Andina Copper Exploration Update

Original announcement by tmx on

Company
Andina Copper Corporation
Ticker
ANDC
Exchange
TSX
Region
Chocó Department, Colombia
Primary commodity
Copper
Secondary commodities
Molybdenum, Silver
Document categories
Drill results, Other
Extracted
2026-08-22 22:45:45 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Andina Copper has provided an update on its Cobrasco copper project in Colombia, highlighting the completion of over 2,000m of drilling in the current campaign. The update includes restatements of significant historical copper-molybdenum intercepts and reports on ongoing surface exploration and geophysical survey preparations.

Reasoning: The release provides an update on ongoing exploration, primarily restating historical high-grade porphyry intercepts from previous drilling while announcing the continuation of CDH003.

Positive factors

  • Wide porphyry style mineralization
  • Significant copper and molybdenum intercepts
  • Anomalous float samples

Negative factors

  • Many reported intercepts are historical restatements

Facts used in scoring: 16

Classification and evidence

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: The release mentions a Qualified Person (Francisco Montes) and refers to previous news releases for assay context.

Evidence · text

“Francisco Montes, a consultant of Andina Copper Corp and a “qualified person” (“QP”)”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: A significant portion of the reported drill intercepts are restatements of results from 2023.

Evidence · text

“refer 9 February 2023 News Release – Rugby Resources”

Extracted facts

Stored fact records: 16. Some facts used in scoring do not have a stored record.

Drill Results (16)

CDH001Cobrasco · copperGrade: 0.42Grade Unit: %Intercept: 808 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

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

Sample Type
drill
Group ID
CDH001:184-992

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2023-01-17T00:00:00.000Z

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: Restatement of a wide copper intercept from a 2023 news release.

Positive factors

  • Significant width

Negative factors

  • Historical data

Evidence · text

“CDH001 808 m @ 0.42% Cu, 79 ppm Mo (184 – 992 m)”
CDH001Cobrasco · molybdenumGrade: 79Grade Unit: ppmIntercept: 808 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH001
Project
Cobrasco
Commodity
molybdenum
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

Sample Type
drill
Group ID
CDH001:184-992

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2023-01-17T00:00:00.000Z

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: Restatement of molybdenum byproduct grade.

Negative factors

  • Historical data

Evidence · text

“CDH001 808 m @ 0.42% Cu, 79 ppm Mo (184 – 992 m)”
CDH001Cobrasco · copperGrade: 0.77Grade Unit: %Intercept: 138 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH001
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

Sample Type
drill
Group ID
CDH001:768-906

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2023-01-17T00:00:00.000Z

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: High grade sub-interval within CDH001 restated from 2023.

Positive factors

  • High grade sub-interval

Negative factors

  • Historical data

Evidence · text

“138 m @ 0.77% Cu, 164 ppm Mo (768 – 906 m)”
CDH001Cobrasco · molybdenumGrade: 164Grade Unit: ppmIntercept: 138 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH001
Project
Cobrasco
Commodity
molybdenum
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

Sample Type
drill
Group ID
CDH001:768-906

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2023-01-17T00:00:00.000Z

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: Restatement of molybdenum sub-interval.

Negative factors

  • Historical data

Evidence · text

“138 m @ 0.77% Cu, 164 ppm Mo (768 – 906 m)”
CDH001Cobrasco · copperGrade: 0.9Grade Unit: %Intercept: 82 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH001
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

Sample Type
drill
Group ID
CDH001:774-856

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2023-01-17T00:00:00.000Z

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: High grade sub-interval within CDH001 restated from 2023.

Positive factors

  • High grade sub-interval

Negative factors

  • Historical data

Evidence · text

“82 m @ 0.9% Cu, 199 ppm Mo (774 – 856 m)”
CDH001Cobrasco · molybdenumGrade: 199Grade Unit: ppmIntercept: 82 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH001
Project
Cobrasco
Commodity
molybdenum
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

Sample Type
drill
Group ID
CDH001:774-856

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2023-01-17T00:00:00.000Z

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: Restatement of molybdenum sub-interval.

Negative factors

  • Historical data

Evidence · text

“82 m @ 0.9% Cu, 199 ppm Mo (774 – 856 m)”
CDH002Cobrasco · copperGrade: 0.46Grade Unit: %Intercept: 754 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH002
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

Sample Type
drill
Group ID
CDH002:152-906

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2023-01-17T00:00:00.000Z

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: Restatement of a wide copper intercept from 2023.

Positive factors

  • Significant width

Negative factors

  • Historical data

Evidence · text

“CDH002 754 m @ 0.46% Cu, 76 ppm Mo (152-906 m)”
CDH002Cobrasco · molybdenumGrade: 76Grade Unit: ppmIntercept: 754 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH002
Project
Cobrasco
Commodity
molybdenum
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

Sample Type
drill
Group ID
CDH002:152-906

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2023-01-17T00:00:00.000Z

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: Restatement of molybdenum byproduct grade.

Negative factors

  • Historical data

Evidence · text

“CDH002 754 m @ 0.46% Cu, 76 ppm Mo (152-906 m)”
CDH002Cobrasco · copperGrade: 0.74Grade Unit: %Intercept: 172 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH002
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

Sample Type
drill
Group ID
CDH002:474-646

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2023-01-17T00:00:00.000Z

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: High grade sub-interval within CDH002 restated from 2023.

