# ATHA Energy Confirms New High-Grade Discovery at Angilak Project - Rib North, Maiden Hole Returns Assays with 34.7 m of Total Composite Uranium Mineralization, Including 13.6 m Grading 0.53% U3O8, 1.1 m Grading 4.81% U3O8, and Grades Up to 8.16% U3O8

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/atha-energy-confirms-new-high-grade-discovery-at-angilak-project-rib-north-maide--323ee044-e3a2-47ee-9b9b-5c8e68fbf0a0

Original source: https://money.tmx.com/en/quote/SASK/news/6133893606484848/atha-energy-confirms-new-high-grade-discovery-at-angilak-project-rib-north-maide

Publisher: tmx

Original announcement: 2025-11-20T12:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: ATHA Energy Corp.

- Ticker: SASK

- Exchange: TSX

- Region: Nunavut, Canada

- Primary commodity: Uranium

- Secondary commodities: None reported

- Document categories: Drill results

- Extracted: 2026-08-21 04:18:58 UTC

Narrative sentiment: 0.90 · Bullish

## Minestarters Atlas summary

ATHA Energy announced a new high-grade uranium discovery at its Angilak Project in Nunavut, Canada, with maiden drillhole RIBN-DD-001 returning 34.7 m of total composite uranium mineralization. This includes a 13.6 m interval grading 0.53% U3O8 and a high-grade 1.1 m interval at 4.81% U3O8, with a peak of 8.16% U3O8 over 0.5 m. The results, confirmed by an accredited lab, represent the best exploration hole to date at the project and indicate significant potential for the Angikuni Basin.

Reasoning: The maiden drillhole at Rib North returned significant high-grade uranium mineralization, including a 13.6 m interval grading 0.53% U3O8 and a 1.1 m interval grading 4.81% U3O8, with a peak of 8.16% U3O8, confirming a new discovery in a highly prospective corridor. The results were confirmed by an ISO/IEC 17025 accredited lab and reviewed by a Qualified Person.

- Positive factor: New discovery

- Positive factor: High-grade

- Positive factor: Significant intercept length

- Positive factor: Maiden hole

- Positive factor: Accredited lab

- Positive factor: QP sign-off

- Positive factor: Potential for district-scale

- Negative factor: Apparent width only

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

Facts used in scoring: 4

## Classification and evidence

**Bonanza Intercept**

Polarity: positive

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

Why it applies: The 1.1 m interval grading 4.81% U3O8 and the 0.5 m interval grading 8.16% U3O8 are well above the exceptional threshold of 2% U3O8 for uranium.

Evidence · text

> including 1.1 m grading 4.81% U 3 O 8 with the highest-grade sample returning 8.16% U 3 O 8 over 0.5 m

**Apparent Width Only**

Polarity: negative

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

Why it applies: The document explicitly states that 'All drill intercepts are core width and true thickness is yet to be determined.'

Evidence · text

> All drill intercepts are core width and true thickness is yet to be determined.

**QA/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 mentions that samples are submitted to the Saskatchewan Research Council \(SRC\) Geoanalytical Laboratories, which is ISO/IEC 17025:2005 accredited.

Evidence · text

> Core samples are submitted to the Saskatchewan Research Council \(SRC\) Geoanalytical Laboratories in Saskatoon. The SRC facility is ISO/IEC 17025:2005 accredited by the Standards Council of Canada \(scope of accreditation \#537\).

**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: Cliff Revering, P.Eng., Vice President, Exploration of ATHA, is named as a 'qualified person' under NI 43-101 and has reviewed and approved the scientific and technical information.

Evidence · text

> Cliff Revering, P.Eng., Vice President, Exploration of ATHA, who is a "qualified person" as defined under National Instrument 43-101 - Standards of Disclosure for Mineral Projects.

**Compositing Transparent**

Polarity: positive

Definition: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: The document clearly states the compositing rules: 'Composite mineralization is calculated using a 0.01% U 3 O 8 cutoff with a maximum internal dilution of 1.5 m.'

Evidence · text

> Composite mineralization is calculated using a 0.01% U 3 O 8 cutoff with a maximum internal dilution of 1.5 m.

**Step-Out Extension**

Polarity: positive

Definition: Mineralization extended beyond the previously known limit.

