# Cosa Commences Largest Drill Program to Date at the Murphy Lake North Uranium Joint Venture with Denison Mines

Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c

Original source: https://money.tmx.com/en/quote/COSA/news/4582897594928776/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo

Publisher: tmx

Original announcement: 2026-06-18T12:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Cosa Resources Corp.

- Ticker: COSA

- Exchange: TSX

- Region: Saskatchewan

- Primary commodity: Uranium

- Secondary commodities: Nickel, Cobalt

- Document categories: Drill results, Other

- Extracted: 2026-09-13 18:45:10 UTC

Narrative sentiment: 0.60 · Bullish

## Minestarters Atlas summary

Cosa Resources has commenced its largest drill program to date at the Murphy Lake North uranium joint venture. The release also includes a summary of assay results from the winter 2026 program, highlighting high-grade uranium intercepts up to 1.70% U3O8.

Reasoning: The release reports high-grade uranium intercepts from a winter program, but these are noted as previously released assays, reducing the novelty of the data.

- Positive factor: High-grade uranium intercept \(1.70% U3O8\)

- Positive factor: Significant nickel and cobalt grades in high-grade zone

- Positive factor: QA/QC protocols disclosed

- Negative factor: Assays are historical re-releases

Facts used in scoring: 27

## Classification and evidence

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: Release includes details on SRC Geoanalytical Laboratories, CRM standards, and blanks.

Evidence · text

> Samples were transported to SRC Geoanalytical Laboratories \(SRC\) in Saskatoon, Saskatchewan \(ISO/IEC 17025:2005 accredited\)

**Stale Data Re-release**

Polarity: negative

Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: The assay results in Table 1 are explicitly noted as 'previously released'.

Evidence · text

> Assays previously released

## Extracted facts

Stored fact records: 27. Some facts used in scoring do not have a stored record.

## Drill Results (27)

### MLN26-013

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-0)

Murphy Lake North · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: MLN26-013
- Project: Murphy Lake North
- Commodity: uranium
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 0.5 m
- From: 306.5 m
- To: 307 m
- Intercept Depth: 306.5 m

#### Classification

- Sample Type: drill
- Group ID: MLN26-013:306.5-307

#### QA/QC

- Laboratory: SRC Geoanalytical Laboratories \(SRC\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Deleterious

- Deleterious Flag: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Low grade intercept and historical data.

- Negative factor: Stale Data Re-release

Evidence · table

> 0.02

Context: 306.5

#### 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

**Stale Data Re-release**

Polarity: negative

Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

### MLN26-013

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-1)

Murphy Lake North · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: MLN26-013
- Project: Murphy Lake North
- Commodity: uranium
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 0.25
- Grade Unit: %
- Intercept: 0.5 m
- From: 307.5 m
- To: 308 m
- Intercept Depth: 307.5 m

#### Classification

- Sample Type: drill
- Group ID: MLN26-013:307.5-308

#### QA/QC

- Laboratory: SRC Geoanalytical Laboratories \(SRC\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Deleterious

- Deleterious Flag: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Historical data.

- Negative factor: Stale Data Re-release

Evidence · table

> 0.25

Context: 307.5

#### 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

**Stale Data Re-release**

Polarity: negative

Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

### MLN26-013

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-2)

Murphy Lake North · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: MLN26-013
- Project: Murphy Lake North
- Commodity: uranium
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 0.55
- Grade Unit: %
- Intercept: 5 m
- From: 308.5 m
- To: 313.5 m
- Intercept Depth: 308.5 m

#### Classification

- Sample Type: drill
- Group ID: MLN26-013:308.5-313.5

#### QA/QC

- Laboratory: SRC Geoanalytical Laboratories \(SRC\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Deleterious

- Deleterious Flag: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Strong uranium grade in a historical intercept.

