Porphyry Copper-Gold Mineralization Extended at Cowtrail Project, British Columbia
Original announcement by tmx on
- Company
- Cariboo Rose Resources Ltd.
- Ticker
- CRB
- Exchange
- TSX
- Region
- British Columbia
- Primary commodity
- Copper
- Secondary commodities
- Gold
- Document categories
- Drill results, Other
- Extracted
- 2026-08-21 06:45:11 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Cariboo Rose Resources has announced drill results from its Cowtrail Project in British Columbia, confirming the extension of porphyry copper-gold mineralization in the Lea Lake Zone. The 2025 diamond drill program successfully identified continuity along a southwest-trending corridor, with mineralization remaining open at depth and along strike.
Reasoning: Drill results confirm the extension of porphyry-style mineralization beyond historical intercepts, although grades remain in the low-to-moderate range for a porphyry system.
Positive factors
- mineralization extension
- continuity confirmed
- open at depth and strike
Negative factors
- low grades
Facts used in scoring: 12
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 standards and blanks were inserted and results were verified by a QP.
Evidence · text
“Standards and blanks were inserted by the company”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Results confirm mineralization extending beyond the original 2007 discovery intercept.
Evidence · text
“extending beyond the original 2007 discovery intercept”
Extracted facts
Stored fact records: 12. Some facts used in scoring do not have a stored record.
Drill Results (12)
CT25-23Cowtrail Project · copperGrade: 0.2Grade Unit: %Intercept: 70 mView all detailsHide details
Identity
- Hole ID
- CT25-23
- Project
- Cowtrail Project
- Commodity
- copper
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- CRB
Geometry
- Grade
- 0.2
- Grade Unit
- %
- Intercept
- 70 m
- From
- 86 m
- To
- 156 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CT25-23:86.0-156.0
- Mining Method
- open_pit
QA/QC
- Laboratory
- MSALABS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-12-01T00:00:00.000Z
Reasoning: 70m intercept at 0.20% Cu confirms porphyry continuity.
Positive factors
- significant width
Negative factors
- low grade
Evidence · table
“0.20”
Context: 70.0
CT25-23Cowtrail Project · goldGrade: 0.1Grade Unit: g/tIntercept: 70 mView all detailsHide details
Identity
- Hole ID
- CT25-23
- Project
- Cowtrail Project
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- CRB
Geometry
- Grade
- 0.1
- Grade Unit
- g/t
- Intercept
- 70 m
- From
- 86 m
- To
- 156 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CT25-23:86.0-156.0
- Mining Method
- open_pit
QA/QC
- Laboratory
- MSALABS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-12-01T00:00:00.000Z
Reasoning: 0.10 g/t Au is low grade for gold.
Negative factors
- low grade
Evidence · table
“0.100”
Context: 70.0
CT25-23Cowtrail Project · copperGrade: 0.26Grade Unit: %Intercept: 20 mView all detailsHide details
Identity
- Hole ID
- CT25-23
- Project
- Cowtrail Project
- Commodity
- copper
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- CRB
Geometry
- Grade
- 0.26
- Grade Unit
- %
- Intercept
- 20 m
- From
- 86 m
- To
- 106 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CT25-23:86.0-106.0
- Mining Method
- open_pit
QA/QC
- Laboratory
- MSALABS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-12-01T00:00:00.000Z
Reasoning: Higher grade sub-interval within the main intercept.
Evidence · table
“0.26”
Context: 20.0
CT25-23Cowtrail Project · goldGrade: 0.14Grade Unit: g/tIntercept: 20 mView all detailsHide details
Identity
- Hole ID
- CT25-23
- Project
- Cowtrail Project
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- CRB
Geometry
- Grade
- 0.14
- Grade Unit
- g/t
- Intercept
- 20 m
- From
- 86 m
- To
- 106 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CT25-23:86.0-106.0
- Mining Method
- open_pit
QA/QC
- Laboratory
- MSALABS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-12-01T00:00:00.000Z
Reasoning: Sub-interval grade increase.
Evidence · table
“0.140”
Context: 20.0
CT25-24Cowtrail Project · copperGrade: 0.11Grade Unit: %Intercept: 108 mView all detailsHide details
Identity
- Hole ID
- CT25-24
- Project
- Cowtrail Project
- Commodity
- copper
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- CRB
Geometry
- Grade
- 0.11
- Grade Unit
- %
- Intercept
- 108 m
- From
- 29 m
- To
- 137 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CT25-24:29.0-137.0
- Mining Method
- open_pit
QA/QC
- Laboratory
- MSALABS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-12-01T00:00:00.000Z
Reasoning: Wide intercept but low grade.
