Stillwater Reports Rhodium Results and Highlights Defined Chromium at Stillwater West, Montana, USA

Original announcement by tmx on

Company
Stillwater Critical Minerals Corp.
Ticker
PGE
Exchange
TSX
Region
Montana, USA
Primary commodity
Rhodium
Secondary commodities
Chromium, Nickel, Copper, Cobalt, Platinum, Palladium, Gold
Document categories
Drill results, Resource update
Extracted
2026-09-12 18:37:36 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Stillwater Critical Minerals reports rhodium assay results from its 2025 drill campaign, confirming widespread mineralization at potential co-product levels. The company also highlights a defined chromium resource of 2.3 billion pounds at the Stillwater West project.

Reasoning: The results confirm rhodium as a potential co-product and define a significant chromium resource, supporting the polymetallic nature of the project.

Positive factors

  • widespread rhodium mineralization confirmed
  • chromium resource defined
  • district-scale polymetallic system

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: Release mentions blanks, duplicate samples, and certified standards analyzed by ACT Labs.

Evidence · text

“Following industry QA/QC standards, blanks, duplicate samples, and certified standards were also assayed.”

Extracted facts

Stored fact records: 6. Some facts used in scoring do not have a stored record.

Drill Results (6)

CM2025-01Stillwater West · rhodiumGrade: 0.167Grade Unit: g/tIntercept: 1.22 mView all details
Link to this fact

Identity

Hole ID
CM2025-01
Project
Stillwater West
Commodity
rhodium
Region
usa_mt
Reported Region
usa_mt
Ticker
PGE

Geometry

Grade
0.167
Grade Unit
g/t
Intercept
1.22 m
From
358 m
To
359.22 m
Intercept Depth
358 m

Classification

Program
resource
Sample Type
drill
Group ID
CM2025-01:358-359.22
Mining Method
unknown

Location

Location
Chrome Mountain
Loc. Source
document

QA/QC

Laboratory
ACT Labs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-21T00:00:00.000Z

Reasoning: 0.167 g/t Rh over 1.22m supports rhodium as a co-product.

Positive factors

  • intercept confirms rhodium presence

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Stillwater also holds a 49% interest in the high-grade Drayton-Black Lake-gold project adjacent to Nexgold Mining's deve"

CM2025-01Stillwater West · rhodiumGrade: 0.107Grade Unit: g/tIntercept: 1.22 mView all details
Link to this fact

Identity

Hole ID
CM2025-01
Project
Stillwater West
Commodity
rhodium
Region
usa_mt
Reported Region
usa_mt
Ticker
PGE

Geometry

Grade
0.107
Grade Unit
g/t
Intercept
1.22 m
From
388 m
To
389.22 m
Intercept Depth
388 m

Classification

Program
resource
Sample Type
drill
Group ID
CM2025-01:388-389.22
Mining Method
unknown

Location

Location
Chrome Mountain
Loc. Source
document

QA/QC

Laboratory
ACT Labs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-21T00:00:00.000Z

Reasoning: Second interval in CM2025-01 confirms rhodium mineralization.

Positive factors

  • confirms continuity

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Stillwater also holds a 49% interest in the high-grade Drayton-Black Lake-gold project adjacent to Nexgold Mining's deve"

IM2025-01Stillwater West · rhodiumGrade: 0.148Grade Unit: g/tIntercept: 1.22 mView all details
Link to this fact

Identity

Hole ID
IM2025-01
Project
Stillwater West
Commodity
rhodium
Region
usa_mt
Reported Region
usa_mt
Ticker
PGE

Geometry

Grade
0.148
Grade Unit
g/t
Intercept
1.22 m
From
272 m
To
273.22 m
Intercept Depth
272 m

Classification

Program
resource
Sample Type
drill
Group ID
IM2025-01:272-273.22
Mining Method
unknown

Location

Location
Iron Mountain
Loc. Source
document

QA/QC

Laboratory
ACT Labs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-21T00:00:00.000Z

Reasoning: Intercept at Iron Mountain demonstrates the scale of the mineralized system.

Positive factors

  • demonstrates district-scale nature

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Stillwater also holds a 49% interest in the high-grade Drayton-Black Lake-gold project adjacent to Nexgold Mining's deve"

CM2023-03Stillwater West · rhodiumGrade: 1.13Grade Unit: g/tIntercept: 1.2 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CM2023-03
Project
Stillwater West
Commodity
rhodium
Region
usa_mt
Reported Region
usa_mt
Ticker
PGE

Geometry

Grade
1.13
Grade Unit
g/t
Intercept
1.2 m

Classification

Sample Type
drill

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-05-21T00:00:00.000Z

Reasoning: Historical high-grade intercept at Chrome Mountain.

Positive factors

  • high grade

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Stillwater also holds a 49% interest in the high-grade Drayton-Black Lake-gold project adjacent to Nexgold Mining's deve"

CM2023-01Stillwater West · rhodiumGrade: 0.162Grade Unit: g/tIntercept: 3.7 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CM2023-01
Project
Stillwater West
Commodity
rhodium
Region
usa_mt
Reported Region
usa_mt
Ticker
PGE

Geometry

Grade
0.162
Grade Unit
g/t
Intercept
3.7 m

Classification

Sample Type
drill

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-05-21T00:00:00.000Z

Reasoning: Historical intercept at Chrome Mountain.

Positive factors

  • good width

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Stillwater also holds a 49% interest in the high-grade Drayton-Black Lake-gold project adjacent to Nexgold Mining's deve"

Fact 6Stillwater West · chromiumView all details
Link to this fact

Identity

Project
Stillwater West
Commodity
chromium
Region
usa_mt
Reported Region
Montana, USA
Ticker
PGE

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-21T00:00:00.000Z

Reasoning: Defined a massive chromium resource of 2.3 billion pounds.

Positive factors

  • significant resource scale

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not 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

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Stillwater also holds a 49% interest in the high-grade Drayton-Black Lake-gold project adjacent to Nexgold Mining's deve"

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.