Andina Copper Provides Exploration Update at Piuquenes
Original announcement by tmx on
- Company
- Andina Copper Corporation
- Ticker
- ANDC
- Exchange
- TSX
- Region
- San Juan Province, Argentina
- Primary commodity
- Copper
- Secondary commodities
- Gold, Silver
- Document categories
- Drill results, Other
- Extracted
- 2026-09-15 10:57:17 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Andina Copper has provided an exploration update at the Piuquenes Project in Argentina, reporting continued expansion of porphyry copper-gold mineralization at Piuquenes East. A new Magnetotelluric (MT) survey has identified a high-priority, deep-seated anomaly at Piuquenes North, which the company plans to test with upcoming drilling.
Reasoning: The release reports successful expansion of known mineralization and the identification of a significant new geophysical target, though the most recent drill assays are not yet available.
Positive factors
- Expansion of known porphyry mineralization
- New high-priority geophysical target (MT anomaly) defined
- Mobilization of second drill rig
- Visual confirmation of increasing mineralization intensity with depth
Negative factors
- Assays for PIU09 and PIU10A are still pending
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: The release mentions a Qualified Person (QP) review and approval of technical information.
Evidence · text
“Francisco Montes... has reviewed and approved the technical information”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Drilling at Piuquenes East is described as continuing to expand known porphyry mineralization.
Evidence · text
“Ongoing drilling at Piuquenes East continues to expand known porphyry copper-gold mineralization”
Extracted facts
Stored fact records: 6. Some facts used in scoring do not have a stored record.
Drill Results (6)
PIU06Piuquenes East · copperGrade: 0.31Grade Unit: %Intercept: 208 mView all detailsHide details
Identity
- Hole ID
- PIU06
- Project
- Piuquenes East
- Commodity
- copper
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.31
- Grade Unit
- %
- Intercept
- 208 m
- From
- 292 m
- To
- 500 m
- Intercept Depth
- 292 m
Classification
- Deposit Type
- porphyry
- Program
- resource
- Sample Type
- drill
- Group ID
- PIU06:292-500
- Mining Method
- open_pit
Location
- Loc. Confidence
- medium
QA/QC
- QP Signed
- Yes
- QA/QC Methods
- standards
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-10T00:00:00.000Z
Reasoning: Standard porphyry copper intercept reported as part of ongoing expansion.
Positive factors
- Significant intercept width
Evidence · text
“208 m @ 0.31% Cu, 0.13 g/t Au, 1.24 g/t Ag (from 292 m)”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
PIU06Piuquenes East · goldGrade: 0.13Grade Unit: g/tIntercept: 208 mView all detailsHide details
Identity
- Hole ID
- PIU06
- Project
- Piuquenes East
- Commodity
- gold
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.13
- Grade Unit
- g/t
- Intercept
- 208 m
- From
- 292 m
- To
- 500 m
- Intercept Depth
- 292 m
Classification
- Deposit Type
- porphyry
- Program
- resource
- Sample Type
- drill
- Group ID
- PIU06:292-500
- Mining Method
- open_pit
Location
- Loc. Confidence
- medium
QA/QC
- QP Signed
- Yes
- QA/QC Methods
- standards
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-10T00:00:00.000Z
Reasoning: Byproduct gold grade in a copper-focused porphyry intercept.
Evidence · text
“208 m @ 0.31% Cu, 0.13 g/t Au, 1.24 g/t Ag (from 292 m)”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
PIU06Piuquenes East · silverGrade: 1.24Grade Unit: g/tIntercept: 208 mView all detailsHide details
Identity
- Hole ID
- PIU06
- Project
- Piuquenes East
- Commodity
- silver
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 1.24
- Grade Unit
- g/t
- Intercept
- 208 m
- From
- 292 m
- To
- 500 m
- Intercept Depth
- 292 m
Classification
- Deposit Type
- porphyry
- Program
- resource
- Sample Type
- drill
- Group ID
- PIU06:292-500
- Mining Method
- open_pit
Location
- Loc. Confidence
- medium
QA/QC
- QP Signed
- Yes
- QA/QC Methods
- standards
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-10T00:00:00.000Z
Reasoning: Byproduct silver grade in a copper-focused porphyry intercept.
Evidence · text
“208 m @ 0.31% Cu, 0.13 g/t Au, 1.24 g/t Ag (from 292 m)”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
PIU06Piuquenes East · copperGrade: 0.49Grade Unit: %Intercept: 98 mView all detailsHide details
Identity
- Hole ID
- PIU06
- Project
- Piuquenes East
- Commodity
- copper
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.49
- Grade Unit
- %
- Intercept
- 98 m
- From
- 292 m
- To
- 390 m
- Intercept Depth
- 292 m
Classification
- Deposit Type
- porphyry
- Program
- resource
- Sample Type
- drill
- Group ID
- PIU06:292-390
- Mining Method
- open_pit
Location
- Loc. Confidence
- medium
QA/QC
- QP Signed
- Yes
- QA/QC Methods
- standards
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-10T00:00:00.000Z
Reasoning: Higher grade sub-interval within the PIU06 intercept.
Positive factors
- Higher grade sub-interval
Evidence · text
“Including 98 m @ 0.49 % Cu, 0.16 g/t Au, 1.26 g/t Ag (from 292 m)”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
PIU06Piuquenes East · goldGrade: 0.16Grade Unit: g/tIntercept: 98 mView all detailsHide details
Identity
- Hole ID
- PIU06
- Project
- Piuquenes East
- Commodity
- gold
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.16
- Grade Unit
- g/t
- Intercept
- 98 m
- From
- 292 m
- To
- 390 m
- Intercept Depth
- 292 m
Classification
- Deposit Type
- porphyry
- Program
- resource
- Sample Type
- drill
- Group ID
- PIU06:292-390
- Mining Method
- open_pit
Location
- Loc. Confidence
- medium
QA/QC
- QP Signed
- Yes
- QA/QC Methods
- standards
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-10T00:00:00.000Z
Reasoning: Higher grade sub-interval for gold within PIU06.
Evidence · text
“Including 98 m @ 0.49 % Cu, 0.16 g/t Au, 1.26 g/t Ag (from 292 m)”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
PIU06Piuquenes East · silverGrade: 1.26Grade Unit: g/tIntercept: 98 mView all detailsHide details
Identity
- Hole ID
- PIU06
- Project
- Piuquenes East
- Commodity
- silver
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 1.26
- Grade Unit
- g/t
- Intercept
- 98 m
- From
- 292 m
- To
- 390 m
- Intercept Depth
- 292 m
Classification
- Deposit Type
- porphyry
- Program
- resource
- Sample Type
- drill
- Group ID
- PIU06:292-390
- Mining Method
- open_pit
Location
- Loc. Confidence
- medium
QA/QC
- QP Signed
- Yes
- QA/QC Methods
- standards
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-10T00:00:00.000Z
Reasoning: Higher grade sub-interval for silver within PIU06.
Evidence · text
“Including 98 m @ 0.49 % Cu, 0.16 g/t Au, 1.26 g/t Ag (from 292 m)”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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.