- Negative factor: Stale Data Re-release

Evidence · table

> 0.55

Context: 308.5

#### 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

**Stale Data Re-release**

Polarity: negative

Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

### MLN26-013

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-3)

Murphy Lake North · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: MLN26-013
- Project: Murphy Lake North
- Commodity: uranium
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 0.95
- Grade Unit: %
- Intercept: 2.5 m
- From: 310.5 m
- To: 313 m
- Intercept Depth: 310.5 m

#### Classification

- Sample Type: drill
- Group ID: MLN26-013:310.5-313

#### QA/QC

- Laboratory: SRC Geoanalytical Laboratories \(SRC\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Deleterious

- Deleterious Flag: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: High grade uranium intercept.

- Negative factor: Stale Data Re-release

Evidence · table

> 0.95

Context: 310.5

#### 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

**Stale Data Re-release**

Polarity: negative

Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

### MLN26-013

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-4)

Murphy Lake North · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: MLN26-013
- Project: Murphy Lake North
- Commodity: uranium
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 1.7
- Grade Unit: %
- Intercept: 0.5 m
- From: 310.5 m
- To: 311 m
- Intercept Depth: 310.5 m

#### Classification

- Sample Type: drill
- Group ID: MLN26-013:310.5-311

#### QA/QC

- Laboratory: SRC Geoanalytical Laboratories \(SRC\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Deleterious

- Deleterious Flag: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Exceptional high-grade uranium intercept.

- Negative factor: Stale Data Re-release

Evidence · table

> 1.70

Context: 310.5

#### 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

**Stale Data Re-release**

Polarity: negative

Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

### MLN26-013

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-5)

Murphy Lake North · nickel

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: MLN26-013
- Project: Murphy Lake North
- Commodity: nickel
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 4.09
- Grade Unit: %
- Intercept: 5 m
- From: 308.5 m
- To: 313.5 m
- Intercept Depth: 308.5 m

#### Classification

- Sample Type: drill
- Group ID: MLN26-013:308.5-313.5

#### QA/QC

- Laboratory: SRC Geoanalytical Laboratories \(SRC\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Deleterious

- Deleterious Flag: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Strong nickel grade in a historical intercept.

- Negative factor: Stale Data Re-release

Evidence · table

> 4.09

Context: 308.5

#### 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

**Stale Data Re-release**

Polarity: negative

Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

### MLN26-013

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-6)

Murphy Lake North · nickel

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: MLN26-013
- Project: Murphy Lake North
- Commodity: nickel
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 4.5
- Grade Unit: %
- Intercept: 2.5 m
- From: 310.5 m
- To: 313 m
- Intercept Depth: 310.5 m

#### Classification

- Sample Type: drill
- Group ID: MLN26-013:310.5-313

#### QA/QC

- Laboratory: SRC Geoanalytical Laboratories \(SRC\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Deleterious

- Deleterious Flag: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: High grade nickel intercept.

- Negative factor: Stale Data Re-release

Evidence · table

> 4.50

Context: 310.5

#### 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

**Stale Data Re-release**

Polarity: negative

Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

### MLN26-013

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-7)

Murphy Lake North · nickel

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: MLN26-013
- Project: Murphy Lake North
- Commodity: nickel
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 6.01
- Grade Unit: %
- Intercept: 0.5 m
- From: 310.5 m
- To: 311 m
- Intercept Depth: 310.5 m

#### Classification

- Sample Type: drill
- Group ID: MLN26-013:310.5-311

#### QA/QC

- Laboratory: SRC Geoanalytical Laboratories \(SRC\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Deleterious

- Deleterious Flag: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Exceptional nickel grade.

- Negative factor: Stale Data Re-release

Evidence · table

> 6.01

Context: 310.5

#### 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

**Stale Data Re-release**

Polarity: negative

Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

### MLN26-013

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-8)

Murphy Lake North · cobalt

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: MLN26-013
- Project: Murphy Lake North
- Commodity: cobalt
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 1.73
- Grade Unit: %
- Intercept: 5 m
- From: 308.5 m
- To: 313.5 m
- Intercept Depth: 308.5 m

#### Classification

- Sample Type: drill
- Group ID: MLN26-013:308.5-313.5

#### QA/QC

- Laboratory: SRC Geoanalytical Laboratories \(SRC\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Deleterious

- Deleterious Flag: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Strong cobalt grade in a historical intercept.

