Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, 0.19 g/t Au and 1.02 g/t Ag) at the Altar Copper-Gold Project in San Juan Argentina

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, Arsenic
Document categories
Drill results, Resource update
Extracted
2026-09-13 11:06:21 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Aldebaran Resources reported infill drilling results from its Altar Copper-Gold Project in San Juan, Argentina, aimed at upgrading Inferred resources to Measured and Indicated categories. Highlights include 936 meters at 0.66% CuEq, with a higher-grade section of 194 meters at 0.99% CuEq. These results demonstrate consistent mineralization and are crucial for the upcoming resource update and pre-feasibility study, with all intervals representing true thickness.

Reasoning: The infill drilling program at the Altar project delivered very long intercepts with strong to exceptional copper equivalent grades, confirming mineralization consistency and supporting the upgrade of resources for a pre-feasibility study. The transparent reporting enhances confidence in the results, despite the presence of arsenic.

Positive factors

  • Exceptional and strong copper equivalent grades over significant widths for a porphyry deposit
  • Infill drilling successfully targets resource conversion from Inferred to Measured & Indicated categories, de-risking the project
  • Transparent disclosure of metal equivalent assumptions, QA/QC procedures, and true width of intercepts
  • Results support an upcoming resource update and pre-feasibility study

Negative factors

  • Presence of arsenic, a deleterious element, is noted in some intercepts

Facts used in scoring: 102

Classification and evidence

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: The intercept of 194 m at 0.99% CuEq is an exceptionally high-grade zone for a porphyry copper deposit, exceeding the exceptional threshold of 0.8% CuEq.

Evidence · table

“0.99”

Context: 194.00

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: The document explicitly states that 'Intervals represent the true thickness of the deposit.'

Evidence · text

“Intervals represent the true thickness of the deposit.”

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 systematic sampling protocols, use of certified control standards, blanks, and duplicates, and mentions ALS as the certified laboratory.

Evidence · text

“Altar follows systematic and rigorous sampling and analytical protocols which meet and exceed industry standards. ... Aldebaran independently inserts certified control standards (Super Certified Reference Materials (SCRM’s), coarse field blanks, and duplicates into the sample stream to monitor data quality.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: The document states 'The grades are uncut' and provides clear from/to depths and interval lengths, implying transparent compositing.

Evidence · text

“The grades are uncut.”

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: The drilling program is explicitly described as 'infill drilling program' with the goal to 'upgrade resource blocks classified as Inferred to the Measured & Indicated categories'.

Evidence · text

“infill drilling program at the Altar project in San Juan, Argentina. The goal of these holes was to upgrade resource blocks classified as Inferred to the Measured & Indicated categories.”

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: Arsenic (As) is reported in the assay table for multiple intercepts, which is a known deleterious element in copper concentrates.

Evidence · table

“As (ppm)”

Context: CuEq (%)

Extracted facts

Stored fact records: 102. Some facts used in scoring do not have a stored record.

Drill Results (102)

ALD-26-021EXTAltar · copperGrade: 0.2Grade Unit: %Intercept: 190 mView all details
Link to this fact

Identity

Hole ID
ALD-26-021EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.2
Grade Unit
%
Intercept
190 m
True Width
190 m
From
26 m
To
216 m
Hole Depth
1163 m
Intercept Depth
26 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-021EXT:26-216
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides a good length of moderate grade copper, contributing to resource definition for the infill drilling program. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Grade is moderate for a porphyry copper deposit
  • Presence of arsenic

Evidence · table

“0.20”

Context: 190.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 190

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-021EXTAltar · goldGrade: 0.04Grade Unit: g/tIntercept: 190 mView all details
Link to this fact

Identity

Hole ID
ALD-26-021EXT
Project
Altar
Commodity
gold
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.04
Grade Unit
g/t
Intercept
190 m
True Width
190 m
From
26 m
To
216 m
Hole Depth
1163 m
Intercept Depth
26 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-021EXT:26-216
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides a good length of weak grade gold, contributing to resource definition for the infill drilling program. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Gold grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.04”

Context: 190.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 190

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-021EXTAltar · silverGrade: 0.3Grade Unit: g/tIntercept: 190 mView all details
Link to this fact

Identity

Hole ID
ALD-26-021EXT
Project
Altar
Commodity
silver
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.3
Grade Unit
g/t
Intercept
190 m
True Width
190 m
From
26 m
To
216 m
Hole Depth
1163 m
Intercept Depth
26 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-021EXT:26-216
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides a good length of weak grade silver, contributing to resource definition for the infill drilling program. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Silver grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.30”

Context: 190.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 190

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-021EXTAltar · molybdenumGrade: 39Grade Unit: ppmIntercept: 190 mView all details
Link to this fact

Identity

Hole ID
ALD-26-021EXT
Project
Altar
Commodity
molybdenum
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
39
Grade Unit
ppm
Intercept
190 m
True Width
190 m
From
26 m
To
216 m
Hole Depth
1163 m
Intercept Depth
26 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-021EXT:26-216
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides a good length of low grade molybdenum, contributing to resource definition for the infill drilling program. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Molybdenum grade is low
  • Presence of arsenic

Evidence · table

“39”

Context: 190.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 190

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-021EXTAltar · arsenicGrade: 23Grade Unit: ppmIntercept: 190 mView all details
Link to this fact

Identity

Hole ID
ALD-26-021EXT
Project
Altar
Commodity
arsenic
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
23
Grade Unit
ppm
Intercept
190 m
True Width
190 m
From
26 m
To
216 m
Hole Depth
1163 m
Intercept Depth
26 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-021EXT:26-216
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept reports arsenic, a deleterious element, which could pose processing challenges. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic, a deleterious element

Evidence · table

“23”

Context: 190.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 190

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-021EXTAltar · copperGrade: 0.22Grade Unit: %Intercept: 190 mView all details
Link to this fact

