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 15:19:50 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

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 factors

  • Phase I assays 20-60% higher than historical gamma grades
  • Phase II drilling extending mineralization outside historic footprint
  • Strong cash position relative to budget
  • Consolidated 100% ownership

Negative factors

  • Historical resource is not NI 43-101 compliant
  • Requires significant capital to convert to current resource

Facts used in scoring: 6

Classification and evidence

QA/QC Disclosedpositive

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 Extensionpositive

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)

CAN0034Copper Mountain · uraniumGrade: 833Grade Unit: ppmIntercept: 0.5 mView all details
Link to this fact

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 factors

  • 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 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

Lucky Cliff (best interval)Copper Mountain · uraniumGrade: 269Grade Unit: ppmIntercept: 19.96 mNeeds review: ungroundedView all details
Link to this fact

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 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

Lucky Cliff (peak)Copper Mountain · uraniumGrade: 1336Grade Unit: ppmNeeds review: ungroundedView all details
Link to this fact

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 factors

  • High peak grade

Evidence · text

“a peak grade of 1,336 ppm”

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

Gem (longest)Copper Mountain · uraniumGrade: 210Grade Unit: ppmIntercept: 34.9 mNeeds review: ungroundedView all details
Link to this fact

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 factors

  • Significant width

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

Gem (peak)Copper Mountain · uraniumGrade: 1368Grade Unit: ppmNeeds review: ungroundedView all details
Link to this fact

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 factors

  • High peak grade

Evidence · text

“a peak grade of 1,368 ppm”

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 details
Link to this fact

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 factors

  • Historical estimate not NI 43-101 compliant
  • 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 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

Stale Estimatenegative

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.