# Myriad Uranium’s Copper Mountain Extends Beyond Historic Resource Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/myriad-uranium-s-copper-mountain-extends-beyond-historic-resource--ed196d93-a833-4452-9421-565f5742fdd0 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: 2026-09-18T15:19:49.936Z Atlas analysis updated: 2026-09-18T15:19:49.936Z - 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 15:19:50 UTC Narrative sentiment: 0.70 · Bullish ## Minestarters Atlas summary Myriad Uranium's Phase I drilling at the Canning deposit yielded chemical assays 20-60% higher than historical gamma-probe grades. Phase II drilling is currently expanding the footprint at the Lucky Cliff and Gem prospects, targeting mineralization outside the historic resource area. Reasoning: Phase I results significantly outperform historical gamma-probe estimates, and Phase II is successfully identifying new mineralized zones outside the historic footprint. - Positive factor: Phase I assays 20-60% higher than historical gamma grades - Positive factor: Phase II drilling extending mineralization outside historic footprint - Positive factor: Strong cash position relative to budget - Positive factor: Consolidated 100% ownership - Negative factor: Historical resource is not NI 43-101 compliant - Negative factor: Requires significant capital to convert to current resource Facts used in scoring: 6 ## 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: Phase I results used chemical assays to verify historical gamma-probe grades. Evidence · text > Chemical assays across the 34 holes came in 20-60% higher than the historical equivalent-uranium \(eU3O8\) grades **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 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. ## Extracted facts Stored fact records: 6. Some facts used in scoring do not have a stored record. ## Drill Results (5) ### CAN0034 [Link to this fact](https://atlas-staging.minestarters.com/news/myriad-uranium-s-copper-mountain-extends-beyond-historic-resource--ed196d93-a833-4452-9421-565f5742fdd0#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: Significant grade uplift compared to historical radiometric data. - Positive factor: Grade improvement >250% over historical gamma 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 ### Lucky Cliff \(best interval\) [Link to this fact](https://atlas-staging.minestarters.com/news/myriad-uranium-s-copper-mountain-extends-beyond-historic-resource--ed196d93-a833-4452-9421-565f5742fdd0#fact-drill-facts-1) Copper Mountain · uranium Needs review: ungrounded #### Identity - Hole ID: Lucky Cliff \(best interval\) - 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: Lucky Cliff \(best interval\):18-37.96 #### 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: 2026-09-18T00:00:00.000Z Reasoning: Strong intercept at a new 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 ### Lucky Cliff \(peak\) [Link to this fact](https://atlas-staging.minestarters.com/news/myriad-uranium-s-copper-mountain-extends-beyond-historic-resource--ed196d93-a833-4452-9421-565f5742fdd0#fact-drill-facts-2) Copper Mountain · uranium Needs review: ungrounded #### Identity - Hole ID: Lucky Cliff \(peak\) - Project: Copper Mountain - Commodity: uranium - Region: wyoming - Reported Region: wyoming - Ticker: M #### Geometry - Grade: 1336 - Grade Unit: ppm #### Classification - Sample Type: drill #### 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: 2026-09-18T00:00:00.000Z Reasoning: High grade intercept reported. - Positive factor: High peak grade Evidence · text > a peak grade of 1,336 ppm #### 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 ### Gem \(longest\) [Link to this fact](https://atlas-staging.minestarters.com/news/myriad-uranium-s-copper-mountain-extends-beyond-historic-resource--ed196d93-a833-4452-9421-565f5742fdd0#fact-drill-facts-3) Copper Mountain · uranium Needs review: ungrounded #### Identity - Hole ID: Gem \(longest\) - 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: Gem \(longest\):10.65-45.55 #### 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: 2026-09-18T00:00:00.000Z Reasoning: Continuous mineralisation at Gem prospect. - Positive factor: Significant width 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 ### Gem \(peak\) [Link to this fact](https://atlas-staging.minestarters.com/news/myriad-uranium-s-copper-mountain-extends-beyond-historic-resource--ed196d93-a833-4452-9421-565f5742fdd0#fact-drill-facts-4) Copper Mountain · uranium Needs review: ungrounded #### Identity - Hole ID: Gem \(peak\) - Project: Copper Mountain - Commodity: uranium - Region: wyoming - Reported Region: wyoming - Ticker: M #### Geometry - Grade: 1368 - Grade Unit: ppm #### Classification - Sample Type: drill #### 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: 2026-09-18T00:00:00.000Z Reasoning: High grade intercept reported at Gem. - Positive factor: High peak grade Evidence · text > a peak grade of 1,368 ppm #### 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-staging.minestarters.com/news/myriad-uranium-s-copper-mountain-extends-beyond-historic-resource--ed196d93-a833-4452-9421-565f5742fdd0#fact-resource-facts-5) 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:52b8d9cee23895630095 - Deposit or zone: seven deposits #### 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 - Historical Source Date: 1977-01-01T00:00:00.000Z #### Dates - Event date: 2026-09-18T00:00:00.000Z Reasoning: Large historical resource base, but lacks modern compliance and verification. - Negative factor: Historical estimate not NI 43-101 compliant - Negative factor: No Qualified Person sign-off for current classification 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 **Stale Estimate** Polarity: negative Definition: Effective date is >2 years old — data currency concern, may not reflect current geological understanding. Why it applies: effective date is 49.7 years before this 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.