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
Extracted
2026-08-22 22:32:43 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Andina Copper has reported significant drill results from the Cobrasco Project in Colombia, with hole CDH009 intersecting 502m at 0.40% Cu. The results confirm a major northwesterly extension of the Cu-Mo porphyry system, which remains open in all directions.

Reasoning: The drillhole CDH009 reports a very wide 502m intercept at 0.40% Cu, extending the known mineralized footprint significantly to the northwest.

Positive factors

  • significant northwesterly extension of mineralization
  • wide intervals of high-grade near-surface Cu-Mo
  • mineralization remains open in all directions

Negative factors

  • copper grade decreases at depth

Facts used in scoring: 12

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 includes detailed QA/QC protocols, including use of an accredited lab (ALS) and supervision of core handling.

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: 12. Some facts used in scoring do not have a stored record.

Drill Results (12)

CDH009Cobrasco Project · copperGrade: 0.4Grade Unit: %Intercept: 502 mView all details
Link to this fact

Identity

Hole ID
CDH009
Project
Cobrasco Project
Commodity
copper
Region
colombia
Reported Region
Chocó, Colombia
Ticker
ANDC

Geometry

Grade
0.4
Grade Unit
%
Intercept
502 m
From
38 m
To
540 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
CDH009:38-540
Mining Method
open_pit

QA/QC

Laboratory
ALS
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: 502m width is exceptional for a porphyry system.

Positive factors

  • extremely wide intercept

Evidence · text

“502m @ 0.40% Cu”
CDH009Cobrasco Project · molybdenumGrade: 73Grade Unit: ppmIntercept: 502 mView all details
Link to this fact

Identity

Hole ID
CDH009
Project
Cobrasco Project
Commodity
molybdenum
Region
colombia
Reported Region
Chocó, Colombia
Ticker
ANDC

Geometry

Grade
73
Grade Unit
ppm
Intercept
502 m
From
38 m
To
540 m

Classification

Sample Type
drill
Group ID
CDH009:38-540

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

  • consistent Mo presence

Evidence · text

“73ppm Mo”
CDH009Cobrasco Project · silverGrade: 1.22Grade Unit: g/tIntercept: 502 mView all details
Link to this fact

Identity

Hole ID
CDH009
Project
Cobrasco Project
Commodity
silver
Region
colombia
Reported Region
Chocó, Colombia
Ticker
ANDC

Geometry

Grade
1.22
Grade Unit
g/t
Intercept
502 m
From
38 m
To
540 m

Classification

Sample Type
drill
Group ID
CDH009:38-540

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Silver is a minor byproduct in this intercept.

Evidence · text

“1.22g/t Ag”
CDH009Cobrasco Project · copperGrade: 0.44Grade Unit: %Intercept: 388 mView all details
Link to this fact

Identity

Hole ID
CDH009
Project
Cobrasco Project
Commodity
copper
Region
colombia
Reported Region
Chocó, Colombia
Ticker
ANDC

Geometry

Grade
0.44
Grade Unit
%
Intercept
388 m
From
38 m
To
426 m

Classification

Sample Type
drill
Group ID
CDH009:38-426

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Strong sub-interval within the larger intercept.

Positive factors

  • high grade over significant width

Evidence · text

“388m @ 0.44% Cu”
CDH009Cobrasco Project · molybdenumGrade: 36Grade Unit: ppmIntercept: 388 mView all details
Link to this fact

Identity

Hole ID
CDH009
Project
Cobrasco Project
Commodity
molybdenum
Region
colombia
Reported Region
Chocó, Colombia
Ticker
ANDC

Geometry

Grade
36
Grade Unit
ppm
Intercept
388 m
From
38 m
To
426 m

Classification

Sample Type
drill
Group ID
CDH009:38-426

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Mo accompanies the high-grade Cu sub-interval.