Positive factors
- large width
Negative factors
- low grade
Evidence · table
“0.11”
Context: 108.0
CT25-24Cowtrail Project · goldGrade: 0.08Grade Unit: g/tIntercept: 108 mView all detailsHide details
Identity
- Hole ID
- CT25-24
- Project
- Cowtrail Project
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- CRB
Geometry
- Grade
- 0.08
- Grade Unit
- g/t
- Intercept
- 108 m
- From
- 29 m
- To
- 137 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CT25-24:29.0-137.0
- Mining Method
- open_pit
QA/QC
- Laboratory
- MSALABS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-12-01T00:00:00.000Z
Reasoning: Very low gold grade.
Negative factors
- low grade
Evidence · table
“0.080”
Context: 108.0
CT25-24Cowtrail Project · goldGrade: 0.134Grade Unit: g/tIntercept: 99 mView all detailsHide details
Identity
- Hole ID
- CT25-24
- Project
- Cowtrail Project
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- CRB
Geometry
- Grade
- 0.134
- Grade Unit
- g/t
- Intercept
- 99 m
- From
- 170 m
- To
- 269 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CT25-24:170.0-269.0
- Mining Method
- open_pit
QA/QC
- Laboratory
- MSALABS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-12-01T00:00:00.000Z
Reasoning: Significant width at low grade.
Positive factors
- large width
Evidence · table
“0.134”
Context: 99.0
CT25-24Cowtrail Project · goldGrade: 0.184Grade Unit: g/tIntercept: 48 mView all detailsHide details
Identity
- Hole ID
- CT25-24
- Project
- Cowtrail Project
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- CRB
Geometry
- Grade
- 0.184
- Grade Unit
- g/t
- Intercept
- 48 m
- From
- 170 m
- To
- 218 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CT25-24:170.0-218.0
- Mining Method
- open_pit
QA/QC
- Laboratory
- MSALABS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-12-01T00:00:00.000Z
Reasoning: Higher grade sub-interval.
Evidence · table
“0.184”
Context: 48.0
inclCowtrail Project · copperGrade: 0.26Grade Unit: %Intercept: 20 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Cowtrail Project
- Commodity
- copper
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- CRB
Geometry
- Grade
- 0.26
- Grade Unit
- %
- Intercept
- 20 m
- From
- 86 m
- To
- 106 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- incl:86-106
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-12-01T00:00:00.000Z
Reasoning: Expanded from assay table. 0.26 % copper is moderate against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 5.2 %·m is below (grade alone is moderate; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.26”
Context: incl
inclCowtrail Project · goldGrade: 0.14Grade Unit: g/tIntercept: 20 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Cowtrail Project
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- CRB
Geometry
- Grade
- 0.14
- Grade Unit
- g/t
- Intercept
- 20 m
- From
- 86 m
- To
- 106 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- incl:86-106
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-12-01T00:00:00.000Z
Reasoning: Expanded from assay table. 0.14 g/t gold is below against the porphyry deposit band [1, 0.5, 0.3, 0.15] g/t. Grade×width 2.8 g/t·m is below.
Negative factors
- 0.14 g/t gold is below the weak threshold (0.15 g/t) on the porphyry deposit band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.140”
Context: incl
andCowtrail Project · goldGrade: 0.134Grade Unit: g/tIntercept: 99 mView all detailsHide details
Identity
- Hole ID
- and
- Project
- Cowtrail Project
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- CRB
Geometry
- Grade
- 0.134
- Grade Unit
- g/t
- Intercept
- 99 m
- From
- 170 m
- To
- 269 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- and:170-269
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-12-01T00:00:00.000Z
Reasoning: Expanded from assay table. 0.134 g/t gold is weak against the porphyry deposit band [1, 0.5, 0.3, 0.15] g/t. Grade×width 13.3 g/t·m is weak (grade alone is below; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.134”
Context: and
inclCowtrail Project · goldGrade: 0.184Grade Unit: g/tIntercept: 48 mView all detailsHide details
Identity
- Hole ID
- incl
- Project
- Cowtrail Project
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- CRB
Geometry
- Grade
- 0.184
- Grade Unit
- g/t
- Intercept
- 48 m
- From
- 170 m
- To
- 218 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- incl:170-218
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-12-01T00:00:00.000Z
Reasoning: Expanded from assay table. 0.184 g/t gold is weak against the porphyry deposit band [1, 0.5, 0.3, 0.15] g/t. Grade×width 8.8 g/t·m is below (grade alone is weak; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.184”
Context: incl
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.