# IsoEnergy Hits Strongest Radioactivity to Date Over 600 Meters at Larocque East

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/isoenergy-hits-strongest-radioactivity-to-date-over-600-meters-at-larocque-east--46d84ff2-5621-4d83-903b-47e5210600d3

Original source: https://www.cruxinvestor.com/posts/isoenergy-hits-strongest-radioactivity-to-date-over-600-meters-at-larocque-east

Publisher: cruxinvestor

Original announcement: 2026-09-09T00:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: IsoEnergy Ltd.

- Ticker: ISO

- Exchange: Unavailable

- Region: Saskatchewan

- Primary commodity: Uranium

- Secondary commodities: None reported

- Document categories: Drill results

- Extracted: 2026-09-10 11:10:47 UTC

Narrative sentiment: 0.60 · Bullish

## Minestarters Atlas summary

IsoEnergy's summer drilling at the Larocque East project intersected the strongest radioactivity to date over a 600-meter strike length on the Hurricane South Trend. While these radiometric results are highly encouraging, chemical assay results from SRC Geoanalytical Laboratories are still pending to confirm actual uranium grades.

Reasoning: Significant radiometric results over a large strike length suggest potential resource expansion or grade improvement, though actual assay confirmation is required.

- Positive factor: Strongest radioactivity to date on South Trend

- Positive factor: 600m strike length of elevated radioactivity

- Positive factor: Intercepts in ground previously modeled as low-grade shell

- Positive factor: Potential for grade improvement within existing footprint

- Negative factor: Assay results still pending \(radioactivity is a proxy\)

- Negative factor: Radioactivity may not correlate perfectly with chemical assays

- Negative factor: High bar for material grade \(34.5% U3O8 Indicated average\)

Facts used in scoring: 10

## Classification and evidence

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: The release mentions that spectrometer readings were checked against core photographs and downhole probe measurements.

Evidence · text

> Brisbin compared spectrometer readings on the core to downhole probe measurements, checked the readings against values marked on the core boxes in the core photographs

**Step-Out Extension**

Polarity: positive

Definition: Mineralization extended beyond the previously known limit.

Why it applies: Drilling intersected radioactivity 510 meters east of the existing Hurricane footprint.

Evidence · text

> including 510 meters east of it.

**Mill Route**

Polarity: neutral

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

Why it applies: the document describes a flotation route \("concentrate"\)

## Extracted facts

Stored fact records: 10. Some facts used in scoring do not have a stored record.

## Drill Results (10)

### winter hole

[Link to this fact](https://atlas-staging.minestarters.com/news/isoenergy-hits-strongest-radioactivity-to-date-over-600-meters-at-larocque-east--46d84ff2-5621-4d83-903b-47e5210600d3#fact-drill-facts-0)

Larocque East · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: winter hole
- Project: Larocque East
- Commodity: uranium
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: ISO

#### Geometry

- Grade: 4.21
- Grade Unit: %
- Intercept: 3.5 m

#### Classification

- Sample Type: drill
- Group ID: winter hole:null-null

#### QA/QC

- QA/QC Disclosed: Yes
- QA/QC Methods: standards, duplicates

#### Review

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

#### Dates

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

Reasoning: High-grade winter intercept used as a reference point for summer results.

- Positive factor: High grade intercept

Evidence · text

> winter hole that returned 4.21% uranium oxide over 3.5 meters

#### 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

### winter hole

[Link to this fact](https://atlas-staging.minestarters.com/news/isoenergy-hits-strongest-radioactivity-to-date-over-600-meters-at-larocque-east--46d84ff2-5621-4d83-903b-47e5210600d3#fact-drill-facts-1)

Larocque East · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: winter hole
- Project: Larocque East
- Commodity: uranium
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: ISO

#### Geometry

- Grade: 11.6
- Grade Unit: %
- Intercept: 1 m

#### Classification

- Sample Type: drill
- Group ID: winter hole:null-null

#### QA/QC

- QA/QC Disclosed: Yes
- QA/QC Methods: standards, duplicates

#### Review

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

#### Dates

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

Reasoning: High-grade sub-interval within the winter hole.

