# Myriad Uranium’s Copper Mountain Extends Beyond Historic Resource Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/myriad-uranium-s-copper-mountain-extends-beyond-historic-resource--39ceacf8-e456-4eb2-931a-1bf438ab38fb Original source: https://www.cruxinvestor.com/posts/myriad-uraniums-copper-mountain-extends-beyond-historic-resource Publisher: cruxinvestor Original announcement: 2026-09-18T00:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Myriad Uranium Corp. - Ticker: M - Exchange: Unavailable - Region: Wyoming - Primary commodity: Uranium - Secondary commodities: None reported - Document categories: Drill results, Resource update - Extracted: 2026-09-18 15:21:36 UTC Narrative sentiment: 0.60 · Bullish ## Minestarters Atlas summary Myriad Uranium's Phase II drilling at the Copper Mountain project in Wyoming is expanding the mineralised footprint beyond the 26.63 Mlb historical resource. Modern chemical assays from Phase I showed grades 20-60% higher than historical gamma-probe data, and recent Phase II results at Lucky Cliff and Gem have intersected new mineralisation. Reasoning: The document reports significant grade uplift from modern assays compared to historical data and successful step-out drilling at Lucky Cliff and Gem, though the primary resource remains historical. - Positive factor: Phase I assays significantly outperform historical gamma-probe grades - Positive factor: Phase II drilling identifies mineralisation outside the historic resource footprint - Positive factor: Consolidated 100% ownership of the Copper Mountain project - Positive factor: Strong cash position relative to current drilling budget - Negative factor: Historical resource is not a current NI 43-101 compliant resource - Negative factor: Exploration targets are conceptual and unconfirmed Facts used in scoring: 4 ## Classification and evidence **Step-Out Extension** Polarity: positive Definition: Mineralization extended beyond the previously known limit. Why it applies: Phase II drilling at Lucky Cliff and Gem is adding mineralisation entirely outside the historic resource footprint. Evidence · text > Phase II drilling is currently underway, with the Lucky Cliff prospect and new geophysical targets adding mineralisation entirely outside the historic resource footprint. **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: The document explicitly states that the historical estimates are not current mineral resources and remain conceptual under NI 43-101. Evidence · text > a Qualified Person has not done sufficient work to classify either estimate as a current mineral resource, and Myriad is not treating them as such; both remain historical and conceptual under NI 43-101 **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 document mentions chemical assays were used to outperform historical gamma-probe grades. Evidence · text > Chemical assays across the 34 holes came in 20-60% higher than the historical equivalent-uranium \(eU₃O₈\) grades ## Extracted facts Stored fact records: 4. Some facts used in scoring do not have a stored record. ## Drill Results (3) ### CAN0034 [Link to this fact](https://atlas-extractions.minestarters.com/news/myriad-uranium-s-copper-mountain-extends-beyond-historic-resource--39ceacf8-e456-4eb2-931a-1bf438ab38fb#fact-drill-facts-0) Copper Mountain · uranium #### Identity - Hole ID: CAN0034 - Project: Copper Mountain - Commodity: uranium - Region: wyoming - Reported Region: wyoming - Ticker: M #### Geometry - Grade: 833 - Grade Unit: ppm - Intercept: 0.5 m - From: 454 m - To: 454.5 m - Intercept Depth: 454 m #### Classification - Sample Type: drill - Group ID: CAN0034:454-454.5 #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-18T00:00:00.000Z Reasoning: High-grade intercept showing massive improvement over historical probe data. - Positive factor: Significant grade uplift compared to historical gamma data Evidence · text > One hole, CAN0034, saw grade improve by more than 250%, from 344 ppm eU₃O₈ \(gamma\) to 833 ppm U₃O₈ \(assay\) over 0.5 m at 454 m depth. #### 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 ### Fact 2 [Link to this fact](https://atlas-extractions.minestarters.com/news/myriad-uranium-s-copper-mountain-extends-beyond-historic-resource--39ceacf8-e456-4eb2-931a-1bf438ab38fb#fact-drill-facts-1) Copper Mountain · uranium Needs review: drill\_no\_hole\_id #### Identity - Project: Copper Mountain - Commodity: uranium - Region: wyoming - Reported Region: wyoming - Ticker: M #### Geometry - Grade: 269 - Grade Unit: ppm - Intercept: 19.96 m - From: 18 m - To: 37.96 m - Intercept Depth: 18 m #### Classification - Sample Type: drill - Group ID: Copper\_Mountain:18-37.96 #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: Yes - Review Reason: drill\_no\_hole\_id - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-18T00:00:00.000Z Reasoning: Strong intercept at Lucky Cliff prospect. - Positive factor: Significant width and grade outside historic footprint Evidence · text > best interval of 19.96 m at 269 ppm eU₃O₈ from 18 m depth #### 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 ### Fact 3 [Link to this fact](https://atlas-extractions.minestarters.com/news/myriad-uranium-s-copper-mountain-extends-beyond-historic-resource--39ceacf8-e456-4eb2-931a-1bf438ab38fb#fact-drill-facts-2) Copper Mountain · uranium Needs review: drill\_no\_hole\_id #### Identity - Project: Copper Mountain - Commodity: uranium - Region: wyoming - Reported Region: wyoming - Ticker: M #### Geometry - Grade: 210 - Grade Unit: ppm - Intercept: 34.9 m - From: 10.65 m - To: 45.55 m - Intercept Depth: 10.65 m #### Classification - Sample Type: drill - Group ID: Copper\_Mountain:10.65-45.55 #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: Yes - Review Reason: drill\_no\_hole\_id - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-18T00:00:00.000Z Reasoning: Encouraging result from Gem prospect. - Positive factor: Long continuous intercept Evidence · text > longest at 34.90 m grading 210 ppm eU₃O₈ from 10.65 m #### 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 ## Resource Estimates (1) ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/myriad-uranium-s-copper-mountain-extends-beyond-historic-resource--39ceacf8-e456-4eb2-931a-1bf438ab38fb#fact-resource-facts-3) Copper Mountain · uranium Historical result Needs review: historical\_restatement #### Identity - Project: Copper Mountain - Commodity: uranium - Region: wyoming - Reported Region: Wyoming - Ticker: M #### Resource scope - Estimate type: resource - Resource group id: resource:6f9106ffad49cb5b6df2 #### Resource Data - Category: inferred - Tonnes: 48950000 - Grade: 269 - Grade Unit: ppm - Contained Metal: 26.63 - Contained Unit: mlbs #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes #### Dates - Event date: 2026-09-18T00:00:00.000Z Reasoning: Historical estimate based on 1970s data. - Negative factor: Not a current NI 43-101 resource Evidence · text > The resulting historical estimate across the seven deposits stands at 26.63 Mlbs eU₃O₈ in 48.95 Mt at an average grade of 269 ppm \(RMEC, 1977\). #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: category is "inferred" **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.