Identity

Hole ID
ALD-26-021EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.22
Grade Unit
%
Intercept
190 m
True Width
190 m
From
26 m
To
216 m
Hole Depth
1163 m
Intercept Depth
26 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-021EXT:26-216
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Metal Eq. Grade
0.22
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides a good length of moderate CuEq grade, contributing to resource definition for the infill drilling program. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • CuEq grade is moderate for a porphyry copper deposit
  • Presence of arsenic

Evidence · table

“0.22”

Context: 190.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 190

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-021EXTAltar · copperGrade: 0.18Grade Unit: %Intercept: 84 mView all details
Link to this fact

Identity

Hole ID
ALD-26-021EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.18
Grade Unit
%
Intercept
84 m
True Width
84 m
From
284 m
To
368 m
Hole Depth
1163 m
Intercept Depth
26 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-021EXT:284-368
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides a good length of weak grade copper, contributing to resource definition for the infill drilling program. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Grade is weak for a porphyry copper deposit
  • Presence of arsenic

Evidence · table

“0.18”

Context: 84.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 84

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-021EXTAltar · goldGrade: 0.03Grade Unit: g/tIntercept: 84 mView all details
Link to this fact

Identity

Hole ID
ALD-26-021EXT
Project
Altar
Commodity
gold
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.03
Grade Unit
g/t
Intercept
84 m
True Width
84 m
From
284 m
To
368 m
Hole Depth
1163 m
Intercept Depth
26 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-021EXT:284-368
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides a good length of weak grade gold, contributing to resource definition for the infill drilling program. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Gold grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.03”

Context: 84.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 84

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-021EXTAltar · silverGrade: 0.63Grade Unit: g/tIntercept: 84 mView all details
Link to this fact

Identity

Hole ID
ALD-26-021EXT
Project
Altar
Commodity
silver
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.63
Grade Unit
g/t
Intercept
84 m
True Width
84 m
From
284 m
To
368 m
Hole Depth
1163 m
Intercept Depth
26 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-021EXT:284-368
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides a good length of weak grade silver, contributing to resource definition for the infill drilling program. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Silver grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.63”

Context: 84.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 84

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-021EXTAltar · molybdenumGrade: 49Grade Unit: ppmIntercept: 84 mView all details
Link to this fact

Identity

Hole ID
ALD-26-021EXT
Project
Altar
Commodity
molybdenum
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
49
Grade Unit
ppm
Intercept
84 m
True Width
84 m
From
284 m
To
368 m
Hole Depth
1163 m
Intercept Depth
26 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-021EXT:284-368
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides a good length of low grade molybdenum, contributing to resource definition for the infill drilling program. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Molybdenum grade is low
  • Presence of arsenic

Evidence · table

“49”

Context: 84.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 84

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-021EXTAltar · arsenicGrade: 352Grade Unit: ppmIntercept: 84 mView all details
Link to this fact

Identity

Hole ID
ALD-26-021EXT
Project
Altar
Commodity
arsenic
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
352
Grade Unit
ppm
Intercept
84 m
True Width
84 m
From
284 m
To
368 m
Hole Depth
1163 m
Intercept Depth
26 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-021EXT:284-368
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept reports elevated arsenic, a deleterious element, which could pose processing challenges. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Elevated arsenic content, a deleterious element

Evidence · table

“352”

Context: 84.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 84

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-021EXTAltar · copperGrade: 0.2Grade Unit: %Intercept: 84 mView all details
Link to this fact

Identity

Hole ID
ALD-26-021EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.2
Grade Unit
%
Intercept
84 m
True Width
84 m
From
284 m
To
368 m
Hole Depth
1163 m
Intercept Depth
26 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-021EXT:284-368
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Metal Eq. Grade
0.2
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides a good length of weak CuEq grade, contributing to resource definition for the infill drilling program. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • CuEq grade is weak for a porphyry copper deposit
  • Presence of arsenic

Evidence · table

“0.20”

Context: 84.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 84

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-021EXTAltar · copperGrade: 0.27Grade Unit: %Intercept: 164 mView all details
Link to this fact

Identity

Hole ID
ALD-26-021EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.27
Grade Unit
%
Intercept
164 m
True Width
164 m
From
928 m
To
1092 m
Hole Depth
1163 m
Intercept Depth
26 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-021EXT:928-1092
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides a good length of moderate grade copper, contributing to resource definition for the infill drilling program. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Grade is moderate for a porphyry copper deposit
  • Presence of arsenic

Evidence · table

“0.27”

Context: 164.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 164

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-021EXTAltar · goldGrade: 0.01Grade Unit: g/tIntercept: 164 mView all details
Link to this fact

Identity

Hole ID
ALD-26-021EXT
Project
Altar
Commodity
gold
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.01
Grade Unit
g/t
Intercept
164 m
True Width
164 m
From
928 m
To
1092 m
Hole Depth
1163 m
Intercept Depth
26 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-021EXT:928-1092
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides a good length of weak grade gold, contributing to resource definition for the infill drilling program. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Gold grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.01”

Context: 164.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 164

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-021EXTAltar · silverGrade: 2.6Grade Unit: g/tIntercept: 164 mView all details
Link to this fact

Identity

Hole ID
ALD-26-021EXT
Project
Altar
Commodity
silver
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
2.6
Grade Unit
g/t
Intercept
164 m
True Width
164 m
From
928 m
To
1092 m
Hole Depth
1163 m
Intercept Depth
26 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-021EXT:928-1092
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides a good length of weak grade silver, contributing to resource definition for the infill drilling program. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Silver grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“2.60”

Context: 164.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 164

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-021EXTAltar · molybdenumGrade: 27Grade Unit: ppmIntercept: 164 mView all details
Link to this fact

Identity

Hole ID
ALD-26-021EXT
Project
Altar
Commodity
molybdenum
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
27
Grade Unit
ppm
Intercept
164 m
True Width
164 m
From
928 m
To
1092 m
Hole Depth
1163 m
Intercept Depth
26 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-021EXT:928-1092
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides a good length of low grade molybdenum, contributing to resource definition for the infill drilling program. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Molybdenum grade is low
  • Presence of arsenic

Evidence · table

“27”

Context: 164.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 164

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-021EXTAltar · arsenicGrade: 349Grade Unit: ppmIntercept: 164 mView all details
Link to this fact

