Myriad Uranium’s Copper Mountain Extends Beyond Historic Resource
Original announcement by cruxinvestor on
- 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
Analysis by Minestarters Atlas
Minestarters Atlas analysis
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 factors
- Phase I assays significantly outperform historical gamma-probe grades
- Phase II drilling identifies mineralisation outside the historic resource footprint
- Consolidated 100% ownership of the Copper Mountain project
- Strong cash position relative to current drilling budget
Negative factors
- Historical resource is not a current NI 43-101 compliant resource
- Exploration targets are conceptual and unconfirmed
Facts used in scoring: 4
Classification and evidence
Step-Out Extensionpositive
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 Resourcenegative
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 Disclosedpositive
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)
CAN0034Copper Mountain · uraniumGrade: 833Grade Unit: ppmIntercept: 0.5 mView all detailsHide details
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 factors
- 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 Disclosedpositive
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Fact 2Copper Mountain · uraniumGrade: 269Grade Unit: ppmIntercept: 19.96 mNeeds review: drill_no_hole_idView all detailsHide details
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 factors
- 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 Disclosedpositive
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Fact 3Copper Mountain · uraniumGrade: 210Grade Unit: ppmIntercept: 34.9 mNeeds review: drill_no_hole_idView all detailsHide details
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 factors
- Long continuous intercept
Evidence · text
“longest at 34.90 m grading 210 ppm eU₃O₈ from 10.65 m”
Tags used in scoring
QA/QC Disclosedpositive
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Resource Estimates (1)
inferredCopper Mountain · uraniumTonnes: 48950000Grade: 269Grade Unit: ppmContained Metal: 26.63Contained Unit: mlbsHistorical resultNeeds review: historical_restatementView all detailsHide details
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 factors
- 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 Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
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.