Stillwater Critical Minerals Reports Wide Polymetallic Expansion Drilling Including 40.8 Meters at 1.0 g/t Palladium, Platinum and Gold, within Nickel-Copper-Cobalt Sulphide Mineralization at Stillwater West, Montana, USA
Original announcement by tmx on
- Company
- Stillwater Critical Minerals Corp.
- Ticker
- PGE
- Exchange
- TSX
- Region
- Montana, USA
- Primary commodity
- Nickel
- Secondary commodities
- Copper, Cobalt, Platinum, Palladium, Gold, Chromium
- Document categories
- Drill results, Resource update
- Extracted
- 2026-09-12 18:49:17 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Stillwater Critical Minerals reported wide polymetallic expansion drilling results at the Stillwater West project in Montana. The 2025 campaign intersected Ni-Cu-Co-PGE-Au mineralization, extending known resource boundaries at both the Chrome Mountain and Iron Mountain deposits.
Reasoning: Significant step-out drilling results extending known mineralization at both Chrome Mountain and Iron Mountain, with high-grade PGE-Au enrichment and clear continuity.
Positive factors
- Step-Out Extension
- QA/QC Disclosed
- Wide continuous intercepts
- Polymetallic enrichment
Negative factors
- Non-independent QP
Facts used in scoring: 12
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Drilling at Chrome Mountain extends mineralization eastward toward historic holes, and Iron Mountain results extend mineralization 50m in both directions.
Evidence · text
“Chrome Mountain results extend known mineralization eastward toward historic drill holes... Iron Mountain results extend known mineralization approximately 50 meters in both east and west directions”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release details sample preparation, assay methods (fire assay, peroxide fusion), and use of blanks, duplicates, and standards.
Evidence · text
“Following industry QA/QC standards, blanks, duplicate samples, and certified standards were also assayed.”
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: Project is located immediately adjacent to Sibanye-Stillwater's Stillwater mines.
Evidence · text
“located immediately adjacent to Sibanye-Stillwater's Stillwater mines”
Extracted facts
Stored fact records: 12. Some facts used in scoring do not have a stored record.
Drill Results (12)
CM2025-01Stillwater West · nickelGrade: 0.47Grade Unit: %Intercept: 4.7 mView all detailsHide details
Identity
- Hole ID
- CM2025-01
- Project
- Stillwater West
- Commodity
- nickel
- Region
- usa_mt
- Reported Region
- usa_mt
- Ticker
- PGE
Geometry
- Grade
- 0.47
- Grade Unit
- %
- Intercept
- 4.7 m
- From
- 116.6 m
- To
- 121.3 m
- Intercept Depth
- 116.6 m
Classification
- Sample Type
- drill
- Group ID
- CM2025-01:116.6-121.3
- Mining Method
- open_pit
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
- 2026-03-03T00:00:00.000Z
Reasoning: Standard mid-grade intercept within a larger Ni-Cu-Co system.
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
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 · copperGrade: 0.48Grade Unit: %Intercept: 4.7 mView all detailsHide details
Identity
- Hole ID
- CM2025-01
- Project
- Stillwater West
- Commodity
- copper
- Region
- usa_mt
- Reported Region
- usa_mt
- Ticker
- PGE
Geometry
- Grade
- 0.48
- Grade Unit
- %
- Intercept
- 4.7 m
- From
- 116.6 m
- To
- 121.3 m
- Intercept Depth
- 116.6 m
Classification
- Sample Type
- drill
- Group ID
- CM2025-01:116.6-121.3
- Mining Method
- open_pit
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
- 2026-03-03T00:00:00.000Z
Reasoning: Standard mid-grade intercept within a larger Ni-Cu-Co system.
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
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 · cobaltGrade: 0.05Grade Unit: %Intercept: 4.7 mView all detailsHide details
Identity
- Hole ID
- CM2025-01
- Project
- Stillwater West
- Commodity
- cobalt
- Region
- usa_mt
- Reported Region
- usa_mt
- Ticker
- PGE
Geometry
- Grade
- 0.05
- Grade Unit
- %
- Intercept
- 4.7 m
- From
- 116.6 m
- To
- 121.3 m
- Intercept Depth
- 116.6 m
Classification
- Sample Type
- drill
- Group ID
- CM2025-01:116.6-121.3
- Mining Method
- open_pit
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
- 2026-03-03T00:00:00.000Z
Reasoning: Standard mid-grade intercept within a larger Ni-Cu-Co system.
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
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 · goldGrade: 0.25Grade Unit: g/tIntercept: 4.7 mView all detailsHide details
Identity
- Hole ID
- CM2025-01
- Project
- Stillwater West
- Commodity
- gold
- Region
- usa_mt
- Reported Region
- usa_mt
- Ticker
- PGE
Geometry
- Grade
- 0.25
- Grade Unit
- g/t
- Intercept
- 4.7 m
- From
- 116.6 m
- To
- 121.3 m
- Intercept Depth
- 116.6 m
Classification
- Sample Type
- drill
- Group ID
- CM2025-01:116.6-121.3
- Mining Method
- open_pit
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
- 2026-03-03T00:00:00.000Z
Reasoning: Standard mid-grade intercept within a larger Ni-Cu-Co system.
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
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 · platinumGrade: 0.48Grade Unit: g/tIntercept: 4.9 mView all detailsHide details
Identity
- Hole ID
- CM2025-01
- Project
- Stillwater West
- Commodity
- platinum
- Region
- usa_mt
- Reported Region
- usa_mt
- Ticker
- PGE
Geometry
- Grade
- 0.48
- Grade Unit
- g/t
- Intercept
- 4.9 m
- From
- 354.2 m
- To
- 359.1 m
- Intercept Depth
- 354.2 m
Classification
- Sample Type
- drill
- Group ID
- CM2025-01:354.2-359.1
- Mining Method
- open_pit
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
- 2026-03-03T00:00:00.000Z
Reasoning: High-grade PGE component within a wide intercept.