Identity

Hole ID
ALD-26-021EXT
Project
Altar
Commodity
arsenic
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
349
Grade Unit
ppm
Intercept
164 m
True Width
164 m
From
928 m
To
1092 m
Hole Depth
1163 m
Intercept Depth
26 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-021EXT:928-1092
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept reports elevated arsenic, a deleterious element, which could pose processing challenges. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Elevated arsenic content, a deleterious element

Evidence · table

“349”

Context: 164.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 164

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-021EXTAltar · copperGrade: 0.29Grade Unit: %Intercept: 164 mView all details
Link to this fact

Identity

Hole ID
ALD-26-021EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.29
Grade Unit
%
Intercept
164 m
True Width
164 m
From
928 m
To
1092 m
Hole Depth
1163 m
Intercept Depth
26 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-021EXT:928-1092
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

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
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides a good length of moderate CuEq grade, contributing to resource definition for the infill drilling program. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • CuEq grade is moderate for a porphyry copper deposit
  • Presence of arsenic

Evidence · table

“0.29”

Context: 164.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 164

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · copperGrade: 0.62Grade Unit: %Intercept: 936 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.62
Grade Unit
%
Intercept
936 m
True Width
936 m
From
130 m
To
1066 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:130-1066
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept represents an exceptional length with strong copper grade, significantly contributing to resource definition and de-risking the project. The true width disclosure and transparent reporting are highly positive.

Positive factors

  • Exceptional intercept length and strong copper grade for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.62”

Context: 936.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 936

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · goldGrade: 0.09Grade Unit: g/tIntercept: 936 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
gold
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.09
Grade Unit
g/t
Intercept
936 m
True Width
936 m
From
130 m
To
1066 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:130-1066
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept represents an exceptional length with weak gold grade, contributing to resource definition and de-risking the project. The true width disclosure and transparent reporting are highly positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Gold grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.09”

Context: 936.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 936

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · silverGrade: 1.16Grade Unit: g/tIntercept: 936 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
silver
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
1.16
Grade Unit
g/t
Intercept
936 m
True Width
936 m
From
130 m
To
1066 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:130-1066
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept represents an exceptional length with weak silver grade, contributing to resource definition and de-risking the project. The true width disclosure and transparent reporting are highly positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Silver grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“1.16”

Context: 936.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 936

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · molybdenumGrade: 19Grade Unit: ppmIntercept: 936 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
molybdenum
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
19
Grade Unit
ppm
Intercept
936 m
True Width
936 m
From
130 m
To
1066 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:130-1066
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept represents an exceptional length with low molybdenum grade, contributing to resource definition and de-risking the project. The true width disclosure and transparent reporting are highly positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Molybdenum grade is low
  • Presence of arsenic

Evidence · table

“19”

Context: 936.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 936

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · arsenicGrade: 229Grade Unit: ppmIntercept: 936 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
arsenic
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
229
Grade Unit
ppm
Intercept
936 m
True Width
936 m
From
130 m
To
1066 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:130-1066
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept reports arsenic, a deleterious element, which could pose processing challenges. The true width disclosure and transparent reporting are highly positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic, a deleterious element

Evidence · table

“229”

Context: 936.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 936

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · copperGrade: 0.66Grade Unit: %Intercept: 936 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.66
Grade Unit
%
Intercept
936 m
True Width
936 m
From
130 m
To
1066 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:130-1066
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

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
2026-04-09T00:00:00.000Z

Reasoning: This intercept represents an exceptional length with strong CuEq grade, significantly contributing to resource definition and de-risking the project. The true width disclosure and transparent reporting are highly positive.

Positive factors

  • Exceptional intercept length and strong CuEq grade for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.66”

Context: 936.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 936

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · copperGrade: 0.75Grade Unit: %Intercept: 94 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.75
Grade Unit
%
Intercept
94 m
True Width
94 m
From
138 m
To
232 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:138-232
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows strong copper grades over a significant width, further enhancing the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Strong copper grade over a significant width for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.75”

Context: 94.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 94

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · goldGrade: 0.09Grade Unit: g/tIntercept: 94 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
gold
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.09
Grade Unit
g/t
Intercept
94 m
True Width
94 m
From
138 m
To
232 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:138-232
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows weak gold grades over a significant width, contributing to the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Significant width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Gold grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.09”

Context: 94.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 94

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · silverGrade: 1.25Grade Unit: g/tIntercept: 94 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
silver
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
1.25
Grade Unit
g/t
Intercept
94 m
True Width
94 m
From
138 m
To
232 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:138-232
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows weak silver grades over a significant width, contributing to the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Significant width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Silver grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“1.25”

Context: 94.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 94

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · molybdenumGrade: 2Grade Unit: ppmIntercept: 94 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
molybdenum
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
2
Grade Unit
ppm
Intercept
94 m
True Width
94 m
From
138 m
To
232 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:138-232
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows very low molybdenum grades over a significant width, contributing to the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Significant width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Molybdenum grade is very low
  • Presence of arsenic

Evidence · table

“2”

Context: 94.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 94

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · arsenicGrade: 118Grade Unit: ppmIntercept: 94 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
arsenic
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
118
Grade Unit
ppm
Intercept
94 m
True Width
94 m
From
138 m
To
232 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:138-232
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval reports arsenic, a deleterious element, which could pose processing challenges. The true width disclosure and transparent reporting are positive.

Positive factors

  • Significant width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic, a deleterious element

Evidence · table

“118”

Context: 94.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 94

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · copperGrade: 0.79Grade Unit: %Intercept: 94 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.79
Grade Unit
%
Intercept
94 m
True Width
94 m
From
138 m
To
232 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:138-232
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

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
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows strong CuEq grades over a significant width, further enhancing the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Strong CuEq grade over a significant width for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.79”

Context: 94.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 94

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · copperGrade: 0.78Grade Unit: %Intercept: 352 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.78
Grade Unit
%
Intercept
352 m
True Width
352 m
From
264 m
To
616 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:264-616
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with strong copper grade, significantly contributing to resource definition. The true width disclosure and transparent reporting are highly positive.

