Andina Copper Intersects High-Grade, Near-Surface Copper in Step-Out Hole
Original announcement by orestocks on
- Company
- Andina Copper Corporation
- Ticker
- ANDC.CN
- Exchange
- Unavailable
- Region
- Chocó, Colombia
- Primary commodity
- Copper
- Secondary commodities
- Molybdenum, Silver
- Document categories
- Drill results
- Extracted
- 2026-09-23 11:52:41 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Andina Copper reported significant step-out drilling results at the Cobrasco porphyry copper-molybdenum project in Colombia. Drillhole CDH013 intersected 322m at 0.51% Cu, extending the mineralized footprint to the northwest.
Reasoning: Significant step-out drilling at Cobrasco porphyry intersected high-grade copper (0.65% Cu over 200m) and expanded the known footprint.
Positive factors
- Step-out drilling successfully extended the mineralized footprint to the northwest
- High-grade copper intercepts (up to 2.2% Cu in 2m samples) in a porphyry system
- Significant width of mineralization (322m) at economic grades
- QA/QC protocols and independent laboratory (ALS) clearly disclosed
Negative factors
- Apparent widths reported without true width disclosure
Facts used in scoring: 7
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: CDH013 was collared on a new pad 350m northwest of Pad 3, expanding the footprint.
Evidence · text
“significant step-out drilling at its Cobrasco porphyry copper-molybdenum discovery”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release details systematic insertion of standards, blanks, and duplicates, and names ALS as the laboratory.
Evidence · text
“The Company’s QA/QC program includes the systematic insertion of certified reference materials, coarse and fine blanks, coarse-reject duplicates and pulp duplicates”
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 reported interval widths are downhole lengths and may not represent true widths.
Evidence · text
“Reported interval widths are downhole lengths and may not represent the true widths of mineralization.”
Extracted facts
Stored fact records: 7. Some facts used in scoring do not have a stored record.
Drill Results (7)
CDH013Cobrasco · copperGrade: 0.51Grade Unit: %Intercept: 322 mView all detailsHide details
Identity
- Hole ID
- CDH013
- Project
- Cobrasco
- Commodity
- copper
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC.CN
Geometry
- Grade
- 0.51
- Grade Unit
- %
- Intercept
- 322 m
- From
- 74 m
- To
- 396 m
- Intercept Depth
- 74 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH013:74-396
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-23T00:00:00.000Z
Reasoning: 322m at 0.51% Cu is a strong porphyry intercept and demonstrates footprint expansion.
Positive factors
- Strong width and grade for a porphyry system
- Significant step-out extension
Negative factors
- Apparent width only
Evidence · text
“322m at 0.51% Cu, 70ppm Mo, 1.6g/t Ag from 74m”
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: "# Andina Copper Intersects High-Grade, Near-Surface Copper in Step-Out Hole *2026-09-23T07:00:00-04:00* Andina Copper "
CDH013Cobrasco · molybdenumGrade: 70Grade Unit: ppmIntercept: 322 mView all detailsHide details
Identity
- Hole ID
- CDH013
- Project
- Cobrasco
- Commodity
- molybdenum
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC.CN
Geometry
- Grade
- 70
- Grade Unit
- ppm
- Intercept
- 322 m
- From
- 74 m
- To
- 396 m
- Intercept Depth
- 74 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH013:74-396
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-23T00:00:00.000Z
Reasoning: 70ppm Mo accompanies the copper mineralization.
Positive factors
- Co-product molybdenum present
Evidence · text
“322m at 0.51% Cu, 70ppm Mo, 1.6g/t Ag from 74m”
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: "# Andina Copper Intersects High-Grade, Near-Surface Copper in Step-Out Hole *2026-09-23T07:00:00-04:00* Andina Copper "
CDH013Cobrasco · silverGrade: 1.6Grade Unit: g/tIntercept: 322 mView all detailsHide details
Identity
- Hole ID
- CDH013
- Project
- Cobrasco
- Commodity
- silver
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC.CN
Geometry
- Grade
- 1.6
- Grade Unit
- g/t
- Intercept
- 322 m
- From
- 74 m
- To
- 396 m
- Intercept Depth
- 74 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH013:74-396
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-23T00:00:00.000Z
Reasoning: Trace silver credits reported.
