Andina Copper Intersects 352 m @ 0.68% Cu, 112 ppm Mo from 144 m, incl. 118 m @ 1.17% Cu, 193 ppm Mo from 246 m
Original announcement by tmx on
- Company
- Andina Copper Corporation
- Ticker
- ANDC
- Exchange
- TSX
- Region
- Chocó Department, Colombia
- Primary commodity
- Copper
- Secondary commodities
- Molybdenum, Silver, Gold
- Document categories
- Drill results
- Extracted
- 2026-08-22 22:45:14 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Andina Copper reported significant copper-molybdenum assay results from its maiden drillhole CDH003 at the Cobrasco project in Colombia. The hole intersected a high-grade 118 m interval at 1.17% Cu, validating the project as a potentially large-scale porphyry system.
Reasoning: The intercept of 118 m @ 1.17% Cu is exceptional for a porphyry system and represents a significant discovery for a maiden drillhole.
Positive factors
- exceptional copper grade for porphyry
- significant width
- maiden drillhole results
- QA/QC disclosed
Facts used in scoring: 33
Classification and evidence
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: 1.17% Cu over 118m is exceptionally high grade for a porphyry system.
Evidence · text
“118 m @ 1.17% Cu”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release details ALS laboratory, QA/QC methods (blanks, standards, duplicates), and QP sign-off.
Evidence · text
“ALS preparation facility in Medellin, an accredited laboratory”
Maiden Resourceneutral · Story-specific tag
First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component.
Why it applies: The results are from the company's maiden diamond drillhole at the project.
Evidence · text
“maiden diamond drillhole CDH003”
Extracted facts
Stored fact records: 33. Some facts used in scoring do not have a stored record.
Drill Results (33)
CDH003Cobrasco · copperGrade: 0.68Grade Unit: %Intercept: 352 mView all detailsHide details
Identity
- Hole ID
- CDH003
- Project
- Cobrasco
- Commodity
- copper
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 0.68
- Grade Unit
- %
- Intercept
- 352 m
- From
- 144 m
- To
- 496 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH003:144-496
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: 352m at 0.68% Cu is a very strong porphyry intercept.
Positive factors
- strong grade and width for porphyry
Evidence · text
“352 m @ 0.68% Cu, 112 ppm Mo, 1.55 g/t Ag from 144 m”
CDH003Cobrasco · molybdenumGrade: 112Grade Unit: ppmIntercept: 352 mView all detailsHide details
Identity
- Hole ID
- CDH003
- Project
- Cobrasco
- Commodity
- molybdenum
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 112
- Grade Unit
- ppm
- Intercept
- 352 m
- From
- 144 m
- To
- 496 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH003:144-496
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: 112 ppm Mo is a notable byproduct in a Cu porphyry.
Positive factors
- significant molybdenum content
Evidence · text
“352 m @ 0.68% Cu, 112 ppm Mo”
CDH003Cobrasco · silverGrade: 1.55Grade Unit: g/tIntercept: 352 mView all detailsHide details
Identity
- Hole ID
- CDH003
- Project
- Cobrasco
- Commodity
- silver
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 1.55
- Grade Unit
- g/t
- Intercept
- 352 m
- From
- 144 m
- To
- 496 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH003:144-496
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Silver is a minor byproduct here.
Evidence · text
“1.55 g/t Ag from 144 m”
CDH003Cobrasco · copperGrade: 1.17Grade Unit: %Intercept: 118 mView all detailsHide details
Identity
- Hole ID
- CDH003
- Project
- Cobrasco
- Commodity
- copper
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 1.17
- Grade Unit
- %
- Intercept
- 118 m
- From
- 246 m
- To
- 364 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH003:246-364
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: 1.17% Cu over 118m is a very high-grade intercept for a porphyry system.
Positive factors
- exceptional grade for porphyry
Evidence · text
“118 m @ 1.17% Cu, 193 ppm Mo from 246 m”
CDH003Cobrasco · molybdenumGrade: 193Grade Unit: ppmIntercept: 118 mView all detailsHide details
Identity
- Hole ID
- CDH003
- Project
- Cobrasco
- Commodity
- molybdenum
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 193
- Grade Unit
- ppm
- Intercept
- 118 m
- From
- 246 m
- To
- 364 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH003:246-364
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: 193 ppm Mo is strong for a porphyry byproduct.
Positive factors
- high molybdenum grade
Evidence · text
“193 ppm Mo”
CDH003Cobrasco · silverGrade: 2.35Grade Unit: g/tIntercept: 118 mView all detailsHide details
Identity
- Hole ID
- CDH003
- Project
- Cobrasco
- Commodity
- silver
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 2.35
- Grade Unit
- g/t
- Intercept
- 118 m
- From
- 246 m
- To
- 364 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- CDH003:246-364
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Silver is a minor byproduct.