Evidence · text

“36ppm Mo”
CDH009Cobrasco Project · silverGrade: 1.28Grade Unit: g/tIntercept: 388 mView all details
Link to this fact

Identity

Hole ID
CDH009
Project
Cobrasco Project
Commodity
silver
Region
colombia
Reported Region
Chocó, Colombia
Ticker
ANDC

Geometry

Grade
1.28
Grade Unit
g/t
Intercept
388 m
From
38 m
To
426 m

Classification

Sample Type
drill
Group ID
CDH009:38-426

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Silver byproduct.

Evidence · text

“1.28g/t Ag”
CDH009Cobrasco Project · copperGrade: 0.5Grade Unit: %Intercept: 186 mView all details
Link to this fact

Identity

Hole ID
CDH009
Project
Cobrasco Project
Commodity
copper
Region
colombia
Reported Region
Chocó, Colombia
Ticker
ANDC

Geometry

Grade
0.5
Grade Unit
%
Intercept
186 m
From
38 m
To
224 m

Classification

Sample Type
drill
Group ID
CDH009:38-224

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Highest grade sub-interval reported.

Positive factors

  • high grade

Evidence · text

“186m @ 0.50% Cu”
CDH009Cobrasco Project · molybdenumGrade: 22Grade Unit: ppmIntercept: 186 mView all details
Link to this fact

Identity

Hole ID
CDH009
Project
Cobrasco Project
Commodity
molybdenum
Region
colombia
Reported Region
Chocó, Colombia
Ticker
ANDC

Geometry

Grade
22
Grade Unit
ppm
Intercept
186 m
From
38 m
To
224 m

Classification

Sample Type
drill
Group ID
CDH009:38-224

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Mo accompanies the high-grade Cu sub-interval.

Evidence · text

“22ppm Mo”
CDH009Cobrasco Project · silverGrade: 1.48Grade Unit: g/tIntercept: 186 mView all details
Link to this fact

Identity

Hole ID
CDH009
Project
Cobrasco Project
Commodity
silver
Region
colombia
Reported Region
Chocó, Colombia
Ticker
ANDC

Geometry

Grade
1.48
Grade Unit
g/t
Intercept
186 m
From
38 m
To
224 m

Classification

Sample Type
drill
Group ID
CDH009:38-224

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Silver byproduct.

Evidence · text

“1.48g/t Ag”
CDH009Cobrasco Project · moGrade: 73Grade Unit: ppmIntercept: 502 mView all details
Link to this fact

Identity

Hole ID
CDH009
Project
Cobrasco Project
Commodity
mo
Region
colombia
Reported Region
Chocó, Colombia
Ticker
ANDC

Geometry

Grade
73
Grade Unit
ppm
Intercept
502 m
From
38 m
To
540 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
CDH009:38-540
Mining Method
open_pit

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Expanded from assay table: 73 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

“73”

Context: CDH009

CDH009Cobrasco Project · moGrade: 36Grade Unit: ppmIntercept: 388 mView all details
Link to this fact

Identity

Hole ID
CDH009
Project
Cobrasco Project
Commodity
mo
Region
colombia
Reported Region
Chocó, Colombia
Ticker
ANDC

Geometry

Grade
36
Grade Unit
ppm
Intercept
388 m
From
38 m
To
426 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
CDH009:38-426
Mining Method
open_pit

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Expanded from assay table: 36 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

“36”

Context: CDH009

CDH009Cobrasco Project · moGrade: 22Grade Unit: ppmIntercept: 186 mView all details
Link to this fact

Identity

Hole ID
CDH009
Project
Cobrasco Project
Commodity
mo
Region
colombia
Reported Region
Chocó, Colombia
Ticker
ANDC

Geometry

Grade
22
Grade Unit
ppm
Intercept
186 m
From
38 m
To
224 m

Classification

Deposit Type
porphyry
Sample Type
drill
Group ID
CDH009:38-224
Mining Method
open_pit

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-24T00:00:00.000Z

Reasoning: Expanded from assay table: 22 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

“22”

Context: CDH009

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.