Andina Copper Intersects 126 m at 0.46% Cu, 0.53 g/t Au, 2.14 g/t Ag within wide Cu-Au-Ag Interval at Piuquenes East
Original announcement by tmx on
- Company
- Andina Copper Corp.
- 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 10:53:40 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Andina Copper reported a significant 126 m wide copper-gold-silver intercept at the Piuquenes East project in Argentina. The drill hole PIU09 confirms the vertical extent of the porphyry system and shows increasing gold grades and veining intensity at depth.
Reasoning: The intercept of 126 m at 0.46% Cu and 0.53 g/t Au represents a significant expansion of the porphyry system at depth with increasing grade signatures.
Positive factors
- significant vertical expansion of mineralized envelope
- increasing gold grades and veining intensity at depth
- broad continuous interval
- QA/QC protocols disclosed
Negative factors
- true width not yet determined
Facts used in scoring: 8
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 the use of ALS Minerals, 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”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: The intercept significantly expands the vertical extent of the mineralized envelope at Piuquenes East.
Evidence · text
“significantly expands the vertical extent of the mineralized envelope”
Extracted facts
Stored fact records: 8. Some facts used in scoring do not have a stored record.
Drill Results (8)
PIU09allowing the Company to evaluate competing structural interpretations while maximizing the probability of intersecting the mineralized porphyry · copperGrade: 0.46Grade Unit: %Intercept: 126 mView all detailsHide details
Identity
- Hole ID
- PIU09
- Project
- allowing the Company to evaluate competing structural interpretations while maximizing the probability of intersecting the mineralized porphyry
- Commodity
- copper
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.46
- Grade Unit
- %
- Intercept
- 126 m
- From
- 529 m
- To
- 655 m
- Intercept Depth
- 529 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU09:529-655
- Mining Method
- open_pit
Location
- 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
- 2026-03-17T00:00:00.000Z
Reasoning: Strong copper grade over a very wide 126m interval in a porphyry setting.
Positive factors
- broad continuous interval
- significant vertical expansion
Evidence · text
“126 m at 0.46% Cu, 0.53 g/t Au, 2.14 g/t Ag from 529 m”
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "A second rig has commenced drill testing of a strong, discrete geophysical anomaly (MT) at Piuquenes North, immediately "
PIU09allowing the Company to evaluate competing structural interpretations while maximizing the probability of intersecting the mineralized porphyry · goldGrade: 0.53Grade Unit: g/tIntercept: 126 mView all detailsHide details
Identity
- Hole ID
- PIU09
- Project
- allowing the Company to evaluate competing structural interpretations while maximizing the probability of intersecting the mineralized porphyry
- Commodity
- gold
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.53
- Grade Unit
- g/t
- Intercept
- 126 m
- From
- 529 m
- To
- 655 m
- Intercept Depth
- 529 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU09:529-655
- Mining Method
- open_pit
Location
- 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
- 2026-03-17T00:00:00.000Z
Reasoning: Gold grade is moderate but increasing at depth within the porphyry system.
Positive factors
- increasing gold grades observed at depth
Evidence · text
“126 m at 0.46% Cu, 0.53 g/t Au, 2.14 g/t Ag from 529 m”
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "A second rig has commenced drill testing of a strong, discrete geophysical anomaly (MT) at Piuquenes North, immediately "
PIU09allowing the Company to evaluate competing structural interpretations while maximizing the probability of intersecting the mineralized porphyry · silverGrade: 2.14Grade Unit: g/tIntercept: 126 mView all detailsHide details
Identity
- Hole ID
- PIU09
- Project
- allowing the Company to evaluate competing structural interpretations while maximizing the probability of intersecting the mineralized porphyry
- Commodity
- silver
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 2.14
- Grade Unit
- g/t
- Intercept
- 126 m
- From
- 529 m
- To
- 655 m
- Intercept Depth
- 529 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU09:529-655
- Mining Method
- open_pit
Location
- 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
- 2026-03-17T00:00:00.000Z
Reasoning: Silver is a byproduct in this porphyry system.
Evidence · text
“126 m at 0.46% Cu, 0.53 g/t Au, 2.14 g/t Ag from 529 m”
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "A second rig has commenced drill testing of a strong, discrete geophysical anomaly (MT) at Piuquenes North, immediately "
PIU09allowing the Company to evaluate competing structural interpretations while maximizing the probability of intersecting the mineralized porphyry · copperGrade: 0.25Grade Unit: %Intercept: 402 mView all detailsHide details
Identity
- Hole ID
- PIU09
- Project
- allowing the Company to evaluate competing structural interpretations while maximizing the probability of intersecting the mineralized porphyry
- Commodity
- copper
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.25
- Grade Unit
- %
- Intercept
- 402 m
- From
- 253 m
- To
- 655 m
- Intercept Depth
- 253 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU09:253-655
- Mining Method
- open_pit
Location
- 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
- 2026-03-17T00:00:00.000Z
Reasoning: Large width interval at lower grade providing context for the high-grade zone.
