Golden Arrow Files Technical Report for San Pietro Copper-Gold-Iron-Cobalt Project, Chile
Original announcement by tmx on
- Company
- Golden Arrow Resources Corporation
- Ticker
- GRG
- Exchange
- TSX
- Region
- Atacama Region, Chile
- Primary commodity
- Copper
- Secondary commodities
- Gold, Cobalt, Iron ore
- Document categories
- Resource update
- Extracted
- 2026-09-16 03:20:16 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Golden Arrow Resources has filed a NI 43-101 Technical Report disclosing the first mineral resource estimate for the San Pietro Project in Chile. The maiden estimate comprises 492 Mt of Inferred resources at 0.41% CuEq, including significant copper, gold, cobalt, and iron components.
Reasoning: The announcement of a maiden mineral resource estimate for a large-scale IOCG project is a major milestone, though the lack of Indicated/Measured resources limits immediate project valuation.
Positive factors
- Maiden resource estimate established
- Significant scale with 492 Mt total inferred resource
- Multi-commodity potential (Cu-Au-Co-Fe)
Negative factors
- 100% Inferred category implies high geological risk
- No economic viability demonstrated (not a reserve)
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 12
Classification and evidence
Maiden Resourceneutral
First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component. No prior estimate exists, so every change band is not applicable.
Why it applies: The announcement discloses the first mineral resource estimate for the San Pietro Project.
Evidence · text
“supporting disclosure of the first mineral resource estimate ("MRE")”
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: 100% of the reported mineral resource is in the Inferred category.
Evidence · table
“Inferred”
Context: Oxide
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The resource estimate was prepared in accordance with NI 43-101 standards.
Evidence · text
“conform to NI 43-101 standards and guidelines”
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: Qualified Persons Susan Lomas and Dr. Bruce Davis are named as responsible for the report.
Evidence · text
“Qualified Persons: Susan Lomas , P.Geo. & Dr. Bruce Davis , PhD, FAusIMM”
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: The cut-off grade for reporting the mineral resources is clearly stated as 0.30% CuEq.
Evidence · text
“The cut-off grade for reporting the mineral resources within the pitshell is 0.30% CuEq”
Extracted facts
Stored fact records: 12. Some facts used in scoring do not have a stored record.
Resource Estimates (12)
inferredSan Pietro · copperTonnes: 83000000Grade: 0.23Grade Unit: %Contained Metal: 415Contained Unit: mlbView all detailsHide details
Identity
- Project
- San Pietro
- Commodity
- copper
- Region
- chile
- Reported Region
- Atacama Region, Chile
- Ticker
- GRG
Resource scope
- Estimate type
- resource
- Effective date
- 2024-01-24T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Susan Lomas, Dr. Bruce Davis, Brian McEwen
- Resource group id
- resource:54c1f4b94f10692ca31b
- Deposit or zone
- Rincones & Colla Deposits
- Material type
- oxide
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 83000000
- Grade
- 0.23
- Grade Unit
- %
- Contained Metal
- 415
- Contained Unit
- mlb
- Cutoff Grade
- 0.3
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2025-01-24
Metal Equivalent
- Metal Eq. Grade
- 0.42
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Oxide component of the maiden resource.
Evidence · table
“0.23”
Context: 83
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 Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
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: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
inferredSan Pietro · goldTonnes: 83000000Grade: 0.06Grade Unit: g/tContained Metal: 150Contained Unit: kozView all detailsHide details
Identity
- Project
- San Pietro
- Commodity
- gold
- Region
- chile
- Reported Region
- Atacama Region, Chile
- Ticker
- GRG
Resource scope
- Estimate type
- resource
- Effective date
- 2024-01-24T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Susan Lomas, Dr. Bruce Davis, Brian McEwen
- Resource group id
- resource:54c1f4b94f10692ca31b
- Deposit or zone
- Rincones & Colla Deposits
- Material type
- oxide
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 83000000
- Grade
- 0.06
- Grade Unit
- g/t
- Contained Metal
- 150
- Contained Unit
- koz
- Cutoff Grade
- 0.3
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2025-01-24
Metal Equivalent
- Metal Eq. Grade
- 0.42
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Gold component of the oxide resource.
Evidence · table
“0.06”
Context: 83
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 Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
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: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
inferredSan Pietro · cobaltTonnes: 83000000Grade: 96Grade Unit: ppmContained Metal: 17Contained Unit: mlbView all detailsHide details
Identity
- Project
- San Pietro
- Commodity
- cobalt
- Region
- chile
- Reported Region
- Atacama Region, Chile
- Ticker
- GRG
Resource scope
- Estimate type
- resource
- Effective date
- 2024-01-24T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Susan Lomas, Dr. Bruce Davis, Brian McEwen
- Resource group id
- resource:54c1f4b94f10692ca31b
- Deposit or zone
- Rincones & Colla Deposits
- Material type
- oxide
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 83000000
- Grade
- 96
- Grade Unit
- ppm
- Contained Metal
- 17
- Contained Unit
- mlb
- Cutoff Grade
- 0.3
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2025-01-24
Metal Equivalent
- Metal Eq. Grade
- 0.42
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Cobalt component of the oxide resource.