Evidence · text
“2.35 g/t Ag”
CDH001Cobrasco · copperGrade: 0.42Grade Unit: %Intercept: 808 mView all detailsHide details
Identity
- Hole ID
- CDH001
- Project
- Cobrasco
- Commodity
- copper
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 0.42
- Grade Unit
- %
- Intercept
- 808 m
- From
- 184 m
- To
- 992 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- CDH001:184-992
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table. 0.42 % copper is strong against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 339.4 %·m is strong.
Positive factors
- 0.42 % copper is strong on the porphyry deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.42”
Context: CDH001
CDH001Cobrasco · moGrade: 79Grade Unit: ppmIntercept: 808 mView all detailsHide details
Identity
- Hole ID
- CDH001
- Project
- Cobrasco
- Commodity
- mo
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 79
- Grade Unit
- ppm
- Intercept
- 808 m
- From
- 184 m
- To
- 992 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- CDH001:184-992
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table: 79 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“79”
Context: CDH001
CDH001Cobrasco · silverGrade: 1.12Grade Unit: ppmIntercept: 808 mView all detailsHide details
Identity
- Hole ID
- CDH001
- Project
- Cobrasco
- Commodity
- silver
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 1.12
- Grade Unit
- ppm
- Intercept
- 808 m
- From
- 184 m
- To
- 992 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- CDH001:184-992
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table: 1.12 ppm silver, reported in a unit the rubric does not cover (g/t).
Negative factors
- Grade unit ppm does not match the silver rubric unit g/t; not scored.
Evidence · table
“1.12”
Context: CDH001
inc. inc.Cobrasco · copperGrade: 0.77Grade Unit: %Intercept: 138 mView all detailsHide details
Identity
- Hole ID
- inc. inc.
- Project
- Cobrasco
- Commodity
- copper
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 0.77
- Grade Unit
- %
- Intercept
- 138 m
- From
- 768 m
- To
- 906 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- inc. inc.:768-906
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table. 0.77 % copper is strong against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 106.3 %·m is moderate (grade alone is strong; the better of the two is used).
Positive factors
- 0.77 % copper is strong on the porphyry deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.77”
Context: inc. inc.
inc. inc.Cobrasco · moGrade: 164Grade Unit: ppmIntercept: 138 mView all detailsHide details
Identity
- Hole ID
- inc. inc.
- Project
- Cobrasco
- Commodity
- mo
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 164
- Grade Unit
- ppm
- Intercept
- 138 m
- From
- 768 m
- To
- 906 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- inc. inc.:768-906
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table: 164 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“164”
Context: inc. inc.
inc. inc.Cobrasco · silverGrade: 0.02Grade Unit: ppmIntercept: 138 mView all detailsHide details
Identity
- Hole ID
- inc. inc.
- Project
- Cobrasco
- Commodity
- silver
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 0.02
- Grade Unit
- ppm
- Intercept
- 138 m
- From
- 768 m
- To
- 906 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- inc. inc.:768-906
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table: 0.02 ppm silver, reported in a unit the rubric does not cover (g/t).
Negative factors
- Grade unit ppm does not match the silver rubric unit g/t; not scored.
Evidence · table
“0.02”
Context: inc. inc.
inc. inc.Cobrasco · copperGrade: 0.9Grade Unit: %Intercept: 82 mView all detailsHide details
Identity
- Hole ID
- inc. inc.
- Project
- Cobrasco
- Commodity
- copper
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 0.9
- Grade Unit
- %
- Intercept
- 82 m
- From
- 774 m
- To
- 856 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- inc. inc.:774-856
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table. 0.9 % copper is exceptional against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 73.8 %·m is moderate (grade alone is exceptional; the better of the two is used).
Positive factors
- 0.9 % copper is exceptional on the porphyry deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.9”
Context: inc. inc.
inc. inc.Cobrasco · moGrade: 199Grade Unit: ppmIntercept: 82 mView all detailsHide details
Identity
- Hole ID
- inc. inc.
- Project
- Cobrasco
- Commodity
- mo
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 199
- Grade Unit
- ppm
- Intercept
- 82 m
- From
- 774 m
- To
- 856 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- inc. inc.:774-856
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table: 199 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“199”
Context: inc. inc.
inc. inc.Cobrasco · silverGrade: 3.05Grade Unit: ppmIntercept: 82 mView all detailsHide details
Identity
- Hole ID
- inc. inc.
- Project
- Cobrasco
- Commodity
- silver
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 3.05
- Grade Unit
- ppm
- Intercept
- 82 m
- From
- 774 m
- To
- 856 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- inc. inc.:774-856
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table: 3.05 ppm silver, reported in a unit the rubric does not cover (g/t).