Positive factors
- broad continuous interval
Evidence · text
“within 402 m at 0.25% Cu, 0.21 g/t Au, 1.19 g/t Ag from 253 m”
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "A second rig has commenced drill testing of a strong, discrete geophysical anomaly (MT) at Piuquenes North, immediately "
PIU09allowing the Company to evaluate competing structural interpretations while maximizing the probability of intersecting the mineralized porphyry · goldGrade: 0.21Grade Unit: g/tIntercept: 402 mView all detailsHide details
Identity
- Hole ID
- PIU09
- Project
- allowing the Company to evaluate competing structural interpretations while maximizing the probability of intersecting the mineralized porphyry
- Commodity
- gold
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.21
- Grade Unit
- g/t
- Intercept
- 402 m
- From
- 253 m
- To
- 655 m
- Intercept Depth
- 253 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU09:253-655
- Mining Method
- open_pit
Location
- 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
- 2026-03-17T00:00:00.000Z
Reasoning: Background gold grade for the wider mineralized envelope.
Evidence · text
“within 402 m at 0.25% Cu, 0.21 g/t Au, 1.19 g/t Ag from 253 m”
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "A second rig has commenced drill testing of a strong, discrete geophysical anomaly (MT) at Piuquenes North, immediately "
PIU09allowing the Company to evaluate competing structural interpretations while maximizing the probability of intersecting the mineralized porphyry · silverGrade: 1.19Grade Unit: g/tIntercept: 402 mView all detailsHide details
Identity
- Hole ID
- PIU09
- Project
- allowing the Company to evaluate competing structural interpretations while maximizing the probability of intersecting the mineralized porphyry
- Commodity
- silver
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 1.19
- Grade Unit
- g/t
- Intercept
- 402 m
- From
- 253 m
- To
- 655 m
- Intercept Depth
- 253 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- PIU09:253-655
- Mining Method
- open_pit
Location
- 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
- 2026-03-17T00:00:00.000Z
Reasoning: Background silver grade for the wider mineralized envelope.
Evidence · text
“within 402 m at 0.25% Cu, 0.21 g/t Au, 1.19 g/t Ag from 253 m”
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "A second rig has commenced drill testing of a strong, discrete geophysical anomaly (MT) at Piuquenes North, immediately "
PIU06allowing the Company to evaluate competing structural interpretations while maximizing the probability of intersecting the mineralized porphyry · copperGrade: 0.31Grade Unit: %Intercept: 208 mView all detailsHide details
Identity
- Hole ID
- PIU06
- Project
- allowing the Company to evaluate competing structural interpretations while maximizing the probability of intersecting the mineralized porphyry
- Commodity
- copper
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.31
- Grade Unit
- %
- Intercept
- 208 m
- From
- 292 m
- To
- 500 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-17T00:00:00.000Z
Reasoning: Strong copper grade over a very wide 126m interval in a porphyry setting.
Positive factors
- broad continuous interval
- significant vertical expansion
Evidence · text
“208 m at 0.31% Cu, 0.13 g/t Au, 1.24 g/t Ag from 292 m”
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "A second rig has commenced drill testing of a strong, discrete geophysical anomaly (MT) at Piuquenes North, immediately "
PIU06allowing the Company to evaluate competing structural interpretations while maximizing the probability of intersecting the mineralized porphyry · copperGrade: 0.49Grade Unit: %Intercept: 98 mView all detailsHide details
Identity
- Hole ID
- PIU06
- Project
- allowing the Company to evaluate competing structural interpretations while maximizing the probability of intersecting the mineralized porphyry
- Commodity
- copper
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ANDC
Geometry
- Grade
- 0.49
- Grade Unit
- %
- Intercept
- 98 m
- From
- 292 m
- To
- 390 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-17T00:00:00.000Z
Reasoning: Strong copper grade over a very wide 126m interval in a porphyry setting.
Positive factors
- broad continuous interval
- significant vertical expansion
Evidence · text
“98 m at 0.49% Cu, 0.16 g/t Au, 1.26 g/t Ag from 292 m”
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "A second rig has commenced drill testing of a strong, discrete geophysical anomaly (MT) at Piuquenes North, immediately "
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.