Noble Plains Uranium Delivers Maiden Resource at Flagship Duck Creek Project in the Powder River Basin, Wyoming

Original announcement by tmx on

Company
Noble Plains Uranium Corp.
Ticker
NOBL
Exchange
TSX
Region
Wyoming
Primary commodity
Uranium
Secondary commodities
None reported
Document categories
Resource update, Other
Extracted
2026-09-14 14:51:57 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Noble Plains Uranium has announced a maiden NI 43-101 compliant mineral resource estimate for the Duck Creek Project in Wyoming, totaling 5.32 million pounds of Indicated and 1.04 million pounds of Inferred uranium. The resource outperforms the previous exploration target in both grade and thickness, with significant untested strike length and potential in the underlying Fort Union Formation remaining.

Reasoning: The announcement of a maiden NI 43-101 compliant resource that exceeds previous exploration targets is a major de-risking milestone for the company.

Positive factors

  • Maiden resource establishment
  • Outperformed prior exploration target on grade and thickness
  • Validation of historical data
  • Significant untested strike remaining
  • Proximity to major players (Cameco, UEC)

Negative factors

  • Permitting and regulatory approvals still required
  • ISR amenability is preliminary
  • Inferred component present

Facts used in scoring: 2

Classification and evidence

Maiden Resourceneutral

First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component. No prior estimate exists, so every change band is not applicable.

Why it applies: First formal MRE for the project.

Evidence · text

“is pleased to announce a maiden mineral resource estimate”

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: Resource estimate prepared in accordance with NI 43-101 standards.

Evidence · text

“prepared in accordance with National Instrument 43-101”

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: Christopher McDowell, P.G. is named as the Qualified Person.

Evidence · text

“authored by Christopher McDowell, P.G., ... and a Qualified Person (" QP ")”

Extracted facts

Stored fact records: 2. Some facts used in scoring do not have a stored record.

Resource Estimates (2)

indicatedDuck Creek Project · uraniumTonnes: 4290000Grade: 0.06Grade Unit: %U3O8Contained Metal: 5.32Contained Unit: mlbsView all details
Link to this fact

Identity

Project
Duck Creek Project
Commodity
uranium
Region
wyoming
Reported Region
Wyoming
Ticker
NOBL

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Christopher McDowell
Resource group id
resource:c24d4c09e61202680c5e
Deposit or zone
Wasatch Formation
Mining method
underground

Resource Data

Category
indicated
Tonnes
4290000
Grade
0.06
Grade Unit
%U3O8
Contained Metal
5.32
Contained Unit
mlbs
Cutoff Grade
0.02
Cutoff Unit
%U3O8

Prior Estimate

Resource Date
2026-02-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-23T00:00:00.000Z

Reasoning: First formal resource estimate for the project.

Positive factors

  • Maiden resource

Evidence · table

“0.06”

Context: 4,290

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

inferredDuck Creek Project · uraniumTonnes: 839000Grade: 0.09Grade Unit: %U3O8Contained Metal: 1.04Contained Unit: mlbsView all details
Link to this fact

Identity

Project
Duck Creek Project
Commodity
uranium
Region
wyoming
Reported Region
Wyoming
Ticker
NOBL

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Christopher McDowell
Resource group id
resource:377caabad0ee2076bf8c
Deposit or zone
Wasatch Formation
Mining method
underground

Resource Data

Category
inferred
Tonnes
839000
Grade
0.09
Grade Unit
%U3O8
Contained Metal
1.04
Contained Unit
mlbs
Cutoff Grade
0.02
Cutoff Unit
%U3O8

Prior Estimate

Resource Date
2026-02-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-23T00:00:00.000Z

Reasoning: Speculative category based on limited information.

Positive factors

  • Maiden resource

Negative factors

  • Inferred category

Evidence · table

“0.09”

Context: 839

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 Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

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.