Evidence · table
“96”
Context: 83
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 Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
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: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
inferredSan Pietro · iron_oreTonnes: 83000000Grade: 14.8Grade Unit: %Contained Metal: 27Contained Unit: blbView all detailsHide details
Identity
- Project
- San Pietro
- Commodity
- iron_ore
- Region
- chile
- Reported Region
- Atacama Region, Chile
- Ticker
- GRG
Resource scope
- Estimate type
- resource
- Effective date
- 2024-01-24T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Susan Lomas, Dr. Bruce Davis, Brian McEwen
- Resource group id
- resource:54c1f4b94f10692ca31b
- Deposit or zone
- Rincones & Colla Deposits
- Material type
- oxide
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 83000000
- Grade
- 14.8
- Grade Unit
- %
- Contained Metal
- 27
- Contained Unit
- blb
- Cutoff Grade
- 0.3
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2025-01-24
Metal Equivalent
- Metal Eq. Grade
- 0.42
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Iron component of the oxide resource.
Evidence · table
“14.80”
Context: 83
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 Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
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: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
inferredSan Pietro · copperTonnes: 410000000Grade: 0.23Grade Unit: %Contained Metal: 2055Contained Unit: mlbView all detailsHide details
Identity
- Project
- San Pietro
- Commodity
- copper
- Region
- chile
- Reported Region
- Atacama Region, Chile
- Ticker
- GRG
Resource scope
- Estimate type
- resource
- Effective date
- 2024-01-24T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Susan Lomas, Dr. Bruce Davis, Brian McEwen
- Resource group id
- resource:745dbb3ab84703f864f8
- Deposit or zone
- Rincones & Colla Deposits
- Material type
- sulphide
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 410000000
- Grade
- 0.23
- Grade Unit
- %
- Contained Metal
- 2055
- Contained Unit
- mlb
- Cutoff Grade
- 0.3
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2025-01-24
Metal Equivalent
- Metal Eq. Grade
- 0.41
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Sulphide component of the maiden resource.
Evidence · table
“0.23”
Context: 410
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 Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
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: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
inferredSan Pietro · goldTonnes: 410000000Grade: 0.05Grade Unit: g/tContained Metal: 620Contained Unit: kozView all detailsHide details
Identity
- Project
- San Pietro
- Commodity
- gold
- Region
- chile
- Reported Region
- Atacama Region, Chile
- Ticker
- GRG
Resource scope
- Estimate type
- resource
- Effective date
- 2024-01-24T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Susan Lomas, Dr. Bruce Davis, Brian McEwen
- Resource group id
- resource:745dbb3ab84703f864f8
- Deposit or zone
- Rincones & Colla Deposits
- Material type
- sulphide
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 410000000
- Grade
- 0.05
- Grade Unit
- g/t
- Contained Metal
- 620
- Contained Unit
- koz
- Cutoff Grade
- 0.3
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2025-01-24
Metal Equivalent
- Metal Eq. Grade
- 0.41
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Gold component of the sulphide resource.
Evidence · table
“0.05”
Context: 410
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 Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
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: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
inferredSan Pietro · cobaltTonnes: 410000000Grade: 99Grade Unit: ppmContained Metal: 90Contained Unit: mlbView all detailsHide details
Identity
- Project
- San Pietro
- Commodity
- cobalt
- Region
- chile
- Reported Region
- Atacama Region, Chile
- Ticker
- GRG
Resource scope
- Estimate type
- resource
- Effective date
- 2024-01-24T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Susan Lomas, Dr. Bruce Davis, Brian McEwen
- Resource group id
- resource:745dbb3ab84703f864f8
- Deposit or zone
- Rincones & Colla Deposits
- Material type
- sulphide
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 410000000
- Grade
- 99
- Grade Unit
- ppm
- Contained Metal
- 90
- Contained Unit
- mlb
- Cutoff Grade
- 0.3
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2025-01-24
Metal Equivalent
- Metal Eq. Grade
- 0.41
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Cobalt component of the sulphide resource.