Positive factors

  • Exceptional intercept length and strong copper grade for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.78”

Context: 352.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 352

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · goldGrade: 0.17Grade Unit: g/tIntercept: 352 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
gold
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.17
Grade Unit
g/t
Intercept
352 m
True Width
352 m
From
264 m
To
616 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:264-616
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with weak gold grade, contributing to resource definition. The true width disclosure and transparent reporting are highly positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Gold grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.17”

Context: 352.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 352

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · silverGrade: 0.86Grade Unit: g/tIntercept: 352 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
silver
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.86
Grade Unit
g/t
Intercept
352 m
True Width
352 m
From
264 m
To
616 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:264-616
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with weak silver grade, contributing to resource definition. The true width disclosure and transparent reporting are highly positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Silver grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.86”

Context: 352.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 352

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · molybdenumGrade: 4Grade Unit: ppmIntercept: 352 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
molybdenum
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
4
Grade Unit
ppm
Intercept
352 m
True Width
352 m
From
264 m
To
616 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:264-616
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with very low molybdenum grade, contributing to resource definition. The true width disclosure and transparent reporting are highly positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Molybdenum grade is very low
  • Presence of arsenic

Evidence · table

“4”

Context: 352.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 352

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · arsenicGrade: 146Grade Unit: ppmIntercept: 352 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
arsenic
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
146
Grade Unit
ppm
Intercept
352 m
True Width
352 m
From
264 m
To
616 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:264-616
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval reports arsenic, a deleterious element, which could pose processing challenges. The true width disclosure and transparent reporting are highly positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic, a deleterious element

Evidence · table

“146”

Context: 352.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 352

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · copperGrade: 0.84Grade Unit: %Intercept: 352 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.84
Grade Unit
%
Intercept
352 m
True Width
352 m
From
264 m
To
616 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:264-616
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Metal Eq. Grade
0.84
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with strong CuEq grade, significantly contributing to resource definition. The true width disclosure and transparent reporting are highly positive.

Positive factors

  • Exceptional intercept length and strong CuEq grade for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.84”

Context: 352.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 352

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · copperGrade: 0.92Grade Unit: %Intercept: 194 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.92
Grade Unit
%
Intercept
194 m
True Width
194 m
From
346 m
To
538 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:346-538
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional copper grades over a significant width, representing a bonanza intercept that significantly enhances the overall resource potential. The true width disclosure and transparent reporting are highly positive.

Positive factors

  • Exceptional copper grade over a significant width for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.92”

Context: 194.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 194

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · goldGrade: 0.19Grade Unit: g/tIntercept: 194 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
gold
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.19
Grade Unit
g/t
Intercept
194 m
True Width
194 m
From
346 m
To
538 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:346-538
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows weak gold grades over a significant width, contributing to the overall intercept. The true width disclosure and transparent reporting are highly positive.

Positive factors

  • Significant width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Gold grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.19”

Context: 194.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 194

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · silverGrade: 1.02Grade Unit: g/tIntercept: 194 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
silver
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
1.02
Grade Unit
g/t
Intercept
194 m
True Width
194 m
From
346 m
To
538 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:346-538
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows weak silver grades over a significant width, contributing to the overall intercept. The true width disclosure and transparent reporting are highly positive.

Positive factors

  • Significant width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Silver grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“1.02”

Context: 194.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 194

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · molybdenumGrade: 2Grade Unit: ppmIntercept: 194 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
molybdenum
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
2
Grade Unit
ppm
Intercept
194 m
True Width
194 m
From
346 m
To
538 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:346-538
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows very low molybdenum grades over a significant width, contributing to the overall intercept. The true width disclosure and transparent reporting are highly positive.

Positive factors

  • Significant width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Molybdenum grade is very low
  • Presence of arsenic

Evidence · table

“2”

Context: 194.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 194

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · arsenicGrade: 113Grade Unit: ppmIntercept: 194 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
arsenic
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
113
Grade Unit
ppm
Intercept
194 m
True Width
194 m
From
346 m
To
538 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:346-538
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval reports arsenic, a deleterious element, which could pose processing challenges. The true width disclosure and transparent reporting are highly positive.

Positive factors

  • Significant width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic, a deleterious element

Evidence · table

“113”

Context: 194.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 194

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · copperGrade: 0.99Grade Unit: %Intercept: 194 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.99
Grade Unit
%
Intercept
194 m
True Width
194 m
From
346 m
To
538 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:346-538
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Metal Eq. Grade
0.99
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional CuEq grades over a significant width, representing a bonanza intercept that significantly enhances the overall resource potential. The true width disclosure and transparent reporting are highly positive.

Positive factors

  • Exceptional CuEq grade over a significant width for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.99”

Context: 194.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 194

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · copperGrade: 0.73Grade Unit: %Intercept: 87 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.73
Grade Unit
%
Intercept
87 m
True Width
87 m
From
976 m
To
1063 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:976-1063
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows strong copper grades over a significant width, further enhancing the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Strong copper grade over a significant width for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.73”

Context: 87.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 87

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · goldGrade: 0.02Grade Unit: g/tIntercept: 87 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
gold
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.02
Grade Unit
g/t
Intercept
87 m
True Width
87 m
From
976 m
To
1063 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:976-1063
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows weak gold grades over a significant width, contributing to the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Significant width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Gold grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.02”

Context: 87.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 87

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · silverGrade: 2.94Grade Unit: g/tIntercept: 87 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
silver
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
2.94
Grade Unit
g/t
Intercept
87 m
True Width
87 m
From
976 m
To
1063 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:976-1063
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows weak silver grades over a significant width, contributing to the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Significant width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Silver grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“2.94”

Context: 87.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 87

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · molybdenumGrade: 120Grade Unit: ppmIntercept: 87 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
molybdenum
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
120
Grade Unit
ppm
Intercept
87 m
True Width
87 m
From
976 m
To
1063 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:976-1063
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows low molybdenum grades over a significant width, contributing to the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Significant width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Molybdenum grade is low
  • Presence of arsenic

Evidence · table

“120”

Context: 87.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 87

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · arsenicGrade: 720Grade Unit: ppmIntercept: 87 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
arsenic
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
720
Grade Unit
ppm
Intercept
87 m
True Width
87 m
From
976 m
To
1063 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:976-1063
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval reports high arsenic, a deleterious element, which could pose significant processing challenges. The true width disclosure and transparent reporting are positive.