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
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 · palladiumGrade: 1.34Grade Unit: g/tIntercept: 4.9 mView all detailsHide details
Identity
- Hole ID
- CM2025-01
- Project
- Stillwater West
- Commodity
- palladium
- Region
- usa_mt
- Reported Region
- usa_mt
- Ticker
- PGE
Geometry
- Grade
- 1.34
- Grade Unit
- g/t
- Intercept
- 4.9 m
- From
- 354.2 m
- To
- 359.1 m
- Intercept Depth
- 354.2 m
Classification
- Sample Type
- drill
- Group ID
- CM2025-01:354.2-359.1
- Mining Method
- open_pit
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
- 2026-03-03T00:00:00.000Z
Reasoning: High-grade PGE component within a wide intercept.
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
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"
CM2025-02Stillwater West · palladiumGrade: 0.98Grade Unit: g/tIntercept: 3.7 mView all detailsHide details
Identity
- Hole ID
- CM2025-02
- Project
- Stillwater West
- Commodity
- palladium
- Region
- usa_mt
- Reported Region
- usa_mt
- Ticker
- PGE
Geometry
- Grade
- 0.98
- Grade Unit
- g/t
- Intercept
- 3.7 m
- From
- 383.4 m
- To
- 387.1 m
- Intercept Depth
- 383.4 m
Classification
- Sample Type
- drill
- Group ID
- CM2025-02:383.4-387.1
- Mining Method
- open_pit
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
- 2026-03-03T00:00:00.000Z
Reasoning: High-grade PGE component within a narrow intercept.
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
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 · nickelGrade: 0.37Grade Unit: %Intercept: 13.4 mView all detailsHide details
Identity
- Hole ID
- IM2025-01
- Project
- Stillwater West
- Commodity
- nickel
- Region
- usa_mt
- Reported Region
- usa_mt
- Ticker
- PGE
Geometry
- Grade
- 0.37
- Grade Unit
- %
- Intercept
- 13.4 m
- From
- 402.3 m
- To
- 415.7 m
- Intercept Depth
- 402.3 m
Classification
- Sample Type
- drill
- Group ID
- IM2025-01:402.3-415.7
- Mining Method
- open_pit
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
- 2026-03-03T00:00:00.000Z
Reasoning: Standard mid-grade intercept within a larger Ni-Cu-Co system.
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
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 · copperGrade: 0.18Grade Unit: %Intercept: 13.4 mView all detailsHide details
Identity
- Hole ID
- IM2025-01
- Project
- Stillwater West
- Commodity
- copper
- Region
- usa_mt
- Reported Region
- usa_mt
- Ticker
- PGE
Geometry
- Grade
- 0.18
- Grade Unit
- %
- Intercept
- 13.4 m
- From
- 402.3 m
- To
- 415.7 m
- Intercept Depth
- 402.3 m
Classification
- Sample Type
- drill
- Group ID
- IM2025-01:402.3-415.7
- Mining Method
- open_pit
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
- 2026-03-03T00:00:00.000Z
Reasoning: Standard mid-grade intercept within a larger Ni-Cu-Co system.
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
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"
IM2025-02Stillwater West · platinumGrade: 0.34Grade Unit: g/tIntercept: 3 mView all detailsHide details
Identity
- Hole ID
- IM2025-02
- Project
- Stillwater West
- Commodity
- platinum
- Region
- usa_mt
- Reported Region
- usa_mt
- Ticker
- PGE
Geometry
- Grade
- 0.34
- Grade Unit
- g/t
- Intercept
- 3 m
- From
- 487.7 m
- To
- 490.7 m
- Intercept Depth
- 487.7 m
Classification
- Sample Type
- drill
- Group ID
- IM2025-02:487.7-490.7
- Mining Method
- open_pit
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
- 2026-03-03T00:00:00.000Z
Reasoning: High-grade PGE component within a narrow intercept.
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
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"
IM2025-02Stillwater West · palladiumGrade: 0.5Grade Unit: g/tIntercept: 3 mView all detailsHide details
Identity
- Hole ID
- IM2025-02
- Project
- Stillwater West
- Commodity
- palladium
- Region
- usa_mt
- Reported Region
- usa_mt
- Ticker
- PGE
Geometry
- Grade
- 0.5
- Grade Unit
- g/t
- Intercept
- 3 m
- From
- 487.7 m
- To
- 490.7 m
- Intercept Depth
- 487.7 m
Classification
- Sample Type
- drill
- Group ID
- IM2025-02:487.7-490.7
- Mining Method
- open_pit
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
- 2026-03-03T00:00:00.000Z
Reasoning: High-grade PGE component within a narrow intercept.
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
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"
IM2025-02Stillwater West · goldGrade: 2.87Grade Unit: g/tIntercept: 3 mView all detailsHide details
Identity
- Hole ID
- IM2025-02
- Project
- Stillwater West
- Commodity
- gold
- Region
- usa_mt
- Reported Region
- usa_mt
- Ticker
- PGE
Geometry
- Grade
- 2.87
- Grade Unit
- g/t
- Intercept
- 3 m
- From
- 487.7 m
- To
- 490.7 m
- Intercept Depth
- 487.7 m
Classification
- Sample Type
- drill
- Group ID
- IM2025-02:487.7-490.7
- Mining Method
- open_pit
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
- 2026-03-03T00:00:00.000Z
Reasoning: High-grade gold component within a narrow intercept.
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
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.