Evidence · table
“99”
Context: 410
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 Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
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: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
inferredSan Pietro · iron_oreTonnes: 410000000Grade: 14.35Grade Unit: %Contained Metal: 130Contained Unit: blbView all detailsHide details
Identity
- Project
- San Pietro
- Commodity
- iron_ore
- Region
- chile
- Reported Region
- Atacama Region, Chile
- Ticker
- GRG
Resource scope
- Estimate type
- resource
- Effective date
- 2024-01-24T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Susan Lomas, Dr. Bruce Davis, Brian McEwen
- Resource group id
- resource:745dbb3ab84703f864f8
- Deposit or zone
- Rincones & Colla Deposits
- Material type
- sulphide
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 410000000
- Grade
- 14.35
- Grade Unit
- %
- Contained Metal
- 130
- Contained Unit
- blb
- Cutoff Grade
- 0.3
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2025-01-24
Metal Equivalent
- Metal Eq. Grade
- 0.41
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Iron component of the sulphide resource.
Evidence · table
“14.35”
Context: 410
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 Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
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: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
inferredSan Pietro · copperTonnes: 492000000Grade: 0.23Grade Unit: %Contained Metal: 2470Contained Unit: mlbView all detailsHide details
Identity
- Project
- San Pietro
- Commodity
- copper
- Region
- chile
- Reported Region
- Atacama Region, Chile
- Ticker
- GRG
Resource scope
- Estimate type
- resource
- Effective date
- 2024-01-24T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Susan Lomas, Dr. Bruce Davis, Brian McEwen
- Resource group id
- resource:a8d5197dd43e3d59e5c7
- Deposit or zone
- Rincones & Colla Deposits
- Material type
- all
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 492000000
- Grade
- 0.23
- Grade Unit
- %
- Contained Metal
- 2470
- Contained Unit
- mlb
- Cutoff Grade
- 0.3
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2025-01-24
Metal Equivalent
- Metal Eq. Grade
- 0.41
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Total project inferred resource (all domains).
Evidence · table
“0.23”
Context: 492
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 Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
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: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
inferredSan Pietro · goldTonnes: 492000000Grade: 0.05Grade Unit: g/tContained Metal: 770Contained Unit: kozView all detailsHide details
Identity
- Project
- San Pietro
- Commodity
- gold
- Region
- chile
- Reported Region
- Atacama Region, Chile
- Ticker
- GRG
Resource scope
- Estimate type
- resource
- Effective date
- 2024-01-24T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Susan Lomas, Dr. Bruce Davis, Brian McEwen
- Resource group id
- resource:a8d5197dd43e3d59e5c7
- Deposit or zone
- Rincones & Colla Deposits
- Material type
- all
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 492000000
- Grade
- 0.05
- Grade Unit
- g/t
- Contained Metal
- 770
- Contained Unit
- koz
- Cutoff Grade
- 0.3
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2025-01-24
Metal Equivalent
- Metal Eq. Grade
- 0.41
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Total project inferred resource (all domains).
Evidence · table
“0.05”
Context: 492
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 Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
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: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
inferredSan Pietro · cobaltTonnes: 492000000Grade: 99Grade Unit: ppmContained Metal: 107Contained Unit: mlbView all detailsHide details
Identity
- Project
- San Pietro
- Commodity
- cobalt
- Region
- chile
- Reported Region
- Atacama Region, Chile
- Ticker
- GRG
Resource scope
- Estimate type
- resource
- Effective date
- 2024-01-24T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Susan Lomas, Dr. Bruce Davis, Brian McEwen
- Resource group id
- resource:a8d5197dd43e3d59e5c7
- Deposit or zone
- Rincones & Colla Deposits
- Material type
- all
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 492000000
- Grade
- 99
- Grade Unit
- ppm
- Contained Metal
- 107
- Contained Unit
- mlb
- Cutoff Grade
- 0.3
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2025-01-24
Metal Equivalent
- Metal Eq. Grade
- 0.41
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Total project inferred resource (all domains).
Evidence · table
“99”
Context: 492
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 Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
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: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
inferredSan Pietro · iron_oreTonnes: 492000000Grade: 14.43Grade Unit: %Contained Metal: 157Contained Unit: blbView all detailsHide details
Identity
- Project
- San Pietro
- Commodity
- iron_ore
- Region
- chile
- Reported Region
- Atacama Region, Chile
- Ticker
- GRG
Resource scope
- Estimate type
- resource
- Effective date
- 2024-01-24T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Susan Lomas, Dr. Bruce Davis, Brian McEwen
- Resource group id
- resource:a8d5197dd43e3d59e5c7
- Deposit or zone
- Rincones & Colla Deposits
- Material type
- all
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 492000000
- Grade
- 14.43
- Grade Unit
- %
- Contained Metal
- 157
- Contained Unit
- blb
- Cutoff Grade
- 0.3
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2025-01-24
Metal Equivalent
- Metal Eq. Grade
- 0.41
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Total project inferred resource (all domains).
Evidence · table
“14.43”
Context: 492
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 Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
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: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
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.