Positive factors

  • Significant width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • High arsenic content, a deleterious element

Evidence · table

“720”

Context: 87.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 87

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-049EXTAltar · copperGrade: 0.77Grade Unit: %Intercept: 87 mView all details
Link to this fact

Identity

Hole ID
ALD-26-049EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.77
Grade Unit
%
Intercept
87 m
True Width
87 m
From
976 m
To
1063 m
Hole Depth
1066 m
Intercept Depth
130 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-049EXT:976-1063
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Metal Eq. Grade
0.77
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows strong CuEq grades over a significant width, further enhancing the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Strong CuEq grade over a significant width for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.77”

Context: 87.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 87

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · copperGrade: 0.37Grade Unit: %Intercept: 1048.4 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.37
Grade Unit
%
Intercept
1048.4 m
True Width
1048.4 m
From
260 m
To
1308.4 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:260-1308.4
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides an exceptional length of moderate copper grade, contributing significantly to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Copper grade is moderate for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.37”

Context: 1,048.40

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1048.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · goldGrade: 0.06Grade Unit: g/tIntercept: 1048.4 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
gold
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.06
Grade Unit
g/t
Intercept
1048.4 m
True Width
1048.4 m
From
260 m
To
1308.4 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:260-1308.4
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides an exceptional length of weak gold grade, contributing to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Gold grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.06”

Context: 1,048.40

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1048.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · silverGrade: 0.78Grade Unit: g/tIntercept: 1048.4 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
silver
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.78
Grade Unit
g/t
Intercept
1048.4 m
True Width
1048.4 m
From
260 m
To
1308.4 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:260-1308.4
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides an exceptional length of weak silver grade, contributing to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Silver grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.78”

Context: 1,048.40

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1048.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · molybdenumGrade: 31Grade Unit: ppmIntercept: 1048.4 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
molybdenum
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
31
Grade Unit
ppm
Intercept
1048.4 m
True Width
1048.4 m
From
260 m
To
1308.4 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:260-1308.4
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides an exceptional length of low molybdenum grade, contributing to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Molybdenum grade is low
  • Presence of arsenic

Evidence · table

“31”

Context: 1,048.40

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1048.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · arsenicGrade: 237Grade Unit: ppmIntercept: 1048.4 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
arsenic
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
237
Grade Unit
ppm
Intercept
1048.4 m
True Width
1048.4 m
From
260 m
To
1308.4 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:260-1308.4
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept reports arsenic, a deleterious element, which could pose processing challenges. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic, a deleterious element

Evidence · table

“237”

Context: 1,048.40

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1048.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · copperGrade: 0.4Grade Unit: %Intercept: 1048.4 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.4
Grade Unit
%
Intercept
1048.4 m
True Width
1048.4 m
From
260 m
To
1308.4 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:260-1308.4
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Metal Eq. Grade
0.4
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides an exceptional length of moderate CuEq grade, contributing significantly to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • CuEq grade is moderate for a porphyry copper deposit
  • Presence of arsenic

Evidence · table

“0.40”

Context: 1,048.40

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1048.4

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · copperGrade: 0.48Grade Unit: %Intercept: 490 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.48
Grade Unit
%
Intercept
490 m
True Width
490 m
From
260 m
To
750 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:260-750
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with strong copper grade, contributing significantly to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length and strong copper grade for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.48”

Context: 490.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 490

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · goldGrade: 0.09Grade Unit: g/tIntercept: 490 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
gold
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.09
Grade Unit
g/t
Intercept
490 m
True Width
490 m
From
260 m
To
750 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:260-750
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with weak gold grade, contributing to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Gold grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.09”

Context: 490.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 490

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · silverGrade: 0.72Grade Unit: g/tIntercept: 490 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
silver
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.72
Grade Unit
g/t
Intercept
490 m
True Width
490 m
From
260 m
To
750 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:260-750
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with weak silver grade, contributing to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Silver grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.72”

Context: 490.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 490

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · molybdenumGrade: 15Grade Unit: ppmIntercept: 490 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
molybdenum
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
15
Grade Unit
ppm
Intercept
490 m
True Width
490 m
From
260 m
To
750 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:260-750
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with low molybdenum grade, contributing to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Molybdenum grade is low
  • Presence of arsenic

Evidence · table

“15”

Context: 490.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 490

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · arsenicGrade: 311Grade Unit: ppmIntercept: 490 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
arsenic
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
311
Grade Unit
ppm
Intercept
490 m
True Width
490 m
From
260 m
To
750 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:260-750
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval reports elevated arsenic, a deleterious element, which could pose processing challenges. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Elevated arsenic content, a deleterious element

Evidence · table

“311”

Context: 490.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 490

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · copperGrade: 0.52Grade Unit: %Intercept: 490 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.52
Grade Unit
%
Intercept
490 m
True Width
490 m
From
260 m
To
750 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:260-750
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Metal Eq. Grade
0.52
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with strong CuEq grade, contributing significantly to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length and strong CuEq grade for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.52”

Context: 490.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 490

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · copperGrade: 0.65Grade Unit: %Intercept: 216 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.65
Grade Unit
%
Intercept
216 m
True Width
216 m
From
262 m
To
478 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:262-478
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with strong copper grade, contributing significantly to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length and strong copper grade for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.65”

Context: 216.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 216

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · goldGrade: 0.12Grade Unit: g/tIntercept: 216 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
gold
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.12
Grade Unit
g/t
Intercept
216 m
True Width
216 m
From
262 m
To
478 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:262-478
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with weak gold grade, contributing to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Gold grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.12”

