Regulus Signs Collaboration Agreement with Compania Minera Coimolache S.A. to Evaluate the Integrated Coimolache Sulphides/AntaKori Copper-Gold Project
Original announcement by tmx on
- Company
- Regulus Resources Inc.
- Ticker
- REG
- Exchange
- TSX
- Region
- Cajamarca, Peru
- Primary commodity
- Copper
- Secondary commodities
- Gold, Silver
- Document categories
- Resource update, Agreement transaction
- Extracted
- 2026-09-16 19:22:47 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Regulus Resources Inc. has entered into a 50/50 cost-sharing collaboration agreement with Compañía Minera Coimolache S.A. to evaluate the integrated Coimolache Sulphides/AntaKori copper-gold project in Peru. The program aims to complete a mineral resource estimate (MRE) with the option to proceed to a Preliminary Economic Assessment (PEA).
Reasoning: The agreement allows for the first unconstrained evaluation of the integrated Coimolache/AntaKori project, providing a clear path to a PEA and potentially unlocking significant value through resource integration.
Positive factors
- Strategic collaboration to evaluate integrated project
- Pathway to PEA established
- Access to adjacent Coimolache sulphides resource
Facts used in scoring: 14
Classification and evidence
Nearology Playneutral · Story-specific tag
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: The AntaKori project is described as immediately adjacent to and interfingered with Coimolache concessions.
Evidence · text
“The AntaKori project is immediately adjacent to and interfingered with mineral concessions owned by Coimolache”
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: AntaKori resource data is cited from a NI 43-101 technical report.
Evidence · text
“NI 43-101 Technical Report , dated February 22, 2019”
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: Dr. Kevin B. Heather is named as the Qualified Person for the AntaKori data.
Evidence · text
“reviewed and approved by Dr. Kevin B. Heather, Chief Geological Officer, FAusIMM, who serves as the qualified person (QP)”
Extracted facts
Stored fact records: 14. Some facts used in scoring do not have a stored record.
Resource Estimates (14)
indicatedAntaKori · copperTonnes: 250000000Grade: 2.6Grade Unit: b lbsHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- AntaKori
- Commodity
- copper
- Region
- peru
- Reported Region
- Cajamarca, Peru
- Ticker
- REG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:96b34687776b5000ccf5
Resource Data
- Category
- indicated
- Tonnes
- 250000000
- Grade
- 2.6
- Grade Unit
- b lbs
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2019-02-22T00:00:00.000Z
Dates
- Event date
- 2024-07-29T00:00:00.000Z
Reasoning: Historical indicated resource for AntaKori.
Evidence · table
“2.6”
Context: 250
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 5.4 years before this release
indicatedAntaKori · goldTonnes: 250000000Grade: 2.3Grade Unit: m ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- AntaKori
- Commodity
- gold
- Region
- peru
- Reported Region
- Cajamarca, Peru
- Ticker
- REG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:96b34687776b5000ccf5
Resource Data
- Category
- indicated
- Tonnes
- 250000000
- Grade
- 2.3
- Grade Unit
- m oz
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2019-02-22T00:00:00.000Z
Dates
- Event date
- 2024-07-29T00:00:00.000Z
Reasoning: Historical indicated gold grade for AntaKori.
Evidence · table
“2.3”
Context: 250
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 5.4 years before this release
indicatedAntaKori · silverTonnes: 250000000Grade: 61Grade Unit: m ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- AntaKori
- Commodity
- silver
- Region
- peru
- Reported Region
- Cajamarca, Peru
- Ticker
- REG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:96b34687776b5000ccf5
Resource Data
- Category
- indicated
- Tonnes
- 250000000
- Grade
- 61
- Grade Unit
- m oz
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2019-02-22T00:00:00.000Z
Dates
- Event date
- 2024-07-29T00:00:00.000Z
Reasoning: Historical indicated silver grade for AntaKori.
Evidence · table
“61”
Context: 250
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 5.4 years before this release
inferredAntaKori · copperTonnes: 267000000Grade: 2.4Grade Unit: b lbsHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- AntaKori
- Commodity
- copper
- Region
- peru
- Reported Region
- Cajamarca, Peru
- Ticker
- REG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:400972a4bd3bb3d08e87
Resource Data
- Category
- inferred
- Tonnes
- 267000000
- Grade
- 2.4
- Grade Unit
- b lbs
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2019-02-22T00:00:00.000Z
Dates
- Event date
- 2024-07-29T00:00:00.000Z
Reasoning: Historical inferred copper grade for AntaKori.
Evidence · table
“2.4”
Context: 267
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 5.4 years before this release
inferredAntaKori · goldTonnes: 267000000Grade: 2.2Grade Unit: m ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- AntaKori
- Commodity
- gold
- Region
- peru
- Reported Region
- Cajamarca, Peru
- Ticker
- REG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:400972a4bd3bb3d08e87
Resource Data
- Category
- inferred
- Tonnes
- 267000000
- Grade
- 2.2
- Grade Unit
- m oz
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2019-02-22T00:00:00.000Z
Dates
- Event date
- 2024-07-29T00:00:00.000Z
Reasoning: Historical inferred gold grade for AntaKori.