Why it applies: The RIB North Discovery is situated along the Mineralized RIB Corridor, and the nearest drilling occurred ~1.4 km and ~1.8 km along strike at other discovery areas, indicating an extension of the structural corridor.

Evidence · text

> The nearest drilling to RIBN-DD-001 occurred ~1.4 km along strike at the RIB East Discovery and 1.8 km along strike at the RIB West Discovery areas - both holes intersected uranium mineralization, however, the extension of the structural corridor hosting RIB North mineralization remains untested and highly prospective

**New Discovery**

Polarity: positive

Story-specific tag

Definition: No canonical definition is currently available.

Why it applies: The title and body explicitly state 'New High-Grade Discovery at Angilak Project - Rib North, Maiden Hole Returns Assays'.

Evidence · text

> New High-Grade Discovery at Angilak Project - Rib North, Maiden Hole Returns Assays

## Extracted facts

Stored fact records: 4. Some facts used in scoring do not have a stored record.

## Drill Results (4)

### RIBN-DD-001

[Link to this fact](https://atlas-staging.minestarters.com/news/atha-energy-confirms-new-high-grade-discovery-at-angilak-project-rib-north-maide--323ee044-e3a2-47ee-9b9b-5c8e68fbf0a0#fact-drill-facts-0)

Angilak Project · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: RIBN-DD-001
- Project: Angilak Project
- Commodity: uranium
- Region: canada\_nu
- Reported Region: Nunavut, Canada
- Ticker: SASK

#### Geometry

- Intercept: 34.7 m
- From: 287 m
- To: 439.9 m
- Hole Depth: 623 m
- Intercept Depth: 287 m

#### Classification

- Deposit Type: other
- Program: exploration
- Sample Type: drill
- Group ID: RIBN-DD-001:287.0-439.9
- Mining Method: unknown

#### Location

- Easting: 499574
- Northing: 6929887
- Elevation: 261 m
- Azimuth: 300 °
- Dip: -65 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: Saskatchewan Research Council \(SRC\) Geoanalytical Laboratory
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.01
- Cutoff Unit: % U3O8
- Dilution Disclosed: Yes
- Max Dilution: 1.5 m

#### Review

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

#### Dates

- Event date: 2025-11-20T00:00:00.000Z

Reasoning: The maiden drillhole RIBN-DD-001 made a new discovery with a significant composite uranium mineralization of 34.7 m, indicating substantial potential. The deposit type is described as basement hosted vein style uranium mineralization, similar to Athabasca Basin basement hosted deposits.

- Positive factor: New discovery

- Positive factor: Significant intercept length

- Positive factor: Maiden hole

- Positive factor: Accredited lab

- Positive factor: QP sign-off

- Negative factor: Apparent width only

Evidence · text

> RIBN-DD-001 assays returned total composite uranium mineralization 1 of 34.7 m encompassing seven zones from 287.0 m to 439.9 m

### RIBN-DD-001

[Link to this fact](https://atlas-staging.minestarters.com/news/atha-energy-confirms-new-high-grade-discovery-at-angilak-project-rib-north-maide--323ee044-e3a2-47ee-9b9b-5c8e68fbf0a0#fact-drill-facts-1)

Angilak Project · uranium

#### Identity

- Hole ID: RIBN-DD-001
- Project: Angilak Project
- Commodity: uranium
- Region: canada\_nu
- Reported Region: Nunavut, Canada
- Ticker: SASK

#### Geometry

- Grade: 0.53
- Grade Unit: % U3O8
- Intercept: 13.6 m
- From: 426.3 m
- To: 439.9 m
- Hole Depth: 623 m
- Intercept Depth: 426.3 m

#### Classification

- Deposit Type: other
- Program: exploration
- Sample Type: drill
- Group ID: RIBN-DD-001:426.3-439.9
- Mining Method: unknown

#### Location

- Easting: 499574
- Northing: 6929887
- Elevation: 261 m
- Azimuth: 300 °
- Dip: -65 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: Saskatchewan Research Council \(SRC\) Geoanalytical Laboratory
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.01
- Cutoff Unit: % U3O8
- Dilution Disclosed: Yes
- Max Dilution: 1.5 m

#### Review

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

#### Dates

- Event date: 2025-11-20T00:00:00.000Z

Reasoning: A 13.6 m interval grading 0.53% U3O8 is a strong result for uranium, contributing significantly to the new discovery. The deposit type is described as basement hosted vein style uranium mineralization, similar to Athabasca Basin basement hosted deposits.

