Andina Copper Intersects 164m at 0.70% Cu, 0.44g/t Au within 468m at 0.50% Cu, 0.30g/t Au in initial discovery drilling at Piuquenes North
Original announcement by tmx on
- Company
- Andina Copper Corporation
- Ticker
- ANDC
- Exchange
- TSX
- Region
- San Juan, Argentina
- Primary commodity
- Copper
- Secondary commodities
- Gold, Silver
- Document categories
- Drill results, Other
- Extracted
- 2026-08-22 22:30:21 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Andina Copper has confirmed a new porphyry copper-gold discovery at Piuquenes North, Argentina, with drillhole PIU13 returning 468m at 0.50% Cu and 0.30 g/t Au. The mineralization is hosted within a large, largely untested geophysical anomaly, suggesting significant expansion potential.
Reasoning: The drill results confirm a new porphyry discovery with substantial width and strong copper grades, testing a large geophysical target.
Positive factors
- discovery of new porphyry copper-gold system
- significant width and grade (468m @ 0.50% Cu)
- large untested geophysical anomaly
- proximity to known high-grade projects
Negative factors
- only a small portion of the MT anomaly tested
Facts used in scoring: 12
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Discovery of a new porphyry system at the previously undrilled Piuquenes North target.
Evidence · text
“confirms the discovery of a new porphyry copper-gold system at Piuquenes North”
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 protocols including certified labs (ALS), blanks, standards, 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”
Extracted facts
Stored fact records: 12. Some facts used in scoring do not have a stored record.
Drill Results (12)
PIU13Piuquenes North · copperGrade: 0.5Grade Unit: %Intercept: 468 mView all detailsHide details
Identity
- Hole ID
- PIU13
- Project
- Piuquenes North
- Commodity
- copper
- Region
- argentina
- Reported Region
- San Juan, Argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.5
- Grade Unit
- %
- Intercept
- 468 m
- From
- 700 m
- To
- 1168 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU13:700-1168
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: 468m at 0.50% Cu is a strong porphyry intercept.
Positive factors
- strong width and grade for porphyry
Evidence · text
“468m @ 0.50% Cu, 0.30 g/t Au, 3.04 g/t Ag from 700m”
PIU13Piuquenes North · goldGrade: 0.3Grade Unit: g/tIntercept: 468 mView all detailsHide details
Identity
- Hole ID
- PIU13
- Project
- Piuquenes North
- Commodity
- gold
- Region
- argentina
- Reported Region
- San Juan, Argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.3
- Grade Unit
- g/t
- Intercept
- 468 m
- From
- 700 m
- To
- 1168 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU13:700-1168
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Gold is a significant co-product in this porphyry system.
Evidence · text
“468m @ 0.50% Cu, 0.30 g/t Au, 3.04 g/t Ag from 700m”
PIU13Piuquenes North · silverGrade: 3.04Grade Unit: g/tIntercept: 468 mView all detailsHide details
Identity
- Hole ID
- PIU13
- Project
- Piuquenes North
- Commodity
- silver
- Region
- argentina
- Reported Region
- San Juan, Argentina
- Ticker
- ANDC
Geometry
- Grade
- 3.04
- Grade Unit
- g/t
- Intercept
- 468 m
- From
- 700 m
- To
- 1168 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU13:700-1168
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Silver reported as a minor byproduct.
Evidence · text
“468m @ 0.50% Cu, 0.30 g/t Au, 3.04 g/t Ag from 700m”
PIU13Piuquenes North · copperGrade: 0.7Grade Unit: %Intercept: 164 mView all detailsHide details
Identity
- Hole ID
- PIU13
- Project
- Piuquenes North
- Commodity
- copper
- Region
- argentina
- Reported Region
- San Juan, Argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.7
- Grade Unit
- %
- Intercept
- 164 m
- From
- 924 m
- To
- 1088 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU13:924-1088
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: 164m at 0.70% Cu is a strong intercept.
Positive factors
- high grade for porphyry
Evidence · text
“164m at 0.70% Cu, 0.44 g/t Au, 4.19 g/t Ag from 924m”
PIU13Piuquenes North · goldGrade: 0.44Grade Unit: g/tIntercept: 164 mView all detailsHide details
Identity
- Hole ID
- PIU13
- Project
- Piuquenes North
- Commodity
- gold
- Region
- argentina
- Reported Region
- San Juan, Argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.44
- Grade Unit
- g/t
- Intercept
- 164 m
- From
- 924 m
- To
- 1088 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU13:924-1088
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: High grade gold within the copper interval.
