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
- Extracted
- 2026-09-15 10:48:04 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Andina Copper has reported significant discovery drilling results at the Piuquenes North target in Argentina. Drillhole PIU13 intersected a 468m wide porphyry system grading 0.50% Cu and 0.30 g/t Au, including a high-grade 164m interval at 0.70% Cu.
Reasoning: Initial discovery drilling at Piuquenes North confirmed a large, high-grade porphyry copper-gold system within a significant geophysical anomaly.
Positive factors
- discovery of new porphyry copper-gold system
- large continuous intercept (468m)
- high-grade core (164m at 0.70% Cu)
- geophysical anomaly confirmed by drilling
- proximate to known high-grade projects
Negative factors
- only a small part of the MT anomaly tested
- intervals are downhole/uncorrected
Facts used in scoring: 12
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Drilling at Piuquenes North is described as initial discovery drilling at a newly generated and previously undrilled target.
Evidence · text
“initial discovery drilling 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: The release details a comprehensive QA/QC program including certified reference materials, blanks, and duplicates.
Evidence · text
“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)
PIU13HIGHLIGHTS Assay results for drillhole PIU13 confirms the discovery of a new porphyry · copperGrade: 0.5Grade Unit: %Intercept: 468 mView all detailsHide details
Identity
- Hole ID
- PIU13
- Project
- HIGHLIGHTS Assay results for drillhole PIU13 confirms the discovery of a new porphyry
- Commodity
- copper
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.5
- Grade Unit
- %
- Intercept
- 468 m
- From
- 700 m
- To
- 1168 m
- Hole Depth
- 1235 m
- Intercept Depth
- 700 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU13:700-1168
- Mining Method
- open_pit
Location
- Azimuth
- 50 °
- Dip
- -70 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Large continuous copper intercept confirming a new porphyry system.
Positive factors
- large width
- confirms porphyry discovery
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
PIU13HIGHLIGHTS Assay results for drillhole PIU13 confirms the discovery of a new porphyry · goldGrade: 0.3Grade Unit: g/tIntercept: 468 mView all detailsHide details
Identity
- Hole ID
- PIU13
- Project
- HIGHLIGHTS Assay results for drillhole PIU13 confirms the discovery of a new porphyry
- Commodity
- gold
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.3
- Grade Unit
- g/t
- Intercept
- 468 m
- From
- 700 m
- To
- 1168 m
- Hole Depth
- 1235 m
- Intercept Depth
- 700 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU13:700-1168
- Mining Method
- open_pit
Location
- Azimuth
- 50 °
- Dip
- -70 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Consistent gold mineralization within the porphyry system.
Positive factors
- significant co-product
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
PIU13HIGHLIGHTS Assay results for drillhole PIU13 confirms the discovery of a new porphyry · silverGrade: 3.04Grade Unit: g/tIntercept: 468 mView all detailsHide details
Identity
- Hole ID
- PIU13
- Project
- HIGHLIGHTS Assay results for drillhole PIU13 confirms the discovery of a new porphyry
- Commodity
- silver
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 3.04
- Grade Unit
- g/t
- Intercept
- 468 m
- From
- 700 m
- To
- 1168 m
- Hole Depth
- 1235 m
- Intercept Depth
- 700 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU13:700-1168
- Mining Method
- open_pit
Location
- Azimuth
- 50 °
- Dip
- -70 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Silver present as a lesser byproduct.
Positive factors
- present as byproduct
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
PIU13HIGHLIGHTS Assay results for drillhole PIU13 confirms the discovery of a new porphyry · copperGrade: 0.7Grade Unit: %Intercept: 164 mView all detailsHide details
Identity
- Hole ID
- PIU13
- Project
- HIGHLIGHTS Assay results for drillhole PIU13 confirms the discovery of a new porphyry
- Commodity
- copper
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.7
- Grade Unit
- %
- Intercept
- 164 m
- From
- 924 m
- To
- 1088 m
- Hole Depth
- 1235 m
- Intercept Depth
- 924 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU13:924-1088
- Mining Method
- open_pit
Location
- Azimuth
- 50 °
- Dip
- -70 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: High-grade copper interval within the early mineral porphyry phase.
Positive factors
- high-grade core
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
PIU13HIGHLIGHTS Assay results for drillhole PIU13 confirms the discovery of a new porphyry · goldGrade: 0.44Grade Unit: g/tIntercept: 164 mView all detailsHide details
Identity
- Hole ID
- PIU13
- Project
- HIGHLIGHTS Assay results for drillhole PIU13 confirms the discovery of a new porphyry
- Commodity
- gold
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.44
- Grade Unit
- g/t
- Intercept
- 164 m
- From
- 924 m
- To
- 1088 m
- Hole Depth
- 1235 m
- Intercept Depth
- 924 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU13:924-1088
- Mining Method
- open_pit
Location
- Azimuth
- 50 °
- Dip
- -70 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Gold enrichment within the high-grade copper interval.
