Coast Copper Highlights its Northern Vancouver Island Projects and Congratulates Northisle
Original announcement by tmx on
- Company
- Coast Copper Corp.
- Ticker
- COCO
- Exchange
- TSX
- Region
- British Columbia
- Primary commodity
- Copper
- Secondary commodities
- Molybdenum, Gold, Silver, Magnetite
- Document categories
- Resource update, Other
- Extracted
- 2026-09-13 19:03:46 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Coast Copper highlights its northern Vancouver Island projects, including Copper Kettle, Empire Mine, and Knob Hill NW. The company also notes upcoming 2026 exploration programs and references historical resource data for the Empire Mine project.
Reasoning: The document is primarily a corporate highlight/overview of project portfolios and upcoming work, containing restatements of historical resource data rather than new assay results.
Positive factors
- Highlighting of multiple advanced projects
- Strategic positioning between Northisle and BHP assets
- Upcoming geophysical and drilling programs
Negative factors
- Historical resource data is not NI 43-101 compliant
- Historical data has not been verified by Company QP
Facts used in scoring: 5
Classification and evidence
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The Merry Widow resource is explicitly stated as an inferred resource.
Evidence · text
“The Merry Widow inferred resource hosts 594,019 tonnes”
Historical Estimate Onlynegative
Estimate pre-dates or does not comply with current JORC/NI 43-101 standards — requires verification drilling.
Why it applies: The Benson Lake resource is based on 1972 records and is not NI 43-101 compliant.
Evidence · text
“Cominco's historical results are not NI 43-101 compliant and have not been verified by the Company's QP”
Extracted facts
Stored fact records: 5. Some facts used in scoring do not have a stored record.
Resource Estimates (5)
inferredEmpire Mine · copperTonnes: 594019Grade: 0.51Grade Unit: %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Empire Mine
- Commodity
- copper
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- COCO
Resource scope
- Estimate type
- resource
- Resource group id
- resource:d877b36667d45b24f48c
- Deposit or zone
- Merry Widow pit
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 594019
- Grade
- 0.51
- Grade Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-23T00:00:00.000Z
Dates
- Event date
- 2026-02-26T00:00:00.000Z
Reasoning: Restatement of a May 2023 resource estimate.
Positive factors
- Established inferred resource
Evidence · text
“The Merry Widow inferred resource hosts 594,019 tonnes grading 0.51% Cu, and 3.52 grams per tonne (" g/t") Au (see press release dated May 23, 2023).”
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 2.8 years before this release
inferredEmpire Mine · goldTonnes: 594019Grade: 3.52Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Empire Mine
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- COCO
Resource scope
- Estimate type
- resource
- Resource group id
- resource:d877b36667d45b24f48c
- Deposit or zone
- Merry Widow pit
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 594019
- Grade
- 3.52
- Grade Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-23T00:00:00.000Z
Dates
- Event date
- 2026-02-26T00:00:00.000Z
Reasoning: Restatement of a May 2023 resource estimate.
Positive factors
- Established inferred resource
Evidence · text
“The Merry Widow inferred resource hosts 594,019 tonnes grading 0.51% Cu, and 3.52 grams per tonne (" g/t") Au (see press release dated May 23, 2023).”
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 2.8 years before this release
indicatedEmpire Mine · goldTonnes: 454500Grade: 0.59Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Empire Mine
- Commodity
- gold
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- COCO
Resource scope
- Estimate type
- resource
- Resource group id
- resource:75a90c11a2c041914296
- Deposit or zone
- Benson Lake mine
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 454500
- Grade
- 0.59
- Grade Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 1972-12-31T00:00:00.000Z
Dates
- Event date
- 2026-02-26T00:00:00.000Z
Reasoning: Historical data from 1972, explicitly noted as non-compliant and unverified.
Negative factors
- Not NI 43-101 compliant
- Not verified by Company QP
Evidence · text
“Benson Lake mine (1 km east of the Merry Widow pit) hosts 454,500 tonnes at 0.59 g/t Au and 1.3% Cu classified as "measured and indicated"”
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 53.2 years before this release
indicatedEmpire Mine · copperTonnes: 454500Grade: 1.3Grade Unit: %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Empire Mine
- Commodity
- copper
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- COCO
Resource scope
- Estimate type
- resource
- Resource group id
- resource:75a90c11a2c041914296
- Deposit or zone
- Benson Lake mine
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 454500
- Grade
- 1.3
- Grade Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 1972-12-31T00:00:00.000Z
Dates
- Event date
- 2026-02-26T00:00:00.000Z
Reasoning: Historical data from 1972, explicitly noted as non-compliant and unverified.
Negative factors
- Not NI 43-101 compliant
- Not verified by Company QP
Evidence · text
“Benson Lake mine (1 km east of the Merry Widow pit) hosts 454,500 tonnes at 0.59 g/t Au and 1.3% Cu classified as "measured and indicated"”
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 53.2 years before this release
inferredEmpire Mine · copperTonnes: 2700000Grade: 1.7Grade Unit: %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Empire Mine
- Commodity
- copper
- Region
- canada_bc
- Reported Region
- British Columbia
- Ticker
- COCO
Resource scope
- Estimate type
- resource
- Resource group id
- resource:afe073b0f54a7d90a6e7
- Deposit or zone
- Benson Lake mine
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 2700000
- Grade
- 1.7
- Grade Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 1972-12-31T00:00:00.000Z
Dates
- Event date
- 2026-02-26T00:00:00.000Z
Reasoning: Historical data from 1972, explicitly noted as non-compliant and unverified.
Negative factors
- Not NI 43-101 compliant
- Not verified by Company QP
- No gold grade estimated
Evidence · text
“a further 2,700,000 tonnes at 1.7% Cu 5 (no gold grade estimated) to the 2100 level as of December 31, 1972 classified as "inferred"”
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 53.2 years before this release
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.