Aldebaran Intercepts 919.55 m of 0.66% CuEq, Within 1,517.00 m of 0.55% CuEq

Original announcement by tmx on

Company
Aldebaran Resources Inc.
Ticker
ALDE
Exchange
TSX
Region
San Juan, Argentina
Primary commodity
Copper
Secondary commodities
Gold, Silver, Molybdenum
Document categories
Drill results
Extracted
2026-08-21 09:48:55 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Aldebaran Resources reported significant drill intercepts from its Altar copper-gold project in Argentina, highlighted by a 1,517m continuous interval of 0.55% CuEq in hole ALD-24-243. These results extend the Altar United porphyry to the north and will support an upcoming mineral resource estimate in H2 2024.

Reasoning: The drill results show significant continuous mineralization (up to 1.5km) and extend the known porphyry footprint, which is highly material for the upcoming resource update.

Positive factors

  • significant extension of mineralized footprint
  • long contiguous runs of mineralization
  • expansion of porphyry unit to the north

Negative factors

  • hole ALD-24-243 deviated significantly from intended target

Facts used in scoring: 8

Classification and evidence

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: ALD-24-243 extends the mineralized Altar United porphyry to the North, well beyond previous interpretations.

Evidence · text

“Extends the mineralized Altar United porphyry to the North, well beyond previous interpretations”

QA/QC Disclosedpositive

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

Why it applies: Release details sampling, preparation, and assay protocols including use of certified ALS laboratory and blanks/standards/duplicates.

Evidence · text

“Aldebaran independently inserts certified control standards (Super Certified Reference Materials (SCRM's), coarse field blanks, and duplicates into the sample stream”

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used.

Why it applies: While assumptions are provided, the CuEq calculation relies on benchmarking and historical metallurgical test work rather than current site-specific tests.

Evidence · text

“Recoveries used for the supporting metals found in the CuEq equation are as follows: Au = 50%, Ag = 51%, (based on historical metallurgical test work) and Mo = 70% (benchmarking from similar deposits).”

Extracted facts

Stored fact records: 8. Some facts used in scoring do not have a stored record.

Drill Results (8)

ALD-24-243Altar · copperGrade: 0.49Grade Unit: %Intercept: 1517 mView all details
Link to this fact

Identity

Hole ID
ALD-24-243
Project
Altar
Commodity
copper
Region
argentina
Reported Region
San Juan, Argentina
Ticker
ALDE

Geometry

Grade
0.49
Grade Unit
%
Intercept
1517 m
From
325 m
To
1842 m

Classification

Deposit Type
porphyry
Program
mixed
Sample Type
drill
Group ID
ALD-24-243:325.0-1842.0
Mining Method
open_pit

QA/QC

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

Metal Equivalent

Metal Eq. Grade
0.55
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2024-06-17T00:00:00.000Z

Reasoning: Large continuous interval of copper mineralization.

Positive factors

  • long continuous interval

Evidence · table

“0.55”

Context: 1,517.00

ALD-24-243Altar · goldGrade: 0.03Grade Unit: g/tIntercept: 1517 mView all details
Link to this fact

Identity

Hole ID
ALD-24-243
Project
Altar
Commodity
gold
Region
argentina
Reported Region
San Juan, Argentina
Ticker
ALDE

Geometry

Grade
0.03
Grade Unit
g/t
Intercept
1517 m
From
325 m
To
1842 m

Classification

Deposit Type
porphyry
Program
mixed
Sample Type
drill
Group ID
ALD-24-243:325.0-1842.0
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
2024-06-17T00:00:00.000Z

Reasoning: Low grade gold component in a copper-dominant interval.

Evidence · table

“0.03”

Context: 1,517.00

ALD-24-243Altar · silverGrade: 2.07Grade Unit: g/tIntercept: 1517 mView all details
Link to this fact

Identity

Hole ID
ALD-24-243
Project
Altar
Commodity
silver
Region
argentina
Reported Region
San Juan, Argentina
Ticker
ALDE

Geometry

Grade
2.07
Grade Unit
g/t
Intercept
1517 m
From
325 m
To
1842 m

Classification

Deposit Type
porphyry
Program
mixed
Sample Type
drill
Group ID
ALD-24-243:325.0-1842.0
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
2024-06-17T00:00:00.000Z

Reasoning: Trace silver component.