- Negative factor: Stale Data Re-release

Evidence · table

> 1.73

Context: 308.5

#### 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

**Stale Data Re-release**

Polarity: negative

Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

### MLN26-013

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-9)

Murphy Lake North · cobalt

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: MLN26-013
- Project: Murphy Lake North
- Commodity: cobalt
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 2.29
- Grade Unit: %
- Intercept: 2.5 m
- From: 310.5 m
- To: 313 m
- Intercept Depth: 310.5 m

#### Classification

- Sample Type: drill
- Group ID: MLN26-013:310.5-313

#### QA/QC

- Laboratory: SRC Geoanalytical Laboratories \(SRC\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Deleterious

- Deleterious Flag: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: High grade cobalt intercept.

- Negative factor: Stale Data Re-release

Evidence · table

> 2.29

Context: 310.5

#### 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

**Stale Data Re-release**

Polarity: negative

Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

### MLN26-013

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-10)

Murphy Lake North · cobalt

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: MLN26-013
- Project: Murphy Lake North
- Commodity: cobalt
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 2.5
- Grade Unit: %
- Intercept: 0.5 m
- From: 310.5 m
- To: 311 m
- Intercept Depth: 310.5 m

#### Classification

- Sample Type: drill
- Group ID: MLN26-013:310.5-311

#### QA/QC

- Laboratory: SRC Geoanalytical Laboratories \(SRC\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Deleterious

- Deleterious Flag: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Exceptional cobalt grade.

- Negative factor: Stale Data Re-release

Evidence · table

> 2.50

Context: 310.5

#### 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

**Stale Data Re-release**

Polarity: negative

Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

### MLN26-014

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-11)

Murphy Lake North · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: MLN26-014
- Project: Murphy Lake North
- Commodity: uranium
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 0.5 m
- From: 278.3 m
- To: 278.8 m
- Intercept Depth: 278.3 m

#### Classification

- Sample Type: drill
- Group ID: MLN26-014:278.3-278.8

#### QA/QC

- Laboratory: SRC Geoanalytical Laboratories \(SRC\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Deleterious

- Deleterious Flag: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Low grade intercept.

- Negative factor: Stale Data Re-release

Evidence · table

> 0.04

Context: 278.3

#### 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

**Stale Data Re-release**

Polarity: negative

Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

### MLN26-014

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-12)

Murphy Lake North · nickel

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: MLN26-014
- Project: Murphy Lake North
- Commodity: nickel
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 0.09
- Grade Unit: %
- Intercept: 0.5 m
- From: 278.3 m
- To: 278.8 m
- Intercept Depth: 278.3 m

#### Classification

- Sample Type: drill
- Group ID: MLN26-014:278.3-278.8

#### QA/QC

- Laboratory: SRC Geoanalytical Laboratories \(SRC\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Deleterious

- Deleterious Flag: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Low grade intercept.

- Negative factor: Stale Data Re-release

Evidence · table

> 0.09

Context: 278.3

#### 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

**Stale Data Re-release**

Polarity: negative

Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

### MLN26-014

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-13)

Murphy Lake North · cobalt

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: MLN26-014
- Project: Murphy Lake North
- Commodity: cobalt
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 0.5 m
- From: 278.3 m
- To: 278.8 m
- Intercept Depth: 278.3 m

#### Classification

- Sample Type: drill
- Group ID: MLN26-014:278.3-278.8

#### QA/QC

- Laboratory: SRC Geoanalytical Laboratories \(SRC\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Deleterious

- Deleterious Flag: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Low grade intercept.

- Negative factor: Stale Data Re-release

Evidence · table

> 0.04

Context: 278.3

#### 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

**Stale Data Re-release**

Polarity: negative

Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

### MLN26-016

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-14)

Murphy Lake North · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: MLN26-016
- Project: Murphy Lake North
- Commodity: uranium
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 1 m
- From: 286.5 m
- To: 287.5 m
- Intercept Depth: 286.5 m

#### Classification

- Sample Type: drill
- Group ID: MLN26-016:286.5-287.5

#### QA/QC

- Laboratory: SRC Geoanalytical Laboratories \(SRC\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Deleterious

- Deleterious Flag: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Low grade intercept.