- Positive factor: Very high grade sub-interval

Evidence · text

> including up to 11.6% uranium oxide over 1.0 meter

#### 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

### summer hole 1

[Link to this fact](https://atlas-staging.minestarters.com/news/isoenergy-hits-strongest-radioactivity-to-date-over-600-meters-at-larocque-east--46d84ff2-5621-4d83-903b-47e5210600d3#fact-drill-facts-2)

Larocque East · uranium

Needs review: ungrounded

#### Identity

- Hole ID: summer hole 1
- Project: Larocque East
- Commodity: uranium
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: ISO

#### Geometry

- Grade: 14135
- Grade Unit: CPS
- Intercept: 3 m

#### Classification

- Sample Type: drill
- Group ID: summer hole 1:null-null

#### QA/QC

- QA/QC Disclosed: Yes
- QA/QC Methods: standards, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: scored
- Historical: No

#### Dates

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

Reasoning: Strong radiometric reading in a new summer hole.

- Positive factor: Strong radiometric intercept

- Negative factor: Assay pending

Evidence · text

> summer drilling intersected 14,135 CPS over 3.0 meters

#### 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

### summer hole 1

[Link to this fact](https://atlas-staging.minestarters.com/news/isoenergy-hits-strongest-radioactivity-to-date-over-600-meters-at-larocque-east--46d84ff2-5621-4d83-903b-47e5210600d3#fact-drill-facts-3)

Larocque East · uranium

Needs review: ungrounded

#### Identity

- Hole ID: summer hole 1
- Project: Larocque East
- Commodity: uranium
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: ISO

#### Geometry

- Grade: 36292
- Grade Unit: CPS
- Intercept: 1 m

#### Classification

- Sample Type: drill
- Group ID: summer hole 1:null-null

#### QA/QC

- QA/QC Disclosed: Yes
- QA/QC Methods: standards, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: low\_confidence
- Historical: No

#### Dates

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

Reasoning: High-grade radiometric sub-interval.

- Positive factor: Very high grade sub-interval

- Negative factor: Assay pending

Evidence · text

> including 36,292 CPS over 1.0 meter

#### 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

### summer hole 2

[Link to this fact](https://atlas-staging.minestarters.com/news/isoenergy-hits-strongest-radioactivity-to-date-over-600-meters-at-larocque-east--46d84ff2-5621-4d83-903b-47e5210600d3#fact-drill-facts-4)

Larocque East · uranium

Needs review: ungrounded

#### Identity

- Hole ID: summer hole 2
- Project: Larocque East
- Commodity: uranium
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: ISO

#### Geometry

- Grade: 11075
- Grade Unit: CPS
- Intercept: 3.5 m

#### Classification

- Sample Type: drill
- Group ID: summer hole 2:null-null

#### QA/QC

- QA/QC Disclosed: Yes
- QA/QC Methods: standards, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: low\_confidence
- Historical: No

#### Dates

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

Reasoning: Record radioactivity for the South Trend.

- Positive factor: Strongest radioactivity recorded on South Trend

- Negative factor: Assay pending

Evidence · text

> intersected 11,075 CPS over 3.5 meters

#### 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

### summer hole 2

[Link to this fact](https://atlas-staging.minestarters.com/news/isoenergy-hits-strongest-radioactivity-to-date-over-600-meters-at-larocque-east--46d84ff2-5621-4d83-903b-47e5210600d3#fact-drill-facts-5)

Larocque East · uranium

Needs review: ungrounded

#### Identity

- Hole ID: summer hole 2
- Project: Larocque East
- Commodity: uranium
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: ISO

#### Geometry

- Grade: 43160
- Grade Unit: CPS
- Intercept: 0.5 m

#### Classification

- Sample Type: drill
- Group ID: summer hole 2:null-null

#### QA/QC

- QA/QC Disclosed: Yes
- QA/QC Methods: standards, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: low\_confidence
- Historical: No

#### Dates

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

Reasoning: Exceptional radiometric sub-interval.