Context: 216.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 216

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · silverGrade: 0.92Grade Unit: g/tIntercept: 216 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
silver
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.92
Grade Unit
g/t
Intercept
216 m
True Width
216 m
From
262 m
To
478 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:262-478
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with weak silver grade, contributing to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Silver grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.92”

Context: 216.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 216

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · molybdenumGrade: 10Grade Unit: ppmIntercept: 216 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
molybdenum
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
10
Grade Unit
ppm
Intercept
216 m
True Width
216 m
From
262 m
To
478 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:262-478
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with very low molybdenum grade, contributing to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Molybdenum grade is very low
  • Presence of arsenic

Evidence · table

“10”

Context: 216.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 216

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · arsenicGrade: 438Grade Unit: ppmIntercept: 216 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
arsenic
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
438
Grade Unit
ppm
Intercept
216 m
True Width
216 m
From
262 m
To
478 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:262-478
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval reports elevated arsenic, a deleterious element, which could pose processing challenges. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Elevated arsenic content, a deleterious element

Evidence · table

“438”

Context: 216.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 216

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · copperGrade: 0.7Grade Unit: %Intercept: 216 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.7
Grade Unit
%
Intercept
216 m
True Width
216 m
From
262 m
To
478 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:262-478
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Metal Eq. Grade
0.7
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with strong CuEq grade, contributing significantly to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length and strong CuEq grade for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.70”

Context: 216.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 216

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · copperGrade: 0.8Grade Unit: %Intercept: 90 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.8
Grade Unit
%
Intercept
90 m
True Width
90 m
From
262 m
To
352 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:262-352
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional copper grades over a significant width, further enhancing the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional copper grade over a significant width for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.80”

Context: 90.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 90

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · goldGrade: 0.1Grade Unit: g/tIntercept: 90 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
gold
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.1
Grade Unit
g/t
Intercept
90 m
True Width
90 m
From
262 m
To
352 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:262-352
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows weak gold grades over a significant width, contributing to the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Significant width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Gold grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.10”

Context: 90.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 90

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · silverGrade: 0.7Grade Unit: g/tIntercept: 90 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
silver
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.7
Grade Unit
g/t
Intercept
90 m
True Width
90 m
From
262 m
To
352 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:262-352
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows weak silver grades over a significant width, contributing to the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Significant width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Silver grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.70”

Context: 90.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 90

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · molybdenumGrade: 15Grade Unit: ppmIntercept: 90 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
molybdenum
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
15
Grade Unit
ppm
Intercept
90 m
True Width
90 m
From
262 m
To
352 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:262-352
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows low molybdenum grades over a significant width, contributing to the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Significant width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Molybdenum grade is low
  • Presence of arsenic

Evidence · table

“15”

Context: 90.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 90

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · arsenicGrade: 156Grade Unit: ppmIntercept: 90 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
arsenic
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
156
Grade Unit
ppm
Intercept
90 m
True Width
90 m
From
262 m
To
352 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:262-352
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval reports arsenic, a deleterious element, which could pose processing challenges. The true width disclosure and transparent reporting are positive.

Positive factors

  • Significant width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic, a deleterious element

Evidence · table

“156”

Context: 90.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 90

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-159EXTAltar · copperGrade: 0.85Grade Unit: %Intercept: 90 mView all details
Link to this fact

Identity

Hole ID
ALD-26-159EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.85
Grade Unit
%
Intercept
90 m
True Width
90 m
From
262 m
To
352 m
Hole Depth
1308.4 m
Intercept Depth
260 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-159EXT:262-352
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Metal Eq. Grade
0.85
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional CuEq grades over a significant width, further enhancing the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional CuEq grade over a significant width for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.85”

Context: 90.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 90

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-171EXTAltar · copperGrade: 0.26Grade Unit: %Intercept: 1353 mView all details
Link to this fact

Identity

Hole ID
ALD-26-171EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.26
Grade Unit
%
Intercept
1353 m
True Width
1353 m
From
70 m
To
1423 m
Hole Depth
1423 m
Intercept Depth
70 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-171EXT:70-1423
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides an exceptional length of moderate copper grade, contributing significantly to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Copper grade is moderate for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.26”

Context: 1,353.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1353

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-171EXTAltar · goldGrade: 0.05Grade Unit: g/tIntercept: 1353 mView all details
Link to this fact

Identity

Hole ID
ALD-26-171EXT
Project
Altar
Commodity
gold
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.05
Grade Unit
g/t
Intercept
1353 m
True Width
1353 m
From
70 m
To
1423 m
Hole Depth
1423 m
Intercept Depth
70 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-171EXT:70-1423
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides an exceptional length of weak gold grade, contributing to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Gold grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.05”

Context: 1,353.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1353

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-171EXTAltar · silverGrade: 0.92Grade Unit: g/tIntercept: 1353 mView all details
Link to this fact

Identity

Hole ID
ALD-26-171EXT
Project
Altar
Commodity
silver
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.92
Grade Unit
g/t
Intercept
1353 m
True Width
1353 m
From
70 m
To
1423 m
Hole Depth
1423 m
Intercept Depth
70 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-171EXT:70-1423
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides an exceptional length of weak silver grade, contributing to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Silver grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.92”

Context: 1,353.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1353

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-171EXTAltar · molybdenumGrade: 40Grade Unit: ppmIntercept: 1353 mView all details
Link to this fact

Identity

Hole ID
ALD-26-171EXT
Project
Altar
Commodity
molybdenum
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
40
Grade Unit
ppm
Intercept
1353 m
True Width
1353 m
From
70 m
To
1423 m
Hole Depth
1423 m
Intercept Depth
70 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-171EXT:70-1423
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides an exceptional length of low molybdenum grade, contributing to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Molybdenum grade is low
  • Presence of arsenic

Evidence · table

“40”

Context: 1,353.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1353

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-171EXTAltar · arsenicGrade: 177Grade Unit: ppmIntercept: 1353 mView all details
Link to this fact