Positive factors
- associated with high-grade Cu
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
PIU13HIGHLIGHTS Assay results for drillhole PIU13 confirms the discovery of a new porphyry · silverGrade: 4.19Grade Unit: g/tIntercept: 164 mView all detailsHide details
Identity
- Hole ID
- PIU13
- Project
- HIGHLIGHTS Assay results for drillhole PIU13 confirms the discovery of a new porphyry
- Commodity
- silver
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 4.19
- Grade Unit
- g/t
- Intercept
- 164 m
- From
- 924 m
- To
- 1088 m
- Hole Depth
- 1235 m
- Intercept Depth
- 924 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU13:924-1088
- Mining Method
- open_pit
Location
- Azimuth
- 50 °
- Dip
- -70 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Silver byproduct enrichment in the high-grade zone.
Positive factors
- silver enrichment
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 · copperGrade: 0.38Grade Unit: %Intercept: 14 mView all detailsHide details
Identity
- Hole ID
- PIU12
- Project
- Piuquenes North
- Commodity
- copper
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.38
- Grade Unit
- %
- Intercept
- 14 m
- From
- 864 m
- To
- 878 m
- Hole Depth
- 987.35 m
- Intercept Depth
- 864 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU12:864-878
- Mining Method
- open_pit
Location
- Azimuth
- 255 °
- Dip
- -70 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Modest copper intercept on the periphery of the mineralized system.
Positive factors
- confirms lateral extension
Negative factors
- modest tenor
- periphery of system
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 · goldGrade: 0.12Grade Unit: g/tIntercept: 14 mView all detailsHide details
Identity
- Hole ID
- PIU12
- Project
- Piuquenes North
- Commodity
- gold
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.12
- Grade Unit
- g/t
- Intercept
- 14 m
- From
- 864 m
- To
- 878 m
- Hole Depth
- 987.35 m
- Intercept Depth
- 864 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU12:864-878
- Mining Method
- open_pit
Location
- Azimuth
- 255 °
- Dip
- -70 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Low grade gold intercept on the periphery.
Negative factors
- low grade
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 · silverGrade: 1.81Grade Unit: g/tIntercept: 14 mView all detailsHide details
Identity
- Hole ID
- PIU12
- Project
- Piuquenes North
- Commodity
- silver
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 1.81
- Grade Unit
- g/t
- Intercept
- 14 m
- From
- 864 m
- To
- 878 m
- Hole Depth
- 987.35 m
- Intercept Depth
- 864 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU12:864-878
- Mining Method
- open_pit
Location
- Azimuth
- 255 °
- Dip
- -70 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Silver byproduct in peripheral intercept.
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 · copperGrade: 0.46Grade Unit: %Intercept: 8 mView all detailsHide details
Identity
- Hole ID
- PIU12
- Project
- Piuquenes North
- Commodity
- copper
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.46
- Grade Unit
- %
- Intercept
- 8 m
- From
- 868 m
- To
- 876 m
- Hole Depth
- 987.35 m
- Intercept Depth
- 868 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU12:868-876
- Mining Method
- open_pit
Location
- Azimuth
- 255 °
- Dip
- -70 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Higher grade sub-interval within the peripheral intercept.
Positive factors
- higher grade sub-interval
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 · goldGrade: 0.15Grade Unit: g/tIntercept: 8 mView all detailsHide details
Identity
- Hole ID
- PIU12
- Project
- Piuquenes North
- Commodity
- gold
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.15
- Grade Unit
- g/t
- Intercept
- 8 m
- From
- 868 m
- To
- 876 m
- Hole Depth
- 987.35 m
- Intercept Depth
- 868 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU12:868-876
- Mining Method
- open_pit
Location
- Azimuth
- 255 °
- Dip
- -70 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Gold in high-grade sub-interval.
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 · silverGrade: 2.35Grade Unit: g/tIntercept: 8 mView all detailsHide details
Identity
- Hole ID
- PIU12
- Project
- Piuquenes North
- Commodity
- silver
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 2.35
- Grade Unit
- g/t
- Intercept
- 8 m
- From
- 868 m
- To
- 876 m
- Hole Depth
- 987.35 m
- Intercept Depth
- 868 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU12:868-876
- Mining Method
- open_pit
Location
- Azimuth
- 255 °
- Dip
- -70 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-08T00:00:00.000Z
Reasoning: Silver in high-grade sub-interval.
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.