Andina Copper Extension Drilling Intersects 198 m at 0.51% Cu, 78 ppm Mo within 454 m at 0.43% Cu, 66 ppm Mo

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 22:39:34 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Andina Copper reported outstanding drill results from hole CDH005 at the Cobrasco Project in Colombia, intersecting 454 m at 0.43% Cu and 66 ppm Mo. The intercept includes a high-grade zone of 198 m at 0.51% Cu and 78 ppm Mo, confirming a large-scale southern extension of the porphyry system.

Reasoning: The drillhole CDH005 reports a very wide (454m) and high-grade (0.51% Cu) intercept, confirming a significant southern extension of the Cobrasco porphyry system.

Positive factors

  • large-scale porphyry system demonstrated
  • significant southern extension of mineralization
  • high-grade Cu-Mo intercepts
  • broad mineralized intervals

Facts used in scoring: 4

Classification and evidence

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: CDH005 was designed to test the southern extensions of the Cobrasco system in a large step-out.

Evidence · text

“CDH005 was designed to test the southern extensions of the Cobrasco system to a depth of 700m, in a large step-out”

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 laboratory (ALS), sampling protocols, and QP sign-off.

Evidence · text

“From Quibdó core samples were sent to the ALS preparation facility in Medellin, an accredited laboratory”

Extracted facts

Stored fact records: 4. Some facts used in scoring do not have a stored record.

Drill Results (4)

CDH005Cobrasco Project · copperGrade: 0.51Grade Unit: %Intercept: 198 mView all details
Link to this fact

Identity

Hole ID
CDH005
Project
Cobrasco Project
Commodity
copper
Region
colombia
Reported Region
Chocó, Colombia
Ticker
ANDC

Geometry

Grade
0.51
Grade Unit
%
Intercept
198 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
CDH005:unknown-unknown
Mining Method
open_pit

QA/QC

Laboratory
ALS
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
blanks, standards, duplicates

Compositing

Cutoff Grade
0.2
Cutoff Unit
%

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-24T00:00:00.000Z

Reasoning: 198m at 0.51% Cu is a strong intercept for a porphyry system.

Positive factors

  • high grade for porphyry
  • significant width

Evidence · text

“198 m at 0.51% Cu, 78 ppm Mo”
CDH005Cobrasco Project · molybdenumGrade: 78Grade Unit: ppmIntercept: 198 mView all details
Link to this fact

Identity

Hole ID
CDH005
Project
Cobrasco Project
Commodity
molybdenum
Region
colombia
Reported Region
Chocó, Colombia
Ticker
ANDC

Geometry

Grade
78
Grade Unit
ppm
Intercept
198 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
CDH005:unknown-unknown
Mining Method
open_pit

QA/QC

Laboratory
ALS
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
blanks, standards, duplicates

Compositing

Cutoff Grade
0.2
Cutoff Unit
%

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-24T00:00:00.000Z

Reasoning: 78 ppm Mo accompanies high-grade copper.

Positive factors

  • significant molybdenum content

Evidence · text

“198 m at 0.51% Cu, 78 ppm Mo”
CDH005Cobrasco Project · copperGrade: 0.43Grade Unit: %Intercept: 454 mView all details
Link to this fact

Identity

Hole ID
CDH005
Project
Cobrasco Project
Commodity
copper
Region
colombia
Reported Region
Chocó, Colombia
Ticker
ANDC

Geometry

Grade
0.43
Grade Unit
%
Intercept
454 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
CDH005:unknown-unknown
Mining Method
open_pit

QA/QC

Laboratory
ALS
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
blanks, standards, duplicates

Compositing

Cutoff Grade
0.2
Cutoff Unit
%

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-24T00:00:00.000Z

Reasoning: 454m width is exceptional for a porphyry system.

Positive factors

  • extremely wide intercept
  • confirms large-scale system

Evidence · text

“454 m at 0.43% Cu, 66 ppm Mo”
CDH005Cobrasco Project · molybdenumGrade: 66Grade Unit: ppmIntercept: 454 mView all details
Link to this fact

Identity

Hole ID
CDH005
Project
Cobrasco Project
Commodity
molybdenum
Region
colombia
Reported Region
Chocó, Colombia
Ticker
ANDC

Geometry

Grade
66
Grade Unit
ppm
Intercept
454 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
CDH005:unknown-unknown
Mining Method
open_pit

QA/QC

Laboratory
ALS
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
blanks, standards, duplicates

Compositing

Cutoff Grade
0.2
Cutoff Unit
%

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-03-24T00:00:00.000Z

Reasoning: 66 ppm Mo over 454m supports the Cu-Mo porphyry model.

Positive factors

  • consistent molybdenum mineralization

Evidence · text

“454 m at 0.43% Cu, 66 ppm Mo”

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.