- Positive factor: High-grade

- Positive factor: Significant intercept length

- Positive factor: New discovery

- Positive factor: Accredited lab

- Positive factor: QP sign-off

- Negative factor: Apparent width only

Evidence · text

> The widest continuous intersection in the hole - from 426.3 to 439.9 - returned 13.6 m of composite uranium mineralization 1 grading 0.53% U 3 O 8

### RIBN-DD-001

[Link to this fact](https://atlas-staging.minestarters.com/news/atha-energy-confirms-new-high-grade-discovery-at-angilak-project-rib-north-maide--323ee044-e3a2-47ee-9b9b-5c8e68fbf0a0#fact-drill-facts-2)

Angilak Project · uranium

#### Identity

- Hole ID: RIBN-DD-001
- Project: Angilak Project
- Commodity: uranium
- Region: canada\_nu
- Reported Region: Nunavut, Canada
- Ticker: SASK

#### Geometry

- Grade: 4.81
- Grade Unit: % U3O8
- Intercept: 1.1 m
- Hole Depth: 623 m

#### Classification

- Deposit Type: other
- Program: exploration
- Sample Type: drill
- Mining Method: unknown

#### Location

- Easting: 499574
- Northing: 6929887
- Elevation: 261 m
- Azimuth: 300 °
- Dip: -65 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: Saskatchewan Research Council \(SRC\) Geoanalytical Laboratory
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.01
- Cutoff Unit: % U3O8
- Dilution Disclosed: Yes
- Max Dilution: 1.5 m

#### Review

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

#### Dates

- Event date: 2025-11-20T00:00:00.000Z

Reasoning: A 1.1 m interval grading 4.81% U3O8 is an exceptional, bonanza-grade uranium intercept, significantly enhancing the discovery. The deposit type is described as basement hosted vein style uranium mineralization, similar to Athabasca Basin basement hosted deposits.

- Positive factor: Bonanza grade

- Positive factor: High-grade

- Positive factor: New discovery

- Positive factor: Accredited lab

- Positive factor: QP sign-off

- Negative factor: Apparent width only

Evidence · text

> including 1.1 m grading 4.81% U 3 O 8

### RIBN-DD-001

[Link to this fact](https://atlas-staging.minestarters.com/news/atha-energy-confirms-new-high-grade-discovery-at-angilak-project-rib-north-maide--323ee044-e3a2-47ee-9b9b-5c8e68fbf0a0#fact-drill-facts-3)

Angilak Project · uranium

#### Identity

- Hole ID: RIBN-DD-001
- Project: Angilak Project
- Commodity: uranium
- Region: canada\_nu
- Reported Region: Nunavut, Canada
- Ticker: SASK

#### Geometry

- Grade: 8.16
- Grade Unit: % U3O8
- Intercept: 0.5 m
- Hole Depth: 623 m

#### Classification

- Deposit Type: other
- Program: exploration
- Sample Type: drill
- Mining Method: unknown

#### Location

- Easting: 499574
- Northing: 6929887
- Elevation: 261 m
- Azimuth: 300 °
- Dip: -65 °
- Loc. Confidence: high

#### QA/QC

- Laboratory: Saskatchewan Research Council \(SRC\) Geoanalytical Laboratory
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes

#### Deleterious

- Deleterious Flag: No

#### Metal Equivalent

- Assumptions Disclosed: No

#### Compositing

- Cutoff Grade: 0.01
- Cutoff Unit: % U3O8
- Dilution Disclosed: Yes
- Max Dilution: 1.5 m

#### Review

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

#### Dates

- Event date: 2025-11-20T00:00:00.000Z

Reasoning: A 0.5 m interval grading 8.16% U3O8 represents an exceptional, bonanza-grade uranium sample, highlighting the high-grade potential of the discovery. The deposit type is described as basement hosted vein style uranium mineralization, similar to Athabasca Basin basement hosted deposits.

- Positive factor: Bonanza grade

- Positive factor: Exceptional grade

- Positive factor: New discovery

- Positive factor: Accredited lab

- Positive factor: QP sign-off

- Negative factor: Apparent width only

Evidence · text

> highest-grade sample returning 8.16% U 3 O 8 over 0.5 m

## 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.