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
- 2026-08-23 15:06:26 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Golden Arrow Resources has announced its first mineral resource estimate for the San Pietro Copper-Gold-Iron-Cobalt Project in Chile. The maiden Inferred resource totals 492 Mt at 0.41% CuEq, containing significant quantities of copper, gold, cobalt, and iron.
Reasoning: The company has filed its first mineral resource estimate (maiden) for the San Pietro project, totaling 492 Mt at 0.41% CuEq. While the scale is significant, the entire resource is currently in the Inferred category, representing high geological risk.
Positive factors
- Maiden resource estimate
- Significant contained metal scale
- IOCG deposit type
- NI 43-101 compliant
Negative factors
- 100% Inferred category
- Low geological confidence
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.
Why it applies: The announcement states this is the 'first mineral resource estimate' for the 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: The entire resource is classified as Inferred.
Evidence · text
“Table 1. Inferred Mineral Resource Estimate”
All Inferrednegative
100% of resource is Inferred category — very early stage, no engineering confidence.
Why it applies: 100% of the reported resource is in the Inferred category.
Evidence · text
“The block model was classed into Inferred Mineral Resources”
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.
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 of 0.30% CuEq is explicitly stated.
Evidence · text
“Reported within US$4.80 /lb Cu Pitshell at 0.30% CuEq Cut-off”
Extracted facts
Stored fact records: 12. Some facts used in scoring do not have a stored record.
Resource Estimates (12)
inferredcopperTonnes: 83000000Grade: 0.23Grade Unit: %Contained Metal: 415000000Contained Unit: lbView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- GRG
Resource Data
- Category
- inferred
- Tonnes
- 83000000
- Grade
- 0.23
- Grade Unit
- %
- Contained Metal
- 415000000
- Contained Unit
- lb
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Oxide copper component of the maiden resource.
Negative factors
- Inferred category
Evidence · table
“0.23”
Context: 83
inferredgoldTonnes: 83000000Grade: 0.06Grade Unit: g/tContained Metal: 150000Contained Unit: kozView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- GRG
Resource Data
- Category
- inferred
- Tonnes
- 83000000
- Grade
- 0.06
- Grade Unit
- g/t
- Contained Metal
- 150000
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Oxide gold component of the maiden resource.
Negative factors
- Inferred category
Evidence · table
“0.06”
Context: 83
inferredcobaltTonnes: 83000000Grade: 96Grade Unit: ppmContained Metal: 17000000Contained Unit: lbView all detailsHide details
Identity
- Commodity
- cobalt
- Ticker
- GRG
Resource Data
- Category
- inferred
- Tonnes
- 83000000
- Grade
- 96
- Grade Unit
- ppm
- Contained Metal
- 17000000
- Contained Unit
- lb
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Oxide cobalt component of the maiden resource.
Negative factors
- Inferred category
Evidence · table
“96”
Context: 83
inferrediron_oreTonnes: 83000000Grade: 14.8Grade Unit: %Contained Metal: 27000000000Contained Unit: lbView all detailsHide details
Identity
- Commodity
- iron_ore
- Ticker
- GRG
Resource Data
- Category
- inferred
- Tonnes
- 83000000
- Grade
- 14.8
- Grade Unit
- %
- Contained Metal
- 27000000000
- Contained Unit
- lb
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Oxide iron component of the maiden resource.
Negative factors
- Inferred category
Evidence · table
“14.80”
Context: 83
inferredcopperTonnes: 410000000Grade: 0.23Grade Unit: %Contained Metal: 2055000000Contained Unit: lbView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- GRG
Resource Data
- Category
- inferred
- Tonnes
- 410000000
- Grade
- 0.23
- Grade Unit
- %
- Contained Metal
- 2055000000
- Contained Unit
- lb
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Sulphide copper component of the maiden resource.
Negative factors
- Inferred category
Evidence · table
“0.23”
Context: 410
inferredgoldTonnes: 410000000Grade: 0.05Grade Unit: g/tContained Metal: 620000Contained Unit: kozView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- GRG
Resource Data
- Category
- inferred
- Tonnes
- 410000000
- Grade
- 0.05
- Grade Unit
- g/t
- Contained Metal
- 620000
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Sulphide gold component of the maiden resource.
Negative factors
- Inferred category
Evidence · table
“0.05”
Context: 410
inferredcobaltTonnes: 410000000Grade: 99Grade Unit: ppmContained Metal: 90000000Contained Unit: lbView all detailsHide details
Identity
- Commodity
- cobalt
- Ticker
- GRG
Resource Data
- Category
- inferred
- Tonnes
- 410000000
- Grade
- 99
- Grade Unit
- ppm
- Contained Metal
- 90000000
- Contained Unit
- lb
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Sulphide cobalt component of the maiden resource.
Negative factors
- Inferred category
Evidence · table
“99”
Context: 410
inferrediron_oreTonnes: 410000000Grade: 14.35Grade Unit: %Contained Metal: 130000000000Contained Unit: lbView all detailsHide details
Identity
- Commodity
- iron_ore
- Ticker
- GRG
Resource Data
- Category
- inferred
- Tonnes
- 410000000
- Grade
- 14.35
- Grade Unit
- %
- Contained Metal
- 130000000000
- Contained Unit
- lb
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Sulphide iron component of the maiden resource.
Negative factors
- Inferred category
Evidence · table
“14.35”
Context: 410
inferredcopperTonnes: 492000000Grade: 0.23Grade Unit: %Contained Metal: 2470000000Contained Unit: lbView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- GRG
Resource Data
- Category
- inferred
- Tonnes
- 492000000
- Grade
- 0.23
- Grade Unit
- %
- Contained Metal
- 2470000000
- Contained Unit
- lb
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Total project copper resource (All).
Negative factors
- Inferred category
Evidence · table
“0.23”
Context: 492
inferredgoldTonnes: 492000000Grade: 0.05Grade Unit: g/tContained Metal: 770000Contained Unit: kozView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- GRG
Resource Data
- Category
- inferred
- Tonnes
- 492000000
- Grade
- 0.05
- Grade Unit
- g/t
- Contained Metal
- 770000
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Total project gold resource (All).
Negative factors
- Inferred category
Evidence · table
“0.05”
Context: 492
inferredcobaltTonnes: 492000000Grade: 99Grade Unit: ppmContained Metal: 107000000Contained Unit: lbView all detailsHide details
Identity
- Commodity
- cobalt
- Ticker
- GRG
Resource Data
- Category
- inferred
- Tonnes
- 492000000
- Grade
- 99
- Grade Unit
- ppm
- Contained Metal
- 107000000
- Contained Unit
- lb
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Total project cobalt resource (All).
Negative factors
- Inferred category
Evidence · table
“99”
Context: 492
inferrediron_oreTonnes: 492000000Grade: 14.43Grade Unit: %Contained Metal: 157000000000Contained Unit: lbView all detailsHide details
Identity
- Commodity
- iron_ore
- Ticker
- GRG
Resource Data
- Category
- inferred
- Tonnes
- 492000000
- Grade
- 14.43
- Grade Unit
- %
- Contained Metal
- 157000000000
- Contained Unit
- lb
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-03T00:00:00.000Z
Reasoning: Total project iron resource (All).
Negative factors
- Inferred category
Evidence · table
“14.43”
Context: 492
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.