Negative factors
- Grade unit ppm does not match the silver rubric unit g/t; not scored.
Evidence · table
“3.05”
Context: inc. inc.
CDH002Cobrasco · copperGrade: 0.29Grade Unit: %Intercept: 70 mView all detailsHide details
Identity
- Hole ID
- CDH002
- Project
- Cobrasco
- Commodity
- copper
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 0.29
- Grade Unit
- %
- Intercept
- 70 m
- From
- 18 m
- To
- 88 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- CDH002:18-88
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table. 0.29 % copper is moderate against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 20.3 %·m is weak (grade alone is moderate; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.29”
Context: CDH002
CDH002Cobrasco · moGrade: 53Grade Unit: ppmIntercept: 70 mView all detailsHide details
Identity
- Hole ID
- CDH002
- Project
- Cobrasco
- Commodity
- mo
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 53
- Grade Unit
- ppm
- Intercept
- 70 m
- From
- 18 m
- To
- 88 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- CDH002:18-88
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table: 53 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“53”
Context: CDH002
CDH002Cobrasco · silverGrade: 2.4Grade Unit: ppmIntercept: 70 mView all detailsHide details
Identity
- Hole ID
- CDH002
- Project
- Cobrasco
- Commodity
- silver
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 2.4
- Grade Unit
- ppm
- Intercept
- 70 m
- From
- 18 m
- To
- 88 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- CDH002:18-88
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table: 2.4 ppm silver, reported in a unit the rubric does not cover (g/t).
Negative factors
- Grade unit ppm does not match the silver rubric unit g/t; not scored.
Evidence · table
“2.40”
Context: CDH002
and inc.Cobrasco · copperGrade: 0.46Grade Unit: %Intercept: 754 mView all detailsHide details
Identity
- Hole ID
- and inc.
- Project
- Cobrasco
- Commodity
- copper
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 0.46
- Grade Unit
- %
- Intercept
- 754 m
- From
- 152 m
- To
- 906 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- and inc.:152-906
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table. 0.46 % copper is strong against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 346.8 %·m is strong.
Positive factors
- 0.46 % copper is strong on the porphyry deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.46”
Context: and inc.
and inc.Cobrasco · moGrade: 76Grade Unit: ppmIntercept: 754 mView all detailsHide details
Identity
- Hole ID
- and inc.
- Project
- Cobrasco
- Commodity
- mo
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 76
- Grade Unit
- ppm
- Intercept
- 754 m
- From
- 152 m
- To
- 906 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- and inc.:152-906
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table: 76 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“76”
Context: and inc.
and inc.Cobrasco · silverGrade: 1.18Grade Unit: ppmIntercept: 754 mView all detailsHide details
Identity
- Hole ID
- and inc.
- Project
- Cobrasco
- Commodity
- silver
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 1.18
- Grade Unit
- ppm
- Intercept
- 754 m
- From
- 152 m
- To
- 906 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- and inc.:152-906
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table: 1.18 ppm silver, reported in a unit the rubric does not cover (g/t).
Negative factors
- Grade unit ppm does not match the silver rubric unit g/t; not scored.
Evidence · table
“1.18”
Context: and inc.
and inc.Cobrasco · copperGrade: 0.74Grade Unit: %Intercept: 172 mView all detailsHide details
Identity
- Hole ID
- and inc.
- Project
- Cobrasco
- Commodity
- copper
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 0.74
- Grade Unit
- %
- Intercept
- 172 m
- From
- 474 m
- To
- 646 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- and inc.:474-646
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table. 0.74 % copper is strong against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 127.3 %·m is moderate (grade alone is strong; the better of the two is used).
Positive factors
- 0.74 % copper is strong on the porphyry deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.74”
Context: and inc.
and inc.Cobrasco · moGrade: 78Grade Unit: ppmIntercept: 172 mView all detailsHide details
Identity
- Hole ID
- and inc.
- Project
- Cobrasco
- Commodity
- mo
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 78
- Grade Unit
- ppm
- Intercept
- 172 m
- From
- 474 m
- To
- 646 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- and inc.:474-646
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table: 78 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“78”
Context: and inc.
and inc.Cobrasco · silverGrade: 1.98Grade Unit: ppmIntercept: 172 mView all detailsHide details
Identity
- Hole ID
- and inc.
- Project
- Cobrasco
- Commodity
- silver
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 1.98
- Grade Unit
- ppm
- Intercept
- 172 m
- From
- 474 m
- To
- 646 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- and inc.:474-646
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table: 1.98 ppm silver, reported in a unit the rubric does not cover (g/t).
Negative factors
- Grade unit ppm does not match the silver rubric unit g/t; not scored.