Identity

Hole ID
ALD-26-171EXT
Project
Altar
Commodity
arsenic
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
177
Grade Unit
ppm
Intercept
1353 m
True Width
1353 m
From
70 m
To
1423 m
Hole Depth
1423 m
Intercept Depth
70 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-171EXT:70-1423
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept reports arsenic, a deleterious element, which could pose processing challenges. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic, a deleterious element

Evidence · table

“177”

Context: 1,353.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1353

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-171EXTAltar · copperGrade: 0.29Grade Unit: %Intercept: 1353 mView all details
Link to this fact

Identity

Hole ID
ALD-26-171EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.29
Grade Unit
%
Intercept
1353 m
True Width
1353 m
From
70 m
To
1423 m
Hole Depth
1423 m
Intercept Depth
70 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-171EXT:70-1423
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

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
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides an exceptional length of moderate CuEq grade, contributing significantly to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • CuEq grade is moderate for a porphyry copper deposit
  • Presence of arsenic

Evidence · table

“0.29”

Context: 1,353.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1353

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-171EXTAltar · copperGrade: 0.5Grade Unit: %Intercept: 36 mView all details
Link to this fact

Identity

Hole ID
ALD-26-171EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.5
Grade Unit
%
Intercept
36 m
True Width
36 m
From
252 m
To
288 m
Hole Depth
1423 m
Intercept Depth
70 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-171EXT:252-288
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows strong copper grades over a good width, contributing to the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Strong copper grade over a good width for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.50”

Context: 36.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 36

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-171EXTAltar · goldGrade: 0.21Grade Unit: g/tIntercept: 36 mView all details
Link to this fact

Identity

Hole ID
ALD-26-171EXT
Project
Altar
Commodity
gold
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.21
Grade Unit
g/t
Intercept
36 m
True Width
36 m
From
252 m
To
288 m
Hole Depth
1423 m
Intercept Depth
70 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-171EXT:252-288
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows weak gold grades over a good width, contributing to the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Gold grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.21”

Context: 36.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 36

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-171EXTAltar · silverGrade: 0.97Grade Unit: g/tIntercept: 36 mView all details
Link to this fact

Identity

Hole ID
ALD-26-171EXT
Project
Altar
Commodity
silver
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.97
Grade Unit
g/t
Intercept
36 m
True Width
36 m
From
252 m
To
288 m
Hole Depth
1423 m
Intercept Depth
70 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-171EXT:252-288
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows weak silver grades over a good width, contributing to the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Silver grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.97”

Context: 36.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 36

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-171EXTAltar · molybdenumGrade: 9Grade Unit: ppmIntercept: 36 mView all details
Link to this fact

Identity

Hole ID
ALD-26-171EXT
Project
Altar
Commodity
molybdenum
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
9
Grade Unit
ppm
Intercept
36 m
True Width
36 m
From
252 m
To
288 m
Hole Depth
1423 m
Intercept Depth
70 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-171EXT:252-288
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows very low molybdenum grades over a good width, contributing to the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Molybdenum grade is very low
  • Presence of arsenic

Evidence · table

“9”

Context: 36.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 36

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-171EXTAltar · arsenicGrade: 288Grade Unit: ppmIntercept: 36 mView all details
Link to this fact

Identity

Hole ID
ALD-26-171EXT
Project
Altar
Commodity
arsenic
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
288
Grade Unit
ppm
Intercept
36 m
True Width
36 m
From
252 m
To
288 m
Hole Depth
1423 m
Intercept Depth
70 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-171EXT:252-288
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval reports elevated arsenic, a deleterious element, which could pose processing challenges. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Elevated arsenic content, a deleterious element

Evidence · table

“288”

Context: 36.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 36

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-171EXTAltar · copperGrade: 0.58Grade Unit: %Intercept: 36 mView all details
Link to this fact

Identity

Hole ID
ALD-26-171EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.58
Grade Unit
%
Intercept
36 m
True Width
36 m
From
252 m
To
288 m
Hole Depth
1423 m
Intercept Depth
70 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-171EXT:252-288
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Metal Eq. Grade
0.58
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows strong CuEq grades over a good width, contributing to the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Strong CuEq grade over a good width for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.58”

Context: 36.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 36

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-175EXTAltar · copperGrade: 0.26Grade Unit: %Intercept: 1196 mView all details
Link to this fact

Identity

Hole ID
ALD-26-175EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.26
Grade Unit
%
Intercept
1196 m
True Width
1196 m
From
74 m
To
1270 m
Hole Depth
1270 m
Intercept Depth
74 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-175EXT:74-1270
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides an exceptional length of moderate copper grade, contributing significantly to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Copper grade is moderate for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.26”

Context: 1,196.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1196

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-175EXTAltar · goldGrade: 0.04Grade Unit: g/tIntercept: 1196 mView all details
Link to this fact

Identity

Hole ID
ALD-26-175EXT
Project
Altar
Commodity
gold
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.04
Grade Unit
g/t
Intercept
1196 m
True Width
1196 m
From
74 m
To
1270 m
Hole Depth
1270 m
Intercept Depth
74 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-175EXT:74-1270
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides an exceptional length of weak gold grade, contributing to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Gold grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.04”

Context: 1,196.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1196

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-175EXTAltar · silverGrade: 0.6Grade Unit: g/tIntercept: 1196 mView all details
Link to this fact

Identity

Hole ID
ALD-26-175EXT
Project
Altar
Commodity
silver
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.6
Grade Unit
g/t
Intercept
1196 m
True Width
1196 m
From
74 m
To
1270 m
Hole Depth
1270 m
Intercept Depth
74 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-175EXT:74-1270
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides an exceptional length of weak silver grade, contributing to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Silver grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.60”

Context: 1,196.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1196

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-175EXTAltar · molybdenumGrade: 56Grade Unit: ppmIntercept: 1196 mView all details
Link to this fact

Identity

Hole ID
ALD-26-175EXT
Project
Altar
Commodity
molybdenum
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
56
Grade Unit
ppm
Intercept
1196 m
True Width
1196 m
From
74 m
To
1270 m
Hole Depth
1270 m
Intercept Depth
74 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-175EXT:74-1270
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides an exceptional length of low molybdenum grade, contributing to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Molybdenum grade is low
  • Presence of arsenic