- Negative factor: Stale Data Re-release

Evidence · table

> 0.04

Context: 286.5

#### 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

**Stale Data Re-release**

Polarity: negative

Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

### MLN26-016

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-15)

Murphy Lake North · nickel

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: MLN26-016
- Project: Murphy Lake North
- Commodity: nickel
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 0.07
- Grade Unit: %
- Intercept: 1 m
- From: 286.5 m
- To: 287.5 m
- Intercept Depth: 286.5 m

#### Classification

- Sample Type: drill
- Group ID: MLN26-016:286.5-287.5

#### QA/QC

- Laboratory: SRC Geoanalytical Laboratories \(SRC\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Deleterious

- Deleterious Flag: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Low grade intercept.

- Negative factor: Stale Data Re-release

Evidence · table

> 0.07

Context: 286.5

#### 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

**Stale Data Re-release**

Polarity: negative

Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

### MLN26-016

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-16)

Murphy Lake North · cobalt

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: MLN26-016
- Project: Murphy Lake North
- Commodity: cobalt
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 1 m
- From: 286.5 m
- To: 287.5 m
- Intercept Depth: 286.5 m

#### Classification

- Sample Type: drill
- Group ID: MLN26-016:286.5-287.5

#### QA/QC

- Laboratory: SRC Geoanalytical Laboratories \(SRC\)
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Deleterious

- Deleterious Flag: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Low grade intercept.

- Negative factor: Stale Data Re-release

Evidence · table

> 0.04

Context: 286.5

#### 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

**Stale Data Re-release**

Polarity: negative

Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

### MLN26-013

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-17)

Murphy Lake North · nickel

#### Identity

- Hole ID: MLN26-013
- Project: Murphy Lake North
- Commodity: nickel
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 0.09
- Grade Unit: %
- Intercept: 0.5 m
- From: 306.5 m
- To: 307 m
- Intercept Depth: 306.5 m

#### Classification

- Sample Type: drill
- Group ID: MLN26-013:306.5-307

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Expanded from assay table. 0.09 % nickel is below against the default band \[3, 1.5, 0.8, 0.3\] %.

- Negative factor: 0.09 % nickel is below the weak threshold \(0.3 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.09

Context: MLN26-013

#### 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

### MLN26-013

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-18)

Murphy Lake North · cobalt

#### Identity

- Hole ID: MLN26-013
- Project: Murphy Lake North
- Commodity: cobalt
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 0.5 m
- From: 306.5 m
- To: 307 m
- Intercept Depth: 306.5 m

#### Classification

- Sample Type: drill
- Group ID: MLN26-013:306.5-307

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 % cobalt is below against the default band \[0.5, 0.3, 0.15, 0.08\] %.

- Negative factor: 0.02 % cobalt is below the weak threshold \(0.08 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.02

Context: MLN26-013

#### 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

### and

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-19)

Murphy Lake North · nickel

#### Identity

- Hole ID: and
- Project: Murphy Lake North
- Commodity: nickel
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 0.26
- Grade Unit: %
- Intercept: 0.5 m
- From: 307.5 m
- To: 308 m
- Intercept Depth: 307.5 m

#### Classification

- Sample Type: drill
- Group ID: and:307.5-308

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Expanded from assay table. 0.26 % nickel is below against the default band \[3, 1.5, 0.8, 0.3\] %.

- Negative factor: 0.26 % nickel is below the weak threshold \(0.3 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.26

Context: and

#### 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

### and

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-20)

Murphy Lake North · cobalt

#### Identity

- Hole ID: and
- Project: Murphy Lake North
- Commodity: cobalt
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 0.5 m
- From: 307.5 m
- To: 308 m
- Intercept Depth: 307.5 m

#### Classification

- Sample Type: drill
- Group ID: and:307.5-308

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Expanded from assay table. 0.04 % cobalt is below against the default band \[0.5, 0.3, 0.15, 0.08\] %.

