Andina Copper Intersects 186m at 0.50% Cu from 38m, within 502m at 0.40% Cu. Extends Shallow Mineralization to the NW
Original announcement by tmx on
- Company
- Andina Copper Corporation
- Ticker
- ANDC
- Exchange
- TSX
- Region
- Chocó, Colombia
- Primary commodity
- Copper
- Secondary commodities
- Molybdenum, Silver
- Document categories
- Drill results, Other
- Extracted
- 2026-09-15 10:39:48 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Andina Copper reported significant drill results from the Cobrasco Project in Colombia, highlighted by hole CDH009 which intersected 502m at 0.40% Cu. The results confirm a major northwesterly extension of the porphyry Cu-Mo system, expanding the drill-defined footprint to approximately 1,200m x 550m.
Reasoning: The drillhole CDH009 provides a massive 502m intercept and significantly extends the known mineralized footprint to the northwest, validating the scout drilling program.
Positive factors
- significant northwesterly extension of mineralization
- wide intervals of high-grade near-surface Cu-Mo
- mineralization remains open in all directions
- step-out drilling successful
Negative factors
- copper grade decreases at depth
Facts used in scoring: 9
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Results confirm a significant northwesterly extension of near-surface mineralization.
Evidence · text
“Results confirm a significant northwesterly extension of near-surface mineralization”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release details sampling protocols, laboratory (ALS), and QA/QC methods (standards, duplicates).
Evidence · text
“All sampling was conducted in nominal 2m intervals... Samples were placed in plastic bags with non-repeatable sample tags”
Extracted facts
Stored fact records: 9. Some facts used in scoring do not have a stored record.
Drill Results (9)
CDH009Cobrasco · copperGrade: 0.4Grade Unit: %Intercept: 502 mView all detailsHide details
Identity
- Hole ID
- CDH009
- Project
- Cobrasco
- Commodity
- copper
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC
Geometry
- Grade
- 0.4
- Grade Unit
- %
- Intercept
- 502 m
- From
- 38 m
- To
- 540 m
- Hole Depth
- 169.1 m
- Intercept Depth
- 38 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH009:38-540
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- ALS
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-24T00:00:00.000Z
Reasoning: 502m intercept at 0.40% Cu is a significant porphyry-style discovery interval.
Positive factors
- extremely wide intercept
- confirms extension
Tags used in scoring
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: qaqc_disclosed is not 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
CDH009Cobrasco · molybdenumGrade: 73Grade Unit: ppmIntercept: 502 mView all detailsHide details
Identity
- Hole ID
- CDH009
- Project
- Cobrasco
- Commodity
- molybdenum
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC
Geometry
- Grade
- 73
- Grade Unit
- ppm
- Intercept
- 502 m
- From
- 38 m
- To
- 540 m
- Hole Depth
- 169.1 m
- Intercept Depth
- 38 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH009:38-540
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- ALS
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-24T00:00:00.000Z
Reasoning: 73ppm Mo accompanies the wide copper intercept.
Positive factors
- significant Mo content in a Cu porphyry
Tags used in scoring
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: qaqc_disclosed is not 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
CDH009Cobrasco · silverGrade: 1.22Grade Unit: g/tIntercept: 502 mView all detailsHide details
Identity
- Hole ID
- CDH009
- Project
- Cobrasco
- Commodity
- silver
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC
Geometry
- Grade
- 1.22
- Grade Unit
- g/t
- Intercept
- 502 m
- From
- 38 m
- To
- 540 m
- Hole Depth
- 169.1 m
- Intercept Depth
- 38 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH009:38-540
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- ALS
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-24T00:00:00.000Z
Reasoning: Trace silver credits.
Tags used in scoring
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: qaqc_disclosed is not 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
CDH009Cobrasco · copperGrade: 0.44Grade Unit: %Intercept: 388 mView all detailsHide details
Identity
- Hole ID
- CDH009
- Project
- Cobrasco
- Commodity
- copper
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC
Geometry
- Grade
- 0.44
- Grade Unit
- %
- Intercept
- 388 m
- From
- 38 m
- To
- 426 m
- Hole Depth
- 169.1 m
- Intercept Depth
- 38 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH009:38-426
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- ALS
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-24T00:00:00.000Z
Reasoning: Significant sub-interval within the larger 502m intercept.
Positive factors
- strong continuity
Tags used in scoring
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: qaqc_disclosed is not 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
CDH009Cobrasco · molybdenumGrade: 36Grade Unit: ppmIntercept: 388 mView all detailsHide details
Identity
- Hole ID
- CDH009
- Project
- Cobrasco
- Commodity
- molybdenum
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC
Geometry
- Grade
- 36
- Grade Unit
- ppm
- Intercept
- 388 m
- From
- 38 m
- To
- 426 m
- Hole Depth
- 169.1 m
- Intercept Depth
- 38 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH009:38-426
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- ALS
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-24T00:00:00.000Z
Reasoning: Mo credits in the sub-interval.
Tags used in scoring
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: qaqc_disclosed is not 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
CDH009Cobrasco · silverGrade: 1.28Grade Unit: g/tIntercept: 388 mView all detailsHide details
Identity
- Hole ID
- CDH009
- Project
- Cobrasco
- Commodity
- silver
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC
Geometry
- Grade
- 1.28
- Grade Unit
- g/t
- Intercept
- 388 m
- From
- 38 m
- To
- 426 m
- Hole Depth
- 169.1 m
- Intercept Depth
- 38 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH009:38-426
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- ALS
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-24T00:00:00.000Z
Reasoning: Trace silver credits.
Tags used in scoring
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: qaqc_disclosed is not 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
CDH009Cobrasco · copperGrade: 0.5Grade Unit: %Intercept: 186 mView all detailsHide details
Identity
- Hole ID
- CDH009
- Project
- Cobrasco
- Commodity
- copper
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC
Geometry
- Grade
- 0.5
- Grade Unit
- %
- Intercept
- 186 m
- From
- 38 m
- To
- 224 m
- Hole Depth
- 169.1 m
- Intercept Depth
- 38 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH009:38-224
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- ALS
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-24T00:00:00.000Z
Reasoning: High-grade core of the intercept.
Positive factors
- high grade for porphyry
Tags used in scoring
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: qaqc_disclosed is not 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
CDH009Cobrasco · molybdenumGrade: 22Grade Unit: ppmIntercept: 186 mView all detailsHide details
Identity
- Hole ID
- CDH009
- Project
- Cobrasco
- Commodity
- molybdenum
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC
Geometry
- Grade
- 22
- Grade Unit
- ppm
- Intercept
- 186 m
- From
- 38 m
- To
- 224 m
- Hole Depth
- 169.1 m
- Intercept Depth
- 38 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH009:38-224
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- ALS
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-24T00:00:00.000Z
Reasoning: Mo credits in the high-grade Cu interval.
Tags used in scoring
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: qaqc_disclosed is not 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
CDH009Cobrasco · silverGrade: 1.48Grade Unit: g/tIntercept: 186 mView all detailsHide details
Identity
- Hole ID
- CDH009
- Project
- Cobrasco
- Commodity
- silver
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC
Geometry
- Grade
- 1.48
- Grade Unit
- g/t
- Intercept
- 186 m
- From
- 38 m
- To
- 224 m
- Hole Depth
- 169.1 m
- Intercept Depth
- 38 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH009:38-224
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- ALS
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-24T00:00:00.000Z
Reasoning: Trace silver credits.
Tags used in scoring
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: qaqc_disclosed is not 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.