Evidence · table
“1.98”
Context: and inc.
CDH003Cobrasco · copperGrade: 0.25Grade Unit: %Intercept: 60 mView all detailsHide details
Identity
- Hole ID
- CDH003
- Project
- Cobrasco
- Commodity
- copper
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 0.25
- Grade Unit
- %
- Intercept
- 60 m
- From
- 20 m
- To
- 80 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- CDH003:20-80
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table. 0.25 % copper is moderate against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 15.0 %·m is below (grade alone is moderate; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.25”
Context: CDH003
CDH003Cobrasco · moGrade: 49Grade Unit: ppmIntercept: 60 mView all detailsHide details
Identity
- Hole ID
- CDH003
- Project
- Cobrasco
- Commodity
- mo
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 49
- Grade Unit
- ppm
- Intercept
- 60 m
- From
- 20 m
- To
- 80 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- CDH003:20-80
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table: 49 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“49”
Context: CDH003
CDH003Cobrasco · silverGrade: 5Grade Unit: ppmIntercept: 60 mView all detailsHide details
Identity
- Hole ID
- CDH003
- Project
- Cobrasco
- Commodity
- silver
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 5
- Grade Unit
- ppm
- Intercept
- 60 m
- From
- 20 m
- To
- 80 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- CDH003:20-80
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table: 5 ppm silver, reported in a unit the rubric does not cover (g/t).
Negative factors
- Grade unit ppm does not match the silver rubric unit g/t; not scored.
Evidence · table
“5.00”
Context: CDH003
and inc.Cobrasco · copperGrade: 0.68Grade Unit: %Intercept: 352 mView all detailsHide details
Identity
- Hole ID
- and inc.
- Project
- Cobrasco
- Commodity
- copper
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 0.68
- Grade Unit
- %
- Intercept
- 352 m
- From
- 144 m
- To
- 496 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- and inc.:144-496
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table. 0.68 % copper is strong against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 239.4 %·m is strong.
Positive factors
- 0.68 % copper is strong on the porphyry deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.68”
Context: and inc.
and inc.Cobrasco · moGrade: 112Grade Unit: ppmIntercept: 352 mView all detailsHide details
Identity
- Hole ID
- and inc.
- Project
- Cobrasco
- Commodity
- mo
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 112
- Grade Unit
- ppm
- Intercept
- 352 m
- From
- 144 m
- To
- 496 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- and inc.:144-496
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table: 112 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“112”
Context: and inc.
and inc.Cobrasco · silverGrade: 1.55Grade Unit: ppmIntercept: 352 mView all detailsHide details
Identity
- Hole ID
- and inc.
- Project
- Cobrasco
- Commodity
- silver
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 1.55
- Grade Unit
- ppm
- Intercept
- 352 m
- From
- 144 m
- To
- 496 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- and inc.:144-496
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table: 1.55 ppm silver, reported in a unit the rubric does not cover (g/t).
Negative factors
- Grade unit ppm does not match the silver rubric unit g/t; not scored.
Evidence · table
“1.55”
Context: and inc.
and inc.Cobrasco · copperGrade: 1.17Grade Unit: %Intercept: 118 mView all detailsHide details
Identity
- Hole ID
- and inc.
- Project
- Cobrasco
- Commodity
- copper
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 1.17
- Grade Unit
- %
- Intercept
- 118 m
- From
- 246 m
- To
- 364 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- and inc.:246-364
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table. 1.17 % copper is exceptional against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 138.1 %·m is moderate (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.17 % copper is exceptional on the porphyry deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.17”
Context: and inc.
and inc.Cobrasco · moGrade: 193Grade Unit: ppmIntercept: 118 mView all detailsHide details
Identity
- Hole ID
- and inc.
- Project
- Cobrasco
- Commodity
- mo
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 193
- Grade Unit
- ppm
- Intercept
- 118 m
- From
- 246 m
- To
- 364 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- and inc.:246-364
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table: 193 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“193”
Context: and inc.
and inc.Cobrasco · silverGrade: 2.35Grade Unit: ppmIntercept: 118 mView all detailsHide details
Identity
- Hole ID
- and inc.
- Project
- Cobrasco
- Commodity
- silver
- Region
- colombia
- Reported Region
- Chocó Department, Colombia
- Ticker
- ANDC
Geometry
- Grade
- 2.35
- Grade Unit
- ppm
- Intercept
- 118 m
- From
- 246 m
- To
- 364 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- and inc.:246-364
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-02-05T00:00:00.000Z
Reasoning: Expanded from assay table: 2.35 ppm silver, reported in a unit the rubric does not cover (g/t).
Negative factors
- Grade unit ppm does not match the silver rubric unit g/t; not scored.
Evidence · table
“2.35”
Context: and inc.
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.