Stuhini Identifies High-Grade Copper-Gold Porphyry Target at Ruby Creek Project, BC
Original announcement by tmx on
- Company
- Stuhini Exploration Ltd.
- Ticker
- STU
- Exchange
- TSX
- Region
- British Columbia
- Primary commodity
- Copper
- Secondary commodities
- Gold, Silver, Molybdenum
- Document categories
- Drill results, Other
- Extracted
- 2026-09-14 15:15:26 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Stuhini Exploration has identified a new copper-gold porphyry target at the Ruby Creek Project in British Columbia. Surface grab samples returned high-grade intercepts including up to 8.1% Cu and 36.8 g/t Au, with magnetic data suggesting a strike length of approximately 1 km.
Reasoning: Discovery of a new copper-gold porphyry target with high-grade surface grab samples and supporting magnetic data.
Positive factors
- High-grade copper intercepts up to 8.1%
- High-grade gold intercepts up to 36.8 g/t
- Discovery of a new porphyry target
- QA/QC protocols and QP sign-off disclosed
Negative factors
- Results are from grab samples (surface/talus), not drill intercepts
- Scale and continuity are currently conceptual
Facts used in scoring: 4
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 details specific lab protocols, digestion methods, and verification by a QP.
Evidence · text
“All results have passed the QA/QC screening by the lab.”
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: Silver grades of 16,030 g/t Ag are exceptionally high.
Evidence · text
“silver samples up to 16,030 g/t Ag”
Extracted facts
Stored fact records: 4. Some facts used in scoring do not have a stored record.
Drill Results (4)
Fact 1Ruby Creek Project · copperGrade: 8.1Grade Unit: %View all detailsHide details
Identity
- Project
- Ruby Creek Project
- Commodity
- copper
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- STU
Geometry
- Grade
- 8.1
- Grade Unit
- %
Classification
- Sample Type
- surface
Location
- Location
- Ruffner
- Loc. Source
- document
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-11-04T00:00:00.000Z
Reasoning: 8.1% Cu is an exceptionally high grade for a surface grab sample.
Positive factors
- Exceptional grade for surface grab sample
Negative factors
- Surface grab sample only, no thickness or depth
Evidence · text
“assays up to 8.1% Cu”
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
Fact 2Ruby Creek Project · goldGrade: 36.8Grade Unit: g/tView all detailsHide details
Identity
- Project
- Ruby Creek Project
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- STU
Geometry
- Grade
- 36.8
- Grade Unit
- g/t
Classification
- Sample Type
- surface
Location
- Location
- Ruffner
- Loc. Source
- document
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-11-04T00:00:00.000Z
Reasoning: 36.8 g/t Au is a very high grade for a surface talus float sample.
Positive factors
- High-grade gold intercept
Negative factors
- Surface grab sample only, no thickness or depth
Evidence · text
“36.8 g/t Au from talus float”
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
Fact 3Ruby Creek Project · goldGrade: 13Grade Unit: g/tView all detailsHide details
Identity
- Project
- Ruby Creek Project
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- STU
Geometry
- Grade
- 13
- Grade Unit
- g/t
Classification
- Sample Type
- surface
Location
- Location
- Ruffner
- Loc. Source
- document
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-11-04T00:00:00.000Z
Reasoning: 13.0 g/t Au is a strong grade for an outcrop sample.
Positive factors
- High-grade gold intercept
Negative factors
- Surface grab sample only
Evidence · text
“13.0 g/t Au from outcrop”
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
Fact 4Silver Surprise Zone · silverGrade: 16030Grade Unit: g/tView all detailsHide details
Identity
- Project
- Silver Surprise Zone
- Commodity
- silver
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- STU
Geometry
- Grade
- 16030
- Grade Unit
- g/t
Classification
- Sample Type
- surface
Location
- Location
- Silver Surprise Zone
- Loc. Source
- document
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-11-04T00:00:00.000Z
Reasoning: 16,030 g/t Ag is an exceptional bonanza grade.
Positive factors
- Bonanza grade silver
Negative factors
- Surface sample only
Evidence · text
“silver samples up to 16,030 g/t Ag”
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
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.