Evidence · text
“322m at 0.51% Cu, 70ppm Mo, 1.6g/t Ag from 74m”
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: "# Andina Copper Intersects High-Grade, Near-Surface Copper in Step-Out Hole *2026-09-23T07:00:00-04:00* Andina Copper "
CDH013Cobrasco · copperGrade: 0.65Grade Unit: %Intercept: 200 mView all detailsHide details
Identity
- Hole ID
- CDH013
- Project
- Cobrasco
- Commodity
- copper
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC.CN
Geometry
- Grade
- 0.65
- Grade Unit
- %
- Intercept
- 200 m
- From
- 82 m
- To
- 282 m
- Intercept Depth
- 82 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH013:82-282
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-23T00:00:00.000Z
Reasoning: 200m at 0.65% Cu is a strong intercept for a porphyry system.
Positive factors
- High grade over significant width
Evidence · text
“200m at 0.65% Cu, 84ppm Mo from 82m”
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: "# Andina Copper Intersects High-Grade, Near-Surface Copper in Step-Out Hole *2026-09-23T07:00:00-04:00* Andina Copper "
CDH013Cobrasco · molybdenumGrade: 84Grade Unit: ppmIntercept: 200 mView all detailsHide details
Identity
- Hole ID
- CDH013
- Project
- Cobrasco
- Commodity
- molybdenum
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC.CN
Geometry
- Grade
- 84
- Grade Unit
- ppm
- Intercept
- 200 m
- From
- 82 m
- To
- 282 m
- Intercept Depth
- 82 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH013:82-282
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-23T00:00:00.000Z
Reasoning: 84ppm Mo accompanies the high-grade copper interval.
Evidence · text
“200m at 0.65% Cu, 84ppm Mo from 82m”
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: "# Andina Copper Intersects High-Grade, Near-Surface Copper in Step-Out Hole *2026-09-23T07:00:00-04:00* Andina Copper "
CDH013Cobrasco · copperGrade: 0.81Grade Unit: %Intercept: 44 mView all detailsHide details
Identity
- Hole ID
- CDH013
- Project
- Cobrasco
- Commodity
- copper
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC.CN
Geometry
- Grade
- 0.81
- Grade Unit
- %
- Intercept
- 44 m
- From
- 204 m
- To
- 248 m
- Intercept Depth
- 204 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH013:204-248
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-23T00:00:00.000Z
Reasoning: 44m at 0.81% Cu is a strong intercept.
Positive factors
- High grade interval within a larger mineralized zone
Evidence · text
“44m at 0.81% Cu, 110ppm Mo from 204m”
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: "# Andina Copper Intersects High-Grade, Near-Surface Copper in Step-Out Hole *2026-09-23T07:00:00-04:00* Andina Copper "
CDH013Cobrasco · molybdenumGrade: 110Grade Unit: ppmIntercept: 44 mView all detailsHide details
Identity
- Hole ID
- CDH013
- Project
- Cobrasco
- Commodity
- molybdenum
- Region
- colombia
- Reported Region
- colombia
- Ticker
- ANDC.CN
Geometry
- Grade
- 110
- Grade Unit
- ppm
- Intercept
- 44 m
- From
- 204 m
- To
- 248 m
- Intercept Depth
- 204 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH013:204-248
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-23T00:00:00.000Z
Reasoning: 110ppm Mo accompanies the high-grade copper interval.
Evidence · text
“44m at 0.81% Cu, 110ppm Mo from 204m”
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: "# Andina Copper Intersects High-Grade, Near-Surface Copper in Step-Out Hole *2026-09-23T07:00:00-04:00* Andina Copper "
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.