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
- 2026-08-22 22:32:46 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Andina Copper has completed two drill holes (PIU12 and PIU13) at the Piuquenes North target, confirming a multiphase porphyry copper system. The drilling successfully intersected the targeted Magnetotelluric (MT) geophysical anomaly, with visible chalcopyrite and bornite mineralization observed. Assay results are currently pending.
Reasoning: The announcement confirms the discovery of a new porphyry copper system at a previously untested target, successfully validating a geophysical anomaly, though actual grades are not yet available.
Positive factors
- Confirmation of porphyry system at new target
- Successful testing of MT geophysical anomaly
- Presence of chalcopyrite and bornite observed visually
Negative factors
- Assay results are pending
- No numeric grades reported
- Visual logging only
Facts used in scoring: 2
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 details a QA/QC program including 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”
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: Not applicable as QA/QC is disclosed, but the lack of assay results is a notable limitation.
Evidence · text
“Assay results for both PIU12 and PIU13 are pending.”
Extracted facts
Stored fact records: 2. Some facts used in scoring do not have a stored record.
Drill Results (2)
PIU13Piuquenes North · copperView all detailsHide details
Identity
- Hole ID
- PIU13
- Project
- Piuquenes North
- Commodity
- copper
- Region
- argentina
- Reported Region
- San Juan Province, Argentina
- Ticker
- ANDC
Geometry
- Hole Depth
- 1235 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Mining Method
- unknown
Location
- Azimuth
- 50 °
- Dip
- -70 °
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
- 2026-05-28T00:00:00.000Z
Reasoning: Hole intersected porphyry-style mineralization within a new target, but no assay grades are provided.
Positive factors
- Confirmed porphyry system at new target
Negative factors
- Assays pending
- Visual logging only
Evidence · text
“Hole PIU13 intersected four porphyry intrusive phases, confirming the presence of a well-developed porphyry system”
PIU12Piuquenes North · copperView all detailsHide details
Identity
- Hole ID
- PIU12
- Project
- Piuquenes North
- Commodity
- copper
- Region
- argentina
- Reported Region
- San Juan Province, Argentina
- Ticker
- ANDC
Geometry
- Hole Depth
- 992.6 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Mining Method
- unknown
Location
- Azimuth
- 255 °
- Dip
- -70 °
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
- 2026-05-28T00:00:00.000Z
Reasoning: Hole confirmed the lateral extent of the porphyry system, but no assay grades are provided.
Positive factors
- Confirmed lateral continuity of porphyry system
Negative factors
- Assays pending
- Visual logging only
Evidence · text
“PIU12 confirmed the lateral extent of the porphyry system”
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.