unit: ppm
- Intercept: 12.19 m
- From: 15.24 m
- To: 27.43 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 9.0 ppm is low for this intercept.

- Negative factor: Low grade for silver

- Negative factor: Apparent Width Only

Evidence · table

> 9.0

Context: 12.19

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-96)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.11
- Grade Unit: %
- Intercept: 1.52 m
- From: 35.05 m
- To: 36.58 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 1.52m intercept at 0.11% Cu is a very weak result for a porphyry copper deposit, indicating marginal mineralization.

- Negative factor: Very low grade for copper

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.11

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-97)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.84
- Grade Unit: %
- Intercept: 1.52 m
- From: 35.05 m
- To: 36.58 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.84% is low and not material for this narrow intercept.

- Negative factor: Low grade for zinc

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.84

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-98)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.15
- Grade Unit: %
- Intercept: 1.52 m
- From: 35.05 m
- To: 36.58 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.15% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for lead

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.15

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-99)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 5.2
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 35.05 m
- To: 36.58 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 5.2 ppm is low for this narrow intercept.

- Negative factor: Low grade for silver

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 5.2

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-100)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 1.21
- Grade Unit: %
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 1.52m intercept at 1.21% Cu is an exceptional grade for a porphyry, but the narrow width limits its overall materiality.

- Positive factor: Bonanza Intercept

- Positive factor: High grade for copper

- Positive factor: Shallow intercept

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 1.21

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-101)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.13
- Grade Unit: %
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.13% is low and not material for this narrow intercept.

- Negative factor: Low grade for zinc

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.13

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-102)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.04% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for lead

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.04

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-103)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 8.6
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 47.24 m
- To: 48.77 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 8.6 ppm is low for this narrow intercept.

- Negative factor: Low grade for silver

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 8.6

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-104)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 1.2
- Grade Unit: %
- Intercept: 1.52 m
- From: 53.34 m
- To: 54.86 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 1.52m intercept at 1.20% Cu is an exceptional grade for a porphyry, but the narrow width limits its overall materiality.

- Positive factor: Bonanza Intercept

- Positive factor: High grade for copper

- Positive factor: Shallow intercept

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 1.20

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-105)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 1.52 m
- From: 53.34 m
- To: 54.86 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.03% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for zinc

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.03

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-106)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 1.52 m
- From: 53.34 m
- To: 54.86 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.03% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for lead

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.03

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-107)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 11.8
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 53.34 m
- To: 54.86 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 11.8 ppm is low for this narrow intercept.

- Negative factor: Low grade for silver

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 11.8

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-108)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 3.04
- Grade Unit: %
- Intercept: 1.52 m
- From: 57.91 m
- To: 59.44 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 1.52m intercept at 3.04% Cu is an exceptional result for a porphyry copper deposit, well above the exceptional threshold, indicating a very high-grade zone near surface.

- Positive factor: Bonanza Intercept

- Positive factor: Exceptional grade for copper

- Positive factor: Shallow intercept

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 3.04

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-109)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade Unit: %
- Intercept: 1.52 m
- From: 57.91 m
- To: 59.44 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: Zinc is reported as 'NSV' \(No Significant Value\), indicating it is not material for this intercept.

- Negative factor: No significant value for zinc

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> NSV

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-110)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 1.52 m
- From: 57.91 m
- To: 59.44 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.04% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for lead

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.04

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-111)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 42.4
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 57.91 m
- To: 59.44 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

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

#### Location

- Loc. Confidence: high

#### 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 1.52m intercept at 42.4 ppm Ag is a moderate result for silver, contributing to the polymetallic nature of the mineralization.

- Positive factor: Moderate grade for silver

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 42.4

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-112)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.08
- Grade Unit: %
- Intercept: 1.52 m
- From: 156.97 m
- To: 158.5 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R:156.97-158.5
- Mining Method: open\_pit

#### Location

- Loc. Confidence: high

#### 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 1.52m intercept at 0.08% Cu is a very weak result for a porphyry copper deposit, indicating marginal mineralization.

- Negative factor: Very low grade for copper

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.08

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-113)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.03
- Grade Unit: %
- Intercept: 1.52 m
- From: 156.97 m
- To: 158.5 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R:156.97-158.5
- Mining Method: open\_pit

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.03% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for zinc

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.03

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-114)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 1.52 m
- From: 156.97 m
- To: 158.5 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R:156.97-158.5
- Mining Method: open\_pit

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.01% is very low and not material for this narrow intercept.

- Negative factor: Very low grade for lead

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.01

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-115)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-003R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.6
- Grade Unit: ppm
- Intercept: 1.52 m
- From: 156.97 m
- To: 158.5 m
- Hole Depth: 304.8 m
- Intercept Depth: 4.57 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-003R:156.97-158.5
- Mining Method: open\_pit

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 0.6 ppm is very low and not material for this narrow intercept.