- Positive factor: Strongest reading recorded on South Trend

- Negative factor: Assay pending

Evidence · text

> including 43,160 CPS over 0.5 meters, the strongest reading recorded on the South Trend to date

#### 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

### summer hole 3

[Link to this fact](https://atlas-staging.minestarters.com/news/isoenergy-hits-strongest-radioactivity-to-date-over-600-meters-at-larocque-east--46d84ff2-5621-4d83-903b-47e5210600d3#fact-drill-facts-6)

Larocque East · uranium

Needs review: ungrounded

#### Identity

- Hole ID: summer hole 3
- Project: Larocque East
- Commodity: uranium
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: ISO

#### Geometry

- Grade: 10110
- Grade Unit: CPS
- Intercept: 2 m

#### Classification

- Sample Type: drill
- Group ID: summer hole 3:null-null

#### QA/QC

- QA/QC Disclosed: Yes
- QA/QC Methods: standards, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: low\_confidence
- Historical: No

#### Dates

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

Reasoning: Strong radiometric intercept on the L fault.

- Positive factor: Strong radiometric intercept

- Negative factor: Assay pending

Evidence · text

> drilling intersected 10,110 CPS over 2.0 meters

#### 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

### summer hole 3

[Link to this fact](https://atlas-staging.minestarters.com/news/isoenergy-hits-strongest-radioactivity-to-date-over-600-meters-at-larocque-east--46d84ff2-5621-4d83-903b-47e5210600d3#fact-drill-facts-7)

Larocque East · uranium

Needs review: ungrounded

#### Identity

- Hole ID: summer hole 3
- Project: Larocque East
- Commodity: uranium
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: ISO

#### Geometry

- Grade: 35900
- Grade Unit: CPS
- Intercept: 0.5 m

#### Classification

- Sample Type: drill
- Group ID: summer hole 3:null-null

#### QA/QC

- QA/QC Disclosed: Yes
- QA/QC Methods: standards, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: low\_confidence
- Historical: No

#### Dates

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

Reasoning: High-grade radiometric sub-interval.

- Positive factor: High grade sub-interval

- Negative factor: Assay pending

Evidence · text

> including 35,900 CPS over 0.5 meters

#### 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

### winter hole 2

[Link to this fact](https://atlas-staging.minestarters.com/news/isoenergy-hits-strongest-radioactivity-to-date-over-600-meters-at-larocque-east--46d84ff2-5621-4d83-903b-47e5210600d3#fact-drill-facts-8)

Larocque East · uranium

Historical result

Needs review: ungrounded

#### Identity

- Hole ID: winter hole 2
- Project: Larocque East
- Commodity: uranium
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: ISO

#### Geometry

- Grade: 1
- Grade Unit: %
- Intercept: 1.5 m

#### Classification

- Sample Type: drill
- Group ID: winter hole 2:null-null

#### QA/QC

- QA/QC Disclosed: Yes
- QA/QC Methods: standards, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: low\_confidence
- Historical: Yes

#### Dates

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

Reasoning: Historical reference intercept.

Evidence · text

> winter hole that returned 1.00% uranium oxide over 1.5 meters

#### 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

### winter hole 2

[Link to this fact](https://atlas-staging.minestarters.com/news/isoenergy-hits-strongest-radioactivity-to-date-over-600-meters-at-larocque-east--46d84ff2-5621-4d83-903b-47e5210600d3#fact-drill-facts-9)

Larocque East · uranium

Historical result

Needs review: ungrounded

#### Identity

- Hole ID: winter hole 2
- Project: Larocque East
- Commodity: uranium
- Region: canada\_sk
- Reported Region: canada\_sk
- Ticker: ISO

#### Geometry

- Grade: 2.75
- Grade Unit: %
- Intercept: 0.5 m

#### Classification

- Sample Type: drill
- Group ID: winter hole 2:null-null

#### QA/QC

- QA/QC Disclosed: Yes
- QA/QC Methods: standards, duplicates

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: low\_confidence
- Historical: Yes

#### Dates

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

Reasoning: Historical reference sub-interval.

- Positive factor: High grade sub-interval

Evidence · text

> including up to 2.75% uranium oxide over 0.5 meters

#### 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

## 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.