Evidence · table

“2.07”

Context: 1,517.00

ALD-24-243Altar · molybdenumGrade: 174Grade Unit: ppmIntercept: 1517 mView all details
Link to this fact

Identity

Hole ID
ALD-24-243
Project
Altar
Commodity
molybdenum
Region
argentina
Reported Region
San Juan, Argentina
Ticker
ALDE

Geometry

Grade
174
Grade Unit
ppm
Intercept
1517 m
From
325 m
To
1842 m

Classification

Deposit Type
porphyry
Program
mixed
Sample Type
drill
Group ID
ALD-24-243:325.0-1842.0
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
2024-06-17T00:00:00.000Z

Reasoning: Trace molybdenum component.

Evidence · table

“174”

Context: 1,517.00

ALD-24-243Altar · copperGrade: 0.59Grade Unit: %Intercept: 919.55 mView all details
Link to this fact

Identity

Hole ID
ALD-24-243
Project
Altar
Commodity
copper
Region
argentina
Reported Region
San Juan, Argentina
Ticker
ALDE

Geometry

Grade
0.59
Grade Unit
%
Intercept
919.55 m
From
527 m
To
1446.55 m

Classification

Deposit Type
porphyry
Program
mixed
Sample Type
drill
Group ID
ALD-24-243:527.0-1446.55
Mining Method
open_pit

QA/QC

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

Metal Equivalent

Metal Eq. Grade
0.66
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2024-06-17T00:00:00.000Z

Reasoning: Strong intercept of 919m at 0.66% CuEq.

Positive factors

  • high grade for porphyry

Evidence · table

“0.66”

Context: 919.55

ALD-24-243Altar · copperGrade: 0.73Grade Unit: %Intercept: 227 mView all details
Link to this fact

Identity

Hole ID
ALD-24-243
Project
Altar
Commodity
copper
Region
argentina
Reported Region
San Juan, Argentina
Ticker
ALDE

Geometry

Grade
0.73
Grade Unit
%
Intercept
227 m
From
930 m
To
1157 m

Classification

Deposit Type
porphyry
Program
mixed
Sample Type
drill
Group ID
ALD-24-243:930.0-1157.0
Mining Method
open_pit

QA/QC

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

Metal Equivalent

Metal Eq. Grade
0.79
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2024-06-17T00:00:00.000Z

Reasoning: High grade intercept within the larger mineralized zone.

Positive factors

  • high grade

Evidence · table

“0.79”

Context: 227.00

ALD-24-129EXTAltar · copperGrade: 0.35Grade Unit: %Intercept: 1047 mView all details
Link to this fact

Identity

Hole ID
ALD-24-129EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
San Juan, Argentina
Ticker
ALDE

Geometry

Grade
0.35
Grade Unit
%
Intercept
1047 m
From
164 m
To
1211 m

Classification

Deposit Type
porphyry
Program
mixed
Sample Type
drill
Group ID
ALD-24-129EXT:164.0-1211.0
Mining Method
open_pit

QA/QC

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

Metal Equivalent

Metal Eq. Grade
0.38
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2024-06-17T00:00:00.000Z

Reasoning: Significant extension of historic hole.

Positive factors

  • fills gap in drilling

Evidence · table

“0.38”

Context: 1,047.00

ALD-24-165EXTAltar · copperGrade: 0.26Grade Unit: %Intercept: 986 mView all details
Link to this fact

Identity

Hole ID
ALD-24-165EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
San Juan, Argentina
Ticker
ALDE

Geometry

Grade
0.26
Grade Unit
%
Intercept
986 m
From
222 m
To
1208 m

Classification

Deposit Type
porphyry
Program
mixed
Sample Type
drill
Group ID
ALD-24-165EXT:222.0-1208.0
Mining Method
open_pit

QA/QC

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

Metal Equivalent

Metal Eq. Grade
0.29
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2024-06-17T00:00:00.000Z

Reasoning: Extension of historic hole.

Positive factors

  • fills gap in drilling

Evidence · table

“0.29”

Context: 986.00

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.