Andina Copper Provides Exploration Update at Piuquenes

Original announcement by tmx on

Company
Andina Copper Corporation
Ticker
ANDC
Exchange
TSX
Region
San Juan Province, Argentina
Primary commodity
Copper
Secondary commodities
Gold, Silver
Document categories
Drill results, Other
Extracted
2026-08-22 22:45:49 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Andina Copper has reported drill results from the Piuquenes East project, including a 208 m intercept at 0.31% Cu. Additionally, a new Magnetotelluric (MT) survey has identified a large, deep-seated anomaly at Piuquenes North, which the company plans to test with upcoming drilling.

Reasoning: The release reports significant drill intercepts at Piuquenes East and defines a large, high-priority MT anomaly at Piuquenes North, suggesting potential for system expansion.

Positive factors

  • expansion of known porphyry mineralization
  • new high-priority geophysical target defined
  • visual confirmation of mineralization persistence

Negative factors

  • assays for PIU09 are pending

Facts used in scoring: 6

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 includes a Qualified Person (QP) sign-off by Francisco Montes.

Evidence · text

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

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: Drilling at Piuquenes East is described as expanding known porphyry mineralization.

Evidence · text

“Ongoing drilling at Piuquenes East continues to expand known porphyry copper-gold mineralization”

Extracted facts

Stored fact records: 6. Some facts used in scoring do not have a stored record.

Drill Results (6)

PIU09Piuquenes · copperGrade: 0.31Grade Unit: %Intercept: 208 mView all details
Link to this fact

Identity

Hole ID
PIU09
Project
Piuquenes
Commodity
copper
Region
argentina
Reported Region
San Juan Province, Argentina
Ticker
ANDC

Geometry

Grade
0.31
Grade Unit
%
Intercept
208 m
From
292 m
To
500 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
PIU09:292-500
Mining Method
open_pit

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-02-10T00:00:00.000Z

Reasoning: Moderate grade copper intercept in a porphyry system.

Positive factors

  • continuous mineralization

Evidence · text

“208 m @ 0.31% Cu, 0.13 g/t Au, 1.24 g/t Ag (from 292 m)”
PIU09Piuquenes · goldGrade: 0.13Grade Unit: g/tIntercept: 208 mView all details
Link to this fact

Identity

Hole ID
PIU09
Project
Piuquenes
Commodity
gold
Region
argentina
Reported Region
San Juan Province, Argentina
Ticker
ANDC

Geometry

Grade
0.13
Grade Unit
g/t
Intercept
208 m
From
292 m
To
500 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
PIU09:292-500
Mining Method
open_pit

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-02-10T00:00:00.000Z

Reasoning: Low grade gold associated with copper intercept.

Evidence · text

“208 m @ 0.31% Cu, 0.13 g/t Au, 1.24 g/t Ag (from 292 m)”
PIU09Piuquenes · silverGrade: 1.24Grade Unit: g/tIntercept: 208 mView all details
Link to this fact

Identity

Hole ID
PIU09
Project
Piuquenes
Commodity
silver
Region
argentina
Reported Region
San Juan Province, Argentina
Ticker
ANDC

Geometry

Grade
1.24
Grade Unit
g/t
Intercept
208 m
From
292 m
To
500 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
PIU09:292-500
Mining Method
open_pit

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-02-10T00:00:00.000Z

Reasoning: Low grade silver associated with copper intercept.

Evidence · text

“208 m @ 0.31% Cu, 0.13 g/t Au, 1.24 g/t Ag (from 292 m)”
PIU09Piuquenes · copperGrade: 0.49Grade Unit: %Intercept: 98 mView all details
Link to this fact

Identity

Hole ID
PIU09
Project
Piuquenes
Commodity
copper
Region
argentina
Reported Region
San Juan Province, Argentina
Ticker
ANDC

Geometry

Grade
0.49
Grade Unit
%
Intercept
98 m
From
292 m
To
390 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
PIU09:292-390
Mining Method
open_pit

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-02-10T00:00:00.000Z

Reasoning: Stronger grade sub-interval within the main intercept.

Positive factors

  • higher grade sub-interval

Evidence · text

“Including 98 m @ 0.49 % Cu, 0.16 g/t Au, 1.26 g/t Ag (from 292 m)”
PIU09Piuquenes · goldGrade: 0.16Grade Unit: g/tIntercept: 98 mView all details
Link to this fact

Identity

Hole ID
PIU09
Project
Piuquenes
Commodity
gold
Region
argentina
Reported Region
San Juan Province, Argentina
Ticker
ANDC

Geometry

Grade
0.16
Grade Unit
g/t
Intercept
98 m
From
292 m
To
390 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
PIU09:292-390
Mining Method
open_pit

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-02-10T00:00:00.000Z

Reasoning: Low grade gold sub-interval.

Evidence · text

“Including 98 m @ 0.49 % Cu, 0.16 g/t Au, 1.26 g/t Ag (from 292 m)”
PIU09Piuquenes · silverGrade: 1.26Grade Unit: g/tIntercept: 98 mView all details
Link to this fact

Identity

Hole ID
PIU09
Project
Piuquenes
Commodity
silver
Region
argentina
Reported Region
San Juan Province, Argentina
Ticker
ANDC

Geometry

Grade
1.26
Grade Unit
g/t
Intercept
98 m
From
292 m
To
390 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
PIU09:292-390
Mining Method
open_pit

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-02-10T00:00:00.000Z

Reasoning: Low grade silver sub-interval.

Evidence · text

“Including 98 m @ 0.49 % Cu, 0.16 g/t Au, 1.26 g/t Ag (from 292 m)”

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.