- Negative factor: Very low grade for silver

- Negative factor: Narrow intercept length

- Negative factor: Apparent Width Only

Evidence · table

> 0.6

Context: 1.52

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-004R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-116)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-004R
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.12
- Grade Unit: %
- Intercept: 21.34 m
- From: 3.05 m
- To: 24.38 m
- Hole Depth: 24.38 m
- Intercept Depth: 3.05 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-004R:3.05-24.38
- Mining Method: open\_pit

#### Location

- Loc. Confidence: high

#### 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 21.34m intercept at 0.12% Cu is a very weak result for a porphyry copper deposit, indicating marginal mineralization.

- Positive factor: Shallow intercept

- Negative factor: Very low grade for copper

- Negative factor: Apparent Width Only

Evidence · table

> 0.12

Context: 21.34

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-004R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-117)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-004R
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.15
- Grade Unit: %
- Intercept: 21.34 m
- From: 3.05 m
- To: 24.38 m
- Hole Depth: 24.38 m
- Intercept Depth: 3.05 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-004R:3.05-24.38
- Mining Method: open\_pit

#### Location

- Loc. Confidence: high

#### 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: The zinc grade of 0.15% is low and not material for this intercept.

- Positive factor: Shallow intercept

- Negative factor: Low grade for zinc

- Negative factor: Apparent Width Only

Evidence · table

> 0.15

Context: 21.34

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-004R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-118)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-004R
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 21.34 m
- From: 3.05 m
- To: 24.38 m
- Hole Depth: 24.38 m
- Intercept Depth: 3.05 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-004R:3.05-24.38
- Mining Method: open\_pit

#### Location

- Loc. Confidence: high

#### 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: The lead grade of 0.04% is very low and not material for this intercept.

- Positive factor: Shallow intercept

- Negative factor: Very low grade for lead

- Negative factor: Apparent Width Only

Evidence · table

> 0.04

Context: 21.34

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-004R

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-119)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-004R
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 6
- Grade Unit: ppm
- Intercept: 21.34 m
- From: 3.05 m
- To: 24.38 m
- Hole Depth: 24.38 m
- Intercept Depth: 3.05 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SUN26-004R:3.05-24.38
- Mining Method: open\_pit

#### Location

- Loc. Confidence: high

#### 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: The silver grade of 6.0 ppm is low for this intercept.

- Positive factor: Shallow intercept

- Negative factor: Low grade for silver

- Negative factor: Apparent Width Only

Evidence · table

> 6

Context: 21.34

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R\*

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-120)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- 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: Expanded from assay table. 0.29 % copper is moderate against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 131.7 %·m is moderate.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.29

Context: SUN26-001R\*

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R\*

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-121)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- 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: Expanded from assay table. 0.06 % zinc is weak against the default band \[18, 10, 5, 2\] %. Grade×width 27.2 %·m is weak \(grade alone is below; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.06

Context: SUN26-001R\*

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R\*

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-122)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- 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: Expanded from assay table. 0.02 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 9.1 %·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: SUN26-001R\*

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-001R\*

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-123)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-001R\*
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- 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: Expanded from assay table: 4.8 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

> 4.8

Context: SUN26-001R\*

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-124)

Sunnyside · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-125)

Sunnyside · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-126)

Sunnyside · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-127)

Sunnyside · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-128)

Sunnyside · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-129)

Sunnyside · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-130)

Sunnyside · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-131)

Sunnyside · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-132)

Sunnyside · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-133)

Sunnyside · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-134)

Sunnyside · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-135)

Sunnyside · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-136)

Sunnyside · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-137)

Sunnyside · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-138)

Sunnyside · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-139)

Sunnyside · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-140)

Sunnyside · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-141)

Sunnyside · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-142)

Sunnyside · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-143)

Sunnyside · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-144)

Sunnyside · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-145)

Sunnyside · copper

#### Identity

- Hole ID: incl
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl: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: 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

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-146)

Sunnyside · zinc

#### Identity

- Hole ID: incl
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl: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: 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

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-147)

Sunnyside · silver

#### Identity

- Hole ID: incl
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl: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: 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

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-148)

Sunnyside · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-149)

Sunnyside · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-150)

Sunnyside · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-151)

Sunnyside · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-152)

Sunnyside · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-153)

Sunnyside · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-154)

Sunnyside · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-155)

Sunnyside · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R\*

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-156)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- 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: Expanded from assay table. 0.45 % copper is strong against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 176.9 %·m is strong.