Evidence · table
“2.2”
Context: 267
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 5.4 years before this release
inferredAntaKori · silverTonnes: 267000000Grade: 67Grade Unit: m ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- AntaKori
- Commodity
- silver
- Region
- peru
- Reported Region
- Cajamarca, Peru
- Ticker
- REG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:400972a4bd3bb3d08e87
Resource Data
- Category
- inferred
- Tonnes
- 267000000
- Grade
- 67
- Grade Unit
- m oz
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2019-02-22T00:00:00.000Z
Dates
- Event date
- 2024-07-29T00:00:00.000Z
Reasoning: Historical inferred silver grade for AntaKori.
Evidence · table
“67”
Context: 267
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 5.4 years before this release
indicatedCoimolache Sulphides · copperTonnes: 133589000Grade: 0.6Grade Unit: %View all detailsHide details
Identity
- Project
- Coimolache Sulphides
- Commodity
- copper
- Ticker
- REG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:d4116ed71e80223409bd
Resource Data
- Category
- indicated
- Tonnes
- 133589000
- Grade
- 0.6
- Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-07-29T00:00:00.000Z
Reasoning: Indicated copper resource for Coimolache Sulphides (Open Pit).
Evidence · table
“0.6”
Context: 133,589
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
indicatedCoimolache Sulphides · goldTonnes: 133589000Grade: 0.3Grade Unit: g/tView all detailsHide details
Identity
- Project
- Coimolache Sulphides
- Commodity
- gold
- Ticker
- REG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:d4116ed71e80223409bd
Resource Data
- Category
- indicated
- Tonnes
- 133589000
- Grade
- 0.3
- Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-07-29T00:00:00.000Z
Reasoning: Indicated gold resource for Coimolache Sulphides (Open Pit).
Evidence · table
“0.3”
Context: 133,589
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
inferredCoimolache Sulphides · copperTonnes: 601207000Grade: 0.4Grade Unit: %View all detailsHide details
Identity
- Project
- Coimolache Sulphides
- Commodity
- copper
- Ticker
- REG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:21541e61041901a0016c
Resource Data
- Category
- inferred
- Tonnes
- 601207000
- Grade
- 0.4
- Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-07-29T00:00:00.000Z
Reasoning: Inferred copper resource for Coimolache Sulphides (Open Pit).
Evidence · table
“0.4”
Context: 601,207
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
inferredCoimolache Sulphides · goldTonnes: 601207000Grade: 0.2Grade Unit: g/tView all detailsHide details
Identity
- Project
- Coimolache Sulphides
- Commodity
- gold
- Ticker
- REG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:21541e61041901a0016c
Resource Data
- Category
- inferred
- Tonnes
- 601207000
- Grade
- 0.2
- Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-07-29T00:00:00.000Z
Reasoning: Inferred gold resource for Coimolache Sulphides (Open Pit).
Evidence · table
“0.2”
Context: 601,207
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
indicatedCoimolache Sulphides · copperTonnes: 7170000Grade: 1.3Grade Unit: %View all detailsHide details
Identity
- Project
- Coimolache Sulphides
- Commodity
- copper
- Ticker
- REG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:f44816f6c0a8e89fd322
Resource Data
- Category
- indicated
- Tonnes
- 7170000
- Grade
- 1.3
- Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-07-29T00:00:00.000Z
Reasoning: Indicated copper resource for Coimolache Sulphides (Underground).
Evidence · table
“1.3”
Context: 7,170
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
indicatedCoimolache Sulphides · goldTonnes: 7170000Grade: 0.5Grade Unit: g/tView all detailsHide details
Identity
- Project
- Coimolache Sulphides
- Commodity
- gold
- Ticker
- REG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:f44816f6c0a8e89fd322
Resource Data
- Category
- indicated
- Tonnes
- 7170000
- Grade
- 0.5
- Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-07-29T00:00:00.000Z
Reasoning: Indicated gold resource for Coimolache Sulphides (Underground).
Evidence · table
“0.5”
Context: 7,170
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
inferredCoimolache Sulphides · copperTonnes: 38072000Grade: 1.2Grade Unit: %View all detailsHide details
Identity
- Project
- Coimolache Sulphides
- Commodity
- copper
- Ticker
- REG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:2a95f469b495132495b5
Resource Data
- Category
- inferred
- Tonnes
- 38072000
- Grade
- 1.2
- Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-07-29T00:00:00.000Z
Reasoning: Inferred copper resource for Coimolache Sulphides (Underground).
Evidence · table
“1.2”
Context: 38,072
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
inferredCoimolache Sulphides · goldTonnes: 38072000Grade: 0.6Grade Unit: g/tView all detailsHide details
Identity
- Project
- Coimolache Sulphides
- Commodity
- gold
- Ticker
- REG
Resource scope
- Estimate type
- resource
- Resource group id
- resource:2a95f469b495132495b5
Resource Data
- Category
- inferred
- Tonnes
- 38072000
- Grade
- 0.6
- Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-07-29T00:00:00.000Z
Reasoning: Inferred gold resource for Coimolache Sulphides (Underground).
Evidence · table
“0.6”
Context: 38,072
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
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.