Positive factors

  • High grade sub-interval

Negative factors

  • Historical data

Evidence · text

“172 m @ 0.74% Cu, 78 ppm Mo (474-646 m)”
CDH002Cobrasco · molybdenumGrade: 78Grade Unit: ppmIntercept: 172 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH002
Project
Cobrasco
Commodity
molybdenum
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

Sample Type
drill
Group ID
CDH002:474-646

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2023-01-17T00:00:00.000Z

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: Restatement of molybdenum sub-interval.

Negative factors

  • Historical data

Evidence · text

“172 m @ 0.74% Cu, 78 ppm Mo (474-646 m)”
CDH003Cobrasco · copperGrade: 0.69Grade Unit: %Intercept: 144.6 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH003
Project
Cobrasco
Commodity
copper
Region
colombia
Reported Region
Chocó Department, Colombia
Ticker
ANDC

Geometry

Grade
0.69
Grade Unit
%
Intercept
144.6 m
From
156 m
To
300.6 m

Classification

Sample Type
drill
Group ID
CDH003:156-300.6

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2023-02-09T00:00:00.000Z

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: Restatement of historical copper intercept from Rugby Resources.

Positive factors

  • Significant width

Negative factors

  • Historical data

Evidence · text

“CDH003 144.6 m @ 0.69% Cu, 155 ppm Mo, 1.4 g/t Ag (156–300.6 m (EOH))”
CDH003Cobrasco · molybdenumGrade: 155Grade Unit: ppmIntercept: 144.6 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH003
Project
Cobrasco
Commodity
molybdenum
Region
colombia
Reported Region
Chocó Department, Colombia
Ticker
ANDC

Geometry

Grade
155
Grade Unit
ppm
Intercept
144.6 m
From
156 m
To
300.6 m

Classification

Sample Type
drill
Group ID
CDH003:156-300.6

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2023-02-09T00:00:00.000Z

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: Restatement of molybdenum byproduct grade.

Negative factors

  • Historical data

Evidence · text

“CDH003 144.6 m @ 0.69% Cu, 155 ppm Mo, 1.4 g/t Ag (156–300.6 m (EOH))”
CDH003Cobrasco · silverGrade: 1.4Grade Unit: g/tIntercept: 144.6 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH003
Project
Cobrasco
Commodity
silver
Region
colombia
Reported Region
Chocó Department, Colombia
Ticker
ANDC

Geometry

Grade
1.4
Grade Unit
g/t
Intercept
144.6 m
From
156 m
To
300.6 m

Classification

Sample Type
drill
Group ID
CDH003:156-300.6

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2023-02-09T00:00:00.000Z

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: Restatement of silver byproduct grade.

Negative factors

  • Historical data

Evidence · text

“CDH003 144.6 m @ 0.69% Cu, 155 ppm Mo, 1.4 g/t Ag (156–300.6 m (EOH))”
CDH003Cobrasco · copperGrade: 2.69Grade Unit: %Intercept: 2.6 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH003
Project
Cobrasco
Commodity
copper
Region
colombia
Reported Region
Chocó Department, Colombia
Ticker
ANDC

Geometry

Grade
2.69
Grade Unit
%
Intercept
2.6 m
From
298 m
To
300.6 m

Classification

Sample Type
drill
Group ID
CDH003:298-300.6

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2023-02-09T00:00:00.000Z

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: High grade end-of-hole sub-interval restated from 2023.

Positive factors

  • High grade sub-interval

Negative factors

  • Historical data
  • Narrow interval

Evidence · text

“The last 2.6 m ended in 2.69% Cu, 151 ppm Mo, 7.3 g/t Ag”
CDH003Cobrasco · molybdenumGrade: 151Grade Unit: ppmIntercept: 2.6 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH003
Project
Cobrasco
Commodity
molybdenum
Region
colombia
Reported Region
Chocó Department, Colombia
Ticker
ANDC

Geometry

Grade
151
Grade Unit
ppm
Intercept
2.6 m
From
298 m
To
300.6 m

Classification

Sample Type
drill
Group ID
CDH003:298-300.6

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2023-02-09T00:00:00.000Z

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: Restatement of molybdenum sub-interval.

Negative factors

  • Historical data

Evidence · text

“The last 2.6 m ended in 2.69% Cu, 151 ppm Mo, 7.3 g/t Ag”
CDH003Cobrasco · silverGrade: 7.3Grade Unit: g/tIntercept: 2.6 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH003
Project
Cobrasco
Commodity
silver
Region
colombia
Reported Region
Chocó Department, Colombia
Ticker
ANDC

Geometry

Grade
7.3
Grade Unit
g/t
Intercept
2.6 m
From
298 m
To
300.6 m

Classification

Sample Type
drill
Group ID
CDH003:298-300.6

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2023-02-09T00:00:00.000Z

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: Restatement of silver sub-interval.

Negative factors

  • Historical data

Evidence · text

“The last 2.6 m ended in 2.69% Cu, 151 ppm Mo, 7.3 g/t Ag”

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.