# IsoEnergy Confirms High Grade Uranium Mineralization on the Hurricane South Trend, with up to 4.21% U3O8 over 3.5 m, including up to 11.6% U3O8 over 1.0 m Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/isoenergy-confirms-high-grade-uranium-mineralization-on-the-hurricane-south-tren--2214b7e2-6067-43a4-baff-4e053c3e4a7e Original source: https://money.tmx.com/en/quote/ISO/news/8985246313351426/isoenergy-confirms-high-grade-uranium-mineralization-on-the-hurricane-south-tren Publisher: tmx Original announcement: 2026-05-12T11:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: IsoEnergy Ltd. - Ticker: ISO - Exchange: TSX - Region: Saskatchewan - Primary commodity: Uranium - Secondary commodities: None reported - Document categories: Drill results, Resource update - Extracted: 2026-08-24 05:40:25 UTC Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas summary IsoEnergy has reported high-grade uranium assay results from its Larocque East project, specifically targeting the Hurricane South Trend. Notable intercepts include 4.21% U3O8 over 3.5 m, highlighting potential to expand the existing Hurricane deposit footprint. Reasoning: Significant high-grade uranium intercepts \(up to 11.6% U3O8\) on a new trend suggest potential for resource expansion. - Positive factor: High-grade uranium intercepts - Positive factor: Step-out extension potential - Positive factor: Proximity to existing mill - Negative factor: True width not yet determined Facts used in scoring: 6 ## Classification and evidence **Bonanza Intercept** Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Why it applies: 11.61% U3O8 is exceptionally high grade for uranium. Evidence · text > including 11.61% U3O8 over 1.0 m **Step-Out Extension** Polarity: positive Definition: Mineralization extended beyond the previously known limit. Why it applies: Mineralization intersected in step-out holes to the east \(LE26-243, LE26-234\) suggests expansion. Evidence · text > along with mineralization intersected in step-out holes to the east like LE26-243 and LE26-234 **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 mentions QP sign-off and specific data verification procedures. Evidence · text > reviewed and approved by Dr. Dan Brisbin, P.Geo... who is a 'Qualified Person' **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 reported intervals do not represent true thickness. Evidence · text > All reported depths and intervals are drillhole depths and intervals, and do not represent true thickness **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: The company reports a significant Indicated resource component. Evidence · text > 48.6 Mlb U3O8 at 34.5% U3O8 Indicated **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: The company reports an Inferred resource component. Evidence · text > 2.7 Mlb U3O8 at 2.2% U3O8 Inferred ## Extracted facts Stored fact records: 6. Some facts used in scoring do not have a stored record. ## Drill Results (6) ### LE26-248 [Link to this fact](https://atlas-staging.minestarters.com/news/isoenergy-confirms-high-grade-uranium-mineralization-on-the-hurricane-south-tren--2214b7e2-6067-43a4-baff-4e053c3e4a7e#fact-drill-facts-0) Larocque East · uranium #### Identity - Hole ID: LE26-248 - Project: Larocque East - Commodity: uranium - Region: canada\_sk - Reported Region: Saskatchewan - Ticker: ISO #### Geometry - Grade: 4.21 - Grade Unit: % U3O8 - Intercept: 3.5 m #### Classification - Program: exploration - Sample Type: drill - Mining Method: unknown #### QA/QC - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: blanks, standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-05-12T00:00:00.000Z Reasoning: 4.21% U3O8 is an exceptional grade for uranium exploration. - Positive factor: Exceptional uranium grade - Negative factor: Apparent width only Evidence · text > LE26-248, 4.21% U3O8 over 3.5 m ### LE26-248 [Link to this fact](https://atlas-staging.minestarters.com/news/isoenergy-confirms-high-grade-uranium-mineralization-on-the-hurricane-south-tren--2214b7e2-6067-43a4-baff-4e053c3e4a7e#fact-drill-facts-1) Larocque East · uranium #### Identity - Hole ID: LE26-248 - Project: Larocque East - Commodity: uranium - Region: canada\_sk - Reported Region: Saskatchewan - Ticker: ISO #### Geometry - Grade: 11.61 - Grade Unit: % U3O8 - Intercept: 1 m #### Classification - Program: exploration - Sample Type: drill - Mining Method: unknown #### QA/QC - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: blanks, standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-05-12T00:00:00.000Z Reasoning: 11.61% U3O8 is an exceptional bonanza-style intercept. - Positive factor: Bonanza grade - Negative factor: Apparent width only Evidence · text > including 11.61% U3O8 over 1.0 m ### LE26-234 [Link to this fact](https://atlas-staging.minestarters.com/news/isoenergy-confirms-high-grade-uranium-mineralization-on-the-hurricane-south-tren--2214b7e2-6067-43a4-baff-4e053c3e4a7e#fact-drill-facts-2) Larocque East · uranium #### Identity - Hole ID: LE26-234 - Project: Larocque East - Commodity: uranium - Region: canada\_sk - Reported Region: Saskatchewan - Ticker: ISO #### Geometry - Grade: 2.75 - Grade Unit: % U3O8 - Intercept: 0.5 m #### Classification - Program: exploration - Sample Type: drill - Mining Method: unknown #### QA/QC - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: blanks, standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-05-12T00:00:00.000Z Reasoning: 2.75% U3O8 is a strong grade for uranium. - Positive factor: Strong uranium grade Evidence · text > 2.75% U3O8 over 0.5 m in LE26-234 ### LE26-243 [Link to this fact](https://atlas-staging.minestarters.com/news/isoenergy-confirms-high-grade-uranium-mineralization-on-the-hurricane-south-tren--2214b7e2-6067-43a4-baff-4e053c3e4a7e#fact-drill-facts-3) Larocque East · uranium #### Identity - Hole ID: LE26-243 - Project: Larocque East - Commodity: uranium - Region: canada\_sk - Reported Region: Saskatchewan - Ticker: ISO #### Geometry - Grade: 1.75 - Grade Unit: % U3O8 - Intercept: 0.5 m #### Classification - Program: exploration - Sample Type: drill - Mining Method: unknown #### QA/QC - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: blanks, standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-05-12T00:00:00.000Z Reasoning: 1.75% U3O8 is a solid grade for uranium exploration. - Positive factor: Economic uranium grade Evidence · text > 1.75% U3O8 over 0.5 m in LE26-243 ### Fact 5 [Link to this fact](https://atlas-staging.minestarters.com/news/isoenergy-confirms-high-grade-uranium-mineralization-on-the-hurricane-south-tren--2214b7e2-6067-43a4-baff-4e053c3e4a7e#fact-drill-facts-4) uranium #### Identity - Commodity: uranium - Ticker: ISO #### Geometry - Grade: 34.5 - Grade Unit: % U3O8 #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-05-12T00:00:00.000Z Reasoning: Large indicated resource at very high grade. - Positive factor: High grade indicated resource Evidence · text > 48.6 Mlb U3O8 at 34.5% U3O8 Indicated ### Fact 6 [Link to this fact](https://atlas-staging.minestarters.com/news/isoenergy-confirms-high-grade-uranium-mineralization-on-the-hurricane-south-tren--2214b7e2-6067-43a4-baff-4e053c3e4a7e#fact-drill-facts-5) uranium #### Identity - Commodity: uranium - Ticker: ISO #### Geometry - Grade: 2.2 - Grade Unit: % U3O8 #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-05-12T00:00:00.000Z Reasoning: Substantial inferred resource component. - Positive factor: Significant inferred resource - Negative factor: Inferred category Evidence · text > 2.7 Mlb U3O8 at 2.2% U3O8 Inferred ## 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.