Andina Copper Drills New Porphyry Copper System at Piuquenes North
Original announcement by tmx on
- Company
- Andina Copper Corp.
- Ticker
- ANDC
- Exchange
- TSX
- Region
- San Juan Province, Argentina
- Primary commodity
- Copper
- Secondary commodities
- Gold
- Document categories
- Drill results, Other
- Extracted
- 2026-09-15 10:42:12 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Andina Copper has completed two diamond drill holes, PIU12 and PIU13, at the Piuquenes North target in Argentina. The holes intersected a multiphase porphyry copper system, confirming the presence of copper sulphides within a previously untested geophysical anomaly. Assay results are currently pending.
Reasoning: The release confirms the presence of a multiphase porphyry copper system at a new target (Piuquenes North) based on visual logging, but lacks assay data to confirm grade.
Positive factors
- Confirmation of porphyry system at previously untested target
- Successful testing of MT geophysical anomaly
- Presence of visible chalcopyrite and bornite
Negative factors
- Assay results are pending
- No numeric grades reported
Facts used in scoring: 4
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 QA/QC program including standards, 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”
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: While procedures are mentioned, actual assay results are pending, so the effectiveness of the QA/QC for these specific intercepts cannot be verified.
Evidence · text
“Assay results for both PIU12 and PIU13 are pending.”
Extracted facts
Stored fact records: 4. Some facts used in scoring do not have a stored record.
Drill Results (4)
PIU13Piuquenes North · copperIntercept: 380 mView all detailsHide details
Identity
- Hole ID
- PIU13
- Project
- Piuquenes North
- Commodity
- copper
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Intercept
- 380 m
- From
- 665 m
- To
- 1045 m
- Intercept Depth
- 665 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU13:665-1045
- Mining Method
- open_pit
Location
- Location
- Main Zone
- Loc. Source
- document
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-28T00:00:00.000Z
Reasoning: Visual logging confirms chalcopyrite and bornite in a porphyry phase, but no grade is reported.
Positive factors
- Strongest visible copper sulphide mineralization observed to date at target
Negative factors
- Assays pending
Evidence · text
“strongest visible copper sulphide mineralization observed to date at Piuquenes North”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is 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
PIU13Piuquenes North · copperIntercept: 46 mView all detailsHide details
Identity
- Hole ID
- PIU13
- Project
- Piuquenes North
- Commodity
- copper
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Intercept
- 46 m
- From
- 1050 m
- To
- 1096 m
- Intercept Depth
- 1050 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU13:1050-1096
- Mining Method
- open_pit
Location
- Location
- Main Zone
- Loc. Source
- document
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-28T00:00:00.000Z
Reasoning: Visual presence of sulphides in intermineral porphyry.
Positive factors
- Presence of chalcopyrite and bornite
Negative factors
- Assays pending
Evidence · text
“intermineral phase shows lower intensity potassic alteration with chalcopyrite and bornite in A and B type veins”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is 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
PIU13Piuquenes North · copperIntercept: 39 mView all detailsHide details
Identity
- Hole ID
- PIU13
- Project
- Piuquenes North
- Commodity
- copper
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Intercept
- 39 m
- From
- 1129 m
- To
- 1168 m
- Intercept Depth
- 1129 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU13:1129-1168
- Mining Method
- open_pit
Location
- Location
- Main Zone
- Loc. Source
- document
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-28T00:00:00.000Z
Reasoning: Visual presence of sulphides in early mineral porphyry.
Positive factors
- Elevated vein density and chalcopyrite-bornite mineralization
Negative factors
- Assays pending
Evidence · text
“returned to intermineral and early mineral porphyry with moderate to strong potassic alteration, elevated A and B type vein density and chalcopyrite-bornite mineralization”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is 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
PIU12Piuquenes North · copperIntercept: 160.6 mView all detailsHide details
Identity
- Hole ID
- PIU12
- Project
- Piuquenes North
- Commodity
- copper
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Intercept
- 160.6 m
- From
- 832 m
- To
- 992.6 m
- Intercept Depth
- 832 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU12:832-992.6
- Mining Method
- open_pit
Location
- Location
- Main Zone
- Loc. Source
- document
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-28T00:00:00.000Z
Reasoning: Visual presence of chalcopyrite and bornite in pre-mineral porphyry.
Positive factors
- Confirms lateral continuity of the porphyry system
Negative factors
- Assays pending
Evidence · text
“contains A and B-type quartz veinlets carrying pyrite, chalcopyrite and trace bornite mineralization”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is 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
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.