Andina Copper Intersects 152m at 0.67% Cu from 54m, within 272m at 0.50% Cu
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
- Extracted
- 2026-09-15 10:44:47 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Andina Copper reported significant drill results from the Cobrasco Project in Colombia, specifically a 272m intercept at 0.50% Cu in hole CDH008. The results confirm the northwest extension of the Cobrasco Central Cu-Mo porphyry system.
Reasoning: CDH008 reports a very wide, moderate-grade copper intercept that extends the known porphyry system to the north, supported by robust QA/QC disclosure.
Positive factors
- significant width and grade
- step-out extension confirmed
- QA/QC disclosed
Negative factors
- apparent width only
Facts used in scoring: 6
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: CDH008 confirms the northwest extension of the Cobrasco Cu-Mo mineralized system.
Evidence · text
“CDH008 further confirms the northwest (“NW”) extension of the Cobrasco Cu-Mo mineralized system”
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 sample collection, preparation, and the use of an accredited laboratory (ALS).
Evidence · text
“From Quibdó, core samples were sent to the ALS preparation facility in Medellin, an accredited laboratory”
Apparent Width Onlynegative
Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.
Why it applies: The document explicitly states that interval widths are measured down-hole and uncorrected.
Evidence · text
“Interval widths are measured down-hole and uncorrected. They do not necessarily represent true widths of mineralization.”
Extracted facts
Stored fact records: 6. Some facts used in scoring do not have a stored record.
Drill Results (6)
CDH008Cobrasco · copperGrade: 0.5Grade Unit: %Intercept: 272 mView all detailsHide details
Identity
- Hole ID
- CDH008
- Project
- Cobrasco
- Commodity
- copper
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC
Geometry
- Grade
- 0.5
- Grade Unit
- %
- Intercept
- 272 m
- From
- 52 m
- To
- 324 m
- Hole Depth
- 652.25 m
- Intercept Depth
- 52 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH008:52-324
- Mining Method
- open_pit
Location
- CRS
- WGS84, UTM Zone 18N
- Azimuth
- 360 °
- Dip
- -50 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-13T00:00:00.000Z
Reasoning: 272m width is highly significant for a porphyry system.
Positive factors
- significant width
Negative factors
- apparent width only
Evidence · text
“272m @ 0.50% Cu”
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
CDH008Cobrasco · molybdenumGrade: 75Grade Unit: ppmIntercept: 272 mView all detailsHide details
Identity
- Hole ID
- CDH008
- Project
- Cobrasco
- Commodity
- molybdenum
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC
Geometry
- Grade
- 75
- Grade Unit
- ppm
- Intercept
- 272 m
- From
- 52 m
- To
- 324 m
- Hole Depth
- 652.25 m
- Intercept Depth
- 52 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH008:52-324
- Mining Method
- open_pit
Location
- CRS
- WGS84, UTM Zone 18N
- Azimuth
- 360 °
- Dip
- -50 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-13T00:00:00.000Z
Reasoning: 75ppm Mo is a notable byproduct in this porphyry system.
Evidence · text
“75ppm Mo”
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
CDH008Cobrasco · silverGrade: 1.92Grade Unit: g/tIntercept: 272 mView all detailsHide details
Identity
- Hole ID
- CDH008
- Project
- Cobrasco
- Commodity
- silver
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC
Geometry
- Grade
- 1.92
- Grade Unit
- g/t
- Intercept
- 272 m
- From
- 52 m
- To
- 324 m
- Hole Depth
- 652.25 m
- Intercept Depth
- 52 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH008:52-324
- Mining Method
- open_pit
Location
- CRS
- WGS84, UTM Zone 18N
- Azimuth
- 360 °
- Dip
- -50 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-13T00:00:00.000Z
Reasoning: Silver is a minor byproduct.
Evidence · text
“1.92g/t Ag”
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
CDH008Cobrasco · copperGrade: 0.67Grade Unit: %Intercept: 152 mView all detailsHide details
Identity
- Hole ID
- CDH008
- Project
- Cobrasco
- Commodity
- copper
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC
Geometry
- Grade
- 0.67
- Grade Unit
- %
- Intercept
- 152 m
- From
- 54 m
- To
- 206 m
- Hole Depth
- 652.25 m
- Intercept Depth
- 54 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH008:54-206
- Mining Method
- open_pit
Location
- CRS
- WGS84, UTM Zone 18N
- Azimuth
- 360 °
- Dip
- -50 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-13T00:00:00.000Z
Reasoning: Strong grade intercept within a large width.
Positive factors
- high grade for porphyry
Negative factors
- apparent width only
Evidence · text
“152m @ 0.67% Cu”
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
CDH008Cobrasco · molybdenumGrade: 68Grade Unit: ppmIntercept: 152 mView all detailsHide details
Identity
- Hole ID
- CDH008
- Project
- Cobrasco
- Commodity
- molybdenum
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC
Geometry
- Grade
- 68
- Grade Unit
- ppm
- Intercept
- 152 m
- From
- 54 m
- To
- 206 m
- Hole Depth
- 652.25 m
- Intercept Depth
- 54 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH008:54-206
- Mining Method
- open_pit
Location
- CRS
- WGS84, UTM Zone 18N
- Azimuth
- 360 °
- Dip
- -50 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-13T00:00:00.000Z
Reasoning: 68ppm Mo is a notable byproduct.
Evidence · text
“68ppm Mo”
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
CDH008Cobrasco · silverGrade: 1.9Grade Unit: g/tIntercept: 152 mView all detailsHide details
Identity
- Hole ID
- CDH008
- Project
- Cobrasco
- Commodity
- silver
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC
Geometry
- Grade
- 1.9
- Grade Unit
- g/t
- Intercept
- 152 m
- From
- 54 m
- To
- 206 m
- Hole Depth
- 652.25 m
- Intercept Depth
- 54 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH008:54-206
- Mining Method
- open_pit
Location
- CRS
- WGS84, UTM Zone 18N
- Azimuth
- 360 °
- Dip
- -50 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- ALS
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-13T00:00:00.000Z
Reasoning: Silver is a minor byproduct.
Evidence · text
“1.90g/t Ag”
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.