Andina Copper Intersects 126 m at 0.46% Cu, 0.53 g/t Au, 2.14 g/t Ag within wide Cu-Au-Ag Interval at Piuquenes East
Original announcement by tmx on
- Company
- Andina Copper Corp.
- Ticker
- ANDC
- Exchange
- TSX
- Region
- San Juan Province, Argentina
- Primary commodity
- Copper
- Secondary commodities
- Gold, Silver
- Document categories
- Drill results, Other
- Extracted
- 2026-08-22 22:41:37 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Andina Copper reported a significant 126 m wide intercept at the Piuquenes East project, containing 0.46% Cu, 0.53 g/t Au, and 2.14 g/t Ag. The results indicate a vertically extensive porphyry system with increasing gold grades and veining intensity at depth.
Reasoning: The intercept of 126 m at 0.46% Cu and 0.53 g/t Au represents a significant expansion of the mineralized system at Piuquenes East, with increasing grades observed at depth.
Positive factors
- significant vertical expansion of mineralized envelope
- increasing gold grades at depth
- wide continuous intercept
- presence of porphyry stockwork veining
Negative factors
- true widths not yet determined
Facts used in scoring: 6
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 details the use of ALS laboratory, certified reference materials, blanks, and duplicates.
Evidence · text
“The Company implemented a quality assurance and quality control (QA/QC) program that included the insertion of certified reference materials, blanks, and duplicates”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: The intercept significantly expands the vertical extent of the mineralized envelope.
Evidence · text
“significantly expands the vertical extent of the mineralized envelope”
Extracted facts
Stored fact records: 6. Some facts used in scoring do not have a stored record.
Drill Results (6)
PIU09Piuquenes East · copperGrade: 0.46Grade Unit: %Intercept: 126 mView all detailsHide details
Identity
- Hole ID
- PIU09
- Project
- Piuquenes East
- Commodity
- copper
- Region
- argentina
- Reported Region
- San Juan Province, Argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.46
- Grade Unit
- %
- Intercept
- 126 m
- From
- 529 m
- To
- 655 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU09:529-655
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-17T00:00:00.000Z
Reasoning: Strong copper grade over a very wide 126m interval in a porphyry system.
Positive factors
- wide intercept
- significant vertical expansion
Evidence · text
“126 m at 0.46% Cu, 0.53 g/t Au, 2.14 g/t Ag from 529 m”
PIU09Piuquenes East · goldGrade: 0.53Grade Unit: g/tIntercept: 126 mView all detailsHide details
Identity
- Hole ID
- PIU09
- Project
- Piuquenes East
- Commodity
- gold
- Region
- argentina
- Reported Region
- San Juan Province, Argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.53
- Grade Unit
- g/t
- Intercept
- 126 m
- From
- 529 m
- To
- 655 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU09:529-655
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-17T00:00:00.000Z
Reasoning: Gold grade is moderate but part of a significant wide polymetallic intercept.
Positive factors
- increasing gold grades at depth
Evidence · text
“126 m at 0.46% Cu, 0.53 g/t Au, 2.14 g/t Ag from 529 m”
PIU09Piuquenes East · silverGrade: 2.14Grade Unit: g/tIntercept: 126 mView all detailsHide details
Identity
- Hole ID
- PIU09
- Project
- Piuquenes East
- Commodity
- silver
- Region
- argentina
- Reported Region
- San Juan Province, Argentina
- Ticker
- ANDC
Geometry
- Grade
- 2.14
- Grade Unit
- g/t
- Intercept
- 126 m
- From
- 529 m
- To
- 655 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU09:529-655
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-17T00:00:00.000Z
Reasoning: Silver is a byproduct in this porphyry intercept.
Evidence · text
“126 m at 0.46% Cu, 0.53 g/t Au, 2.14 g/t Ag from 529 m”
PIU09Piuquenes East · copperGrade: 0.25Grade Unit: %Intercept: 402 mView all detailsHide details
Identity
- Hole ID
- PIU09
- Project
- Piuquenes East
- Commodity
- copper
- Region
- argentina
- Reported Region
- San Juan Province, Argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.25
- Grade Unit
- %
- Intercept
- 402 m
- From
- 253 m
- To
- 655 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU09:253-655
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-17T00:00:00.000Z
Reasoning: Broad mineralized envelope confirmed.
Positive factors
- very wide continuous interval
Evidence · text
“within 402 m at 0.25% Cu, 0.21 g/t Au, 1.19 g/t Ag from 253 m”
PIU09Piuquenes East · goldGrade: 0.21Grade Unit: g/tIntercept: 402 mView all detailsHide details
Identity
- Hole ID
- PIU09
- Project
- Piuquenes East
- Commodity
- gold
- Region
- argentina
- Reported Region
- San Juan Province, Argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.21
- Grade Unit
- g/t
- Intercept
- 402 m
- From
- 253 m
- To
- 655 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU09:253-655
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-17T00:00:00.000Z
Reasoning: Part of the larger mineralized envelope.
Evidence · text
“within 402 m at 0.25% Cu, 0.21 g/t Au, 1.19 g/t Ag from 253 m”
PIU09Piuquenes East · silverGrade: 1.19Grade Unit: g/tIntercept: 402 mView all detailsHide details
Identity
- Hole ID
- PIU09
- Project
- Piuquenes East
- Commodity
- silver
- Region
- argentina
- Reported Region
- San Juan Province, Argentina
- Ticker
- ANDC
Geometry
- Grade
- 1.19
- Grade Unit
- g/t
- Intercept
- 402 m
- From
- 253 m
- To
- 655 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU09:253-655
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-17T00:00:00.000Z
Reasoning: Part of the larger mineralized envelope.
Evidence · text
“within 402 m at 0.25% Cu, 0.21 g/t Au, 1.19 g/t Ag from 253 m”
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.