- Positive factor: 0.45 % copper is strong on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.45

Context: SUN26-002R\*

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R\*

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-157)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- 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: Expanded from assay table. 0.06 % zinc is weak against the default band \[18, 10, 5, 2\] %. Grade×width 23.6 %·m is weak \(grade alone is below; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.06

Context: SUN26-002R\*

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R\*

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-158)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- 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: Expanded from assay table. 0.02 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 7.9 %·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: SUN26-002R\*

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-002R\*

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-159)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-002R\*
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- 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: Expanded from assay table: 5.4 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

> 5.4

Context: SUN26-002R\*

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-160)

Sunnyside · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-161)

Sunnyside · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-162)

Sunnyside · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-163)

Sunnyside · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-164)

Sunnyside · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-165)

Sunnyside · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-166)

Sunnyside · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-167)

Sunnyside · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-168)

Sunnyside · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-169)

Sunnyside · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-170)

Sunnyside · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-171)

Sunnyside · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-172)

Sunnyside · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-173)

Sunnyside · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-174)

Sunnyside · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-175)

Sunnyside · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-176)

Sunnyside · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-177)

Sunnyside · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-178)

Sunnyside · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-179)

Sunnyside · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-180)

Sunnyside · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-181)

Sunnyside · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-182)

Sunnyside · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-183)

Sunnyside · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R\*

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-184)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- 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: Expanded from assay table. 0.25 % copper is moderate against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 75.1 %·m is moderate.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.25

Context: SUN26-003R\*

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R\*

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-185)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- 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: Expanded from assay table. 0.1 % zinc is weak against the default band \[18, 10, 5, 2\] %. Grade×width 30.0 %·m is weak \(grade alone is below; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.10

Context: SUN26-003R\*

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R\*

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-186)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- 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: Expanded from assay table. 0.03 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 9.0 %·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: SUN26-003R\*

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-003R\*

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-187)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-003R\*
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- 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: Expanded from assay table: 2.9 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

> 2.9

Context: SUN26-003R\*

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-188)

Sunnyside · copper

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-189)

Sunnyside · zinc

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-190)

Sunnyside · lead

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-191)

Sunnyside · silver

#### Identity

- Hole ID: incl.
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

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

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.: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: 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.

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-004R\*

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-192)

Sunnyside · copper

#### Identity

- Hole ID: SUN26-004R\*
- Project: Sunnyside
- Commodity: copper
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.12
- Grade Unit: %
- Intercept: 21.34 m
- From: 3.05 m
- To: 24.38 m
- Intercept Depth: 3.05 m

#### Classification

- Deposit Type: porphyry
- 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: Expanded from assay table. 0.12 % copper is below against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 2.6 %·m is below.

- Negative factor: 0.12 % copper is below the weak threshold \(0.15 %\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.12

Context: SUN26-004R\*

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-004R\*

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-193)

Sunnyside · zinc

#### Identity

- Hole ID: SUN26-004R\*
- Project: Sunnyside
- Commodity: zinc
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.15
- Grade Unit: %
- Intercept: 21.34 m
- From: 3.05 m
- To: 24.38 m
- Intercept Depth: 3.05 m

#### Classification

- Deposit Type: porphyry
- 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: Expanded from assay table. 0.15 % zinc is below against the default band \[18, 10, 5, 2\] %. Grade×width 3.2 %·m is below.

- Negative factor: 0.15 % 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

> 0.15

Context: SUN26-004R\*

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-004R\*

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-194)

Sunnyside · lead

#### Identity

- Hole ID: SUN26-004R\*
- Project: Sunnyside
- Commodity: lead
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 21.34 m
- From: 3.05 m
- To: 24.38 m
- Intercept Depth: 3.05 m

#### Classification

- Deposit Type: porphyry
- 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: Expanded from assay table. 0.04 % lead is below against the default band \[10, 6, 3, 1\] %. Grade×width 0.9 %·m is below.

- Negative factor: 0.04 % 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

> 0.04

Context: SUN26-004R\*

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

### SUN26-004R\*

[Link to this fact](https://atlas-extractions.minestarters.com/news/barksdale-intersects-high-grade-porphyry-copper-mineralization-including-two-int--7352f3e2-601a-462a-9214-d5d479632a74#fact-drill-facts-195)

Sunnyside · silver

#### Identity

- Hole ID: SUN26-004R\*
- Project: Sunnyside
- Commodity: silver
- Region: usa\_az
- Reported Region: usa\_az
- Ticker: BRO

#### Geometry

- Grade: 6
- Grade Unit: ppm
- Intercept: 21.34 m
- From: 3.05 m
- To: 24.38 m
- Intercept Depth: 3.05 m

#### Classification

- Deposit Type: porphyry
- 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: Expanded from assay table: 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

> 6

Context: SUN26-004R\*

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

**Cut-off Undisclosed**

Polarity: negative

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

Why it applies: no cutoff\_grade was stated

## How Atlas produces this analysis

Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.