Evidence · text
“164m at 0.70% Cu, 0.44 g/t Au, 4.19 g/t Ag from 924m”
PIU13Piuquenes North · silverGrade: 4.19Grade Unit: g/tIntercept: 164 mView all detailsHide details
Identity
- Hole ID
- PIU13
- Project
- Piuquenes North
- Commodity
- silver
- Region
- argentina
- Reported Region
- San Juan, Argentina
- Ticker
- ANDC
Geometry
- Grade
- 4.19
- Grade Unit
- g/t
- Intercept
- 164 m
- From
- 924 m
- To
- 1088 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU13:924-1088
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Silver byproduct.
Evidence · text
“164m at 0.70% Cu, 0.44 g/t Au, 4.19 g/t Ag from 924m”
PIU12Piuquenes North · copperGrade: 0.38Grade Unit: %Intercept: 14 mView all detailsHide details
Identity
- Hole ID
- PIU12
- Project
- Piuquenes North
- Commodity
- copper
- Region
- argentina
- Reported Region
- San Juan, Argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.38
- Grade Unit
- %
- Intercept
- 14 m
- From
- 864 m
- To
- 878 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU12:864-878
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Modest grade and short interval on the periphery.
Negative factors
- interpreted as periphery of mineralized system
Evidence · text
“14m @ 0.38% Cu, 0.12 g/t Au and 1.81 g/t Ag from 864m”
PIU12Piuquenes North · goldGrade: 0.12Grade Unit: g/tIntercept: 14 mView all detailsHide details
Identity
- Hole ID
- PIU12
- Project
- Piuquenes North
- Commodity
- gold
- Region
- argentina
- Reported Region
- San Juan, Argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.12
- Grade Unit
- g/t
- Intercept
- 14 m
- From
- 864 m
- To
- 878 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU12:864-878
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Low grade gold.
Evidence · text
“14m @ 0.38% Cu, 0.12 g/t Au and 1.81 g/t Ag from 864m”
PIU12Piuquenes North · silverGrade: 1.81Grade Unit: g/tIntercept: 14 mView all detailsHide details
Identity
- Hole ID
- PIU12
- Project
- Piuquenes North
- Commodity
- silver
- Region
- argentina
- Reported Region
- San Juan, Argentina
- Ticker
- ANDC
Geometry
- Grade
- 1.81
- Grade Unit
- g/t
- Intercept
- 14 m
- From
- 864 m
- To
- 878 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU12:864-878
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Silver byproduct.
Evidence · text
“14m @ 0.38% Cu, 0.12 g/t Au and 1.81 g/t Ag from 864m”
PIU12Piuquenes North · copperGrade: 0.46Grade Unit: %Intercept: 8 mView all detailsHide details
Identity
- Hole ID
- PIU12
- Project
- Piuquenes North
- Commodity
- copper
- Region
- argentina
- Reported Region
- San Juan, Argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.46
- Grade Unit
- %
- Intercept
- 8 m
- From
- 864 m
- To
- 872 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU12:864-872
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Sub-interval within the periphery intercept.
Evidence · text
“including 8m @ 0.46% Cu, 0.15 g/t Au and 2.35 g/t Ag”
PIU12Piuquenes North · goldGrade: 0.15Grade Unit: g/tIntercept: 8 mView all detailsHide details
Identity
- Hole ID
- PIU12
- Project
- Piuquenes North
- Commodity
- gold
- Region
- argentina
- Reported Region
- San Juan, Argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.15
- Grade Unit
- g/t
- Intercept
- 8 m
- From
- 864 m
- To
- 872 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU12:864-872
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Sub-interval gold grade.
Evidence · text
“including 8m @ 0.46% Cu, 0.15 g/t Au and 2.35 g/t Ag”
PIU12Piuquenes North · silverGrade: 2.35Grade Unit: g/tIntercept: 8 mView all detailsHide details
Identity
- Hole ID
- PIU12
- Project
- Piuquenes North
- Commodity
- silver
- Region
- argentina
- Reported Region
- San Juan, Argentina
- Ticker
- ANDC
Geometry
- Grade
- 2.35
- Grade Unit
- g/t
- Intercept
- 8 m
- From
- 864 m
- To
- 872 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU12:864-872
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Sub-interval silver byproduct.
Evidence · text
“including 8m @ 0.46% Cu, 0.15 g/t Au and 2.35 g/t Ag”
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.