- Negative factor: 0.04 % cobalt is below the weak threshold \(0.08 %\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.04

Context: and

#### 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

### and

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-21)

Murphy Lake North · nickel

#### Identity

- Hole ID: and
- Project: Murphy Lake North
- Commodity: nickel
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 4.09
- Grade Unit: %
- Intercept: 5 m
- From: 308.5 m
- To: 313.5 m
- Intercept Depth: 308.5 m

#### Classification

- Sample Type: drill
- Group ID: and:308.5-313.5

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Expanded from assay table. 4.09 % nickel is exceptional against the default band \[3, 1.5, 0.8, 0.3\] %.

- Positive factor: 4.09 % nickel is exceptional on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 4.09

Context: and

#### 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

### and

[Link to this fact](https://atlas-extractions.minestarters.com/news/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-22)

Murphy Lake North · cobalt

#### Identity

- Hole ID: and
- Project: Murphy Lake North
- Commodity: cobalt
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 1.73
- Grade Unit: %
- Intercept: 5 m
- From: 308.5 m
- To: 313.5 m
- Intercept Depth: 308.5 m

#### Classification

- Sample Type: drill
- Group ID: and:308.5-313.5

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Expanded from assay table. 1.73 % cobalt is exceptional against the default band \[0.5, 0.3, 0.15, 0.08\] %.

- Positive factor: 1.73 % cobalt is exceptional on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.73

Context: and

#### 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/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-23)

Murphy Lake North · nickel

#### Identity

- Hole ID: incl.
- Project: Murphy Lake North
- Commodity: nickel
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 4.5
- Grade Unit: %
- Intercept: 2.5 m
- From: 310.5 m
- To: 313 m
- Intercept Depth: 310.5 m

#### Classification

- Sample Type: drill
- Group ID: incl.:310.5-313

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Expanded from assay table. 4.5 % nickel is exceptional against the default band \[3, 1.5, 0.8, 0.3\] %.

- Positive factor: 4.5 % nickel is exceptional on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 4.50

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/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-24)

Murphy Lake North · cobalt

#### Identity

- Hole ID: incl.
- Project: Murphy Lake North
- Commodity: cobalt
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 2.29
- Grade Unit: %
- Intercept: 2.5 m
- From: 310.5 m
- To: 313 m
- Intercept Depth: 310.5 m

#### Classification

- Sample Type: drill
- Group ID: incl.:310.5-313

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Expanded from assay table. 2.29 % cobalt is exceptional against the default band \[0.5, 0.3, 0.15, 0.08\] %.

- Positive factor: 2.29 % cobalt is exceptional on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 2.29

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/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-25)

Murphy Lake North · nickel

#### Identity

- Hole ID: incl.
- Project: Murphy Lake North
- Commodity: nickel
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 6.01
- Grade Unit: %
- Intercept: 0.5 m
- From: 310.5 m
- To: 311 m
- Intercept Depth: 310.5 m

#### Classification

- Sample Type: drill
- Group ID: incl.:310.5-311

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Expanded from assay table. 6.01 % nickel is exceptional against the default band \[3, 1.5, 0.8, 0.3\] %.

- Positive factor: 6.01 % nickel is exceptional on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 6.01

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/cosa-commences-largest-drill-program-to-date-at-the-murphy-lake-north-uranium-jo--6ac1c851-5d9f-4a95-8857-d28f89fb493c#fact-drill-facts-26)

Murphy Lake North · cobalt

#### Identity

- Hole ID: incl.
- Project: Murphy Lake North
- Commodity: cobalt
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: COSA

#### Geometry

- Grade: 2.5
- Grade Unit: %
- Intercept: 0.5 m
- From: 310.5 m
- To: 311 m
- Intercept Depth: 310.5 m

#### Classification

- Sample Type: drill
- Group ID: incl.:310.5-311

#### QA/QC

- QA/QC Disclosed: Yes
- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2026-06-18T00:00:00.000Z

Reasoning: Expanded from assay table. 2.5 % cobalt is exceptional against the default band \[0.5, 0.3, 0.15, 0.08\] %.

- Positive factor: 2.5 % cobalt is exceptional on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 2.50

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

## 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.