Evidence · table

“56”

Context: 1,196.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1196

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-175EXTAltar · arsenicGrade: 152Grade Unit: ppmIntercept: 1196 mView all details
Link to this fact

Identity

Hole ID
ALD-26-175EXT
Project
Altar
Commodity
arsenic
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
152
Grade Unit
ppm
Intercept
1196 m
True Width
1196 m
From
74 m
To
1270 m
Hole Depth
1270 m
Intercept Depth
74 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-175EXT:74-1270
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This intercept reports arsenic, a deleterious element, which could pose processing challenges. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic, a deleterious element

Evidence · table

“152”

Context: 1,196.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1196

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-175EXTAltar · copperGrade: 0.29Grade Unit: %Intercept: 1196 mView all details
Link to this fact

Identity

Hole ID
ALD-26-175EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.29
Grade Unit
%
Intercept
1196 m
True Width
1196 m
From
74 m
To
1270 m
Hole Depth
1270 m
Intercept Depth
74 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-175EXT:74-1270
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

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
2026-04-09T00:00:00.000Z

Reasoning: This intercept provides an exceptional length of moderate CuEq grade, contributing significantly to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • CuEq grade is moderate for a porphyry copper deposit
  • Presence of arsenic

Evidence · table

“0.29”

Context: 1,196.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1196

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-175EXTAltar · copperGrade: 0.36Grade Unit: %Intercept: 449 mView all details
Link to this fact

Identity

Hole ID
ALD-26-175EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.36
Grade Unit
%
Intercept
449 m
True Width
449 m
From
493 m
To
942 m
Hole Depth
1270 m
Intercept Depth
74 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-175EXT:493-942
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with moderate copper grade, contributing significantly to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Copper grade is moderate for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.36”

Context: 449.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 449

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-175EXTAltar · goldGrade: 0.06Grade Unit: g/tIntercept: 449 mView all details
Link to this fact

Identity

Hole ID
ALD-26-175EXT
Project
Altar
Commodity
gold
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.06
Grade Unit
g/t
Intercept
449 m
True Width
449 m
From
493 m
To
942 m
Hole Depth
1270 m
Intercept Depth
74 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-175EXT:493-942
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with weak gold grade, contributing to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Gold grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.06”

Context: 449.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 449

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-175EXTAltar · silverGrade: 0.7Grade Unit: g/tIntercept: 449 mView all details
Link to this fact

Identity

Hole ID
ALD-26-175EXT
Project
Altar
Commodity
silver
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.7
Grade Unit
g/t
Intercept
449 m
True Width
449 m
From
493 m
To
942 m
Hole Depth
1270 m
Intercept Depth
74 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-175EXT:493-942
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with weak silver grade, contributing to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Silver grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.70”

Context: 449.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 449

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-175EXTAltar · molybdenumGrade: 53Grade Unit: ppmIntercept: 449 mView all details
Link to this fact

Identity

Hole ID
ALD-26-175EXT
Project
Altar
Commodity
molybdenum
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
53
Grade Unit
ppm
Intercept
449 m
True Width
449 m
From
493 m
To
942 m
Hole Depth
1270 m
Intercept Depth
74 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-175EXT:493-942
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with low molybdenum grade, contributing to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Molybdenum grade is low
  • Presence of arsenic

Evidence · table

“53”

Context: 449.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 449

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-175EXTAltar · arsenicGrade: 150Grade Unit: ppmIntercept: 449 mView all details
Link to this fact

Identity

Hole ID
ALD-26-175EXT
Project
Altar
Commodity
arsenic
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
150
Grade Unit
ppm
Intercept
449 m
True Width
449 m
From
493 m
To
942 m
Hole Depth
1270 m
Intercept Depth
74 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-175EXT:493-942
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval reports arsenic, a deleterious element, which could pose processing challenges. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic, a deleterious element

Evidence · table

“150”

Context: 449.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 449

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-175EXTAltar · copperGrade: 0.4Grade Unit: %Intercept: 449 mView all details
Link to this fact

Identity

Hole ID
ALD-26-175EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.4
Grade Unit
%
Intercept
449 m
True Width
449 m
From
493 m
To
942 m
Hole Depth
1270 m
Intercept Depth
74 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-175EXT:493-942
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Metal Eq. Grade
0.4
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows exceptional length with moderate CuEq grade, contributing significantly to resource definition. The true width disclosure and transparent reporting are positive.

Positive factors

  • Exceptional intercept length for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • CuEq grade is moderate for a porphyry copper deposit
  • Presence of arsenic

Evidence · table

“0.40”

Context: 449.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 449

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-175EXTAltar · copperGrade: 0.49Grade Unit: %Intercept: 32.5 mView all details
Link to this fact

Identity

Hole ID
ALD-26-175EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.49
Grade Unit
%
Intercept
32.5 m
True Width
32.5 m
From
533 m
To
565.5 m
Hole Depth
1270 m
Intercept Depth
74 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-175EXT:533-565.5
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows strong copper grades over a good width, contributing to the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Strong copper grade over a good width for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.49”

Context: 32.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 32.5

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-175EXTAltar · goldGrade: 0.09Grade Unit: g/tIntercept: 32.5 mView all details
Link to this fact

Identity

Hole ID
ALD-26-175EXT
Project
Altar
Commodity
gold
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.09
Grade Unit
g/t
Intercept
32.5 m
True Width
32.5 m
From
533 m
To
565.5 m
Hole Depth
1270 m
Intercept Depth
74 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-175EXT:533-565.5
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows weak gold grades over a good width, contributing to the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Gold grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“0.09”

Context: 32.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 32.5

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-175EXTAltar · silverGrade: 1.25Grade Unit: g/tIntercept: 32.5 mView all details
Link to this fact

Identity

Hole ID
ALD-26-175EXT
Project
Altar
Commodity
silver
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
1.25
Grade Unit
g/t
Intercept
32.5 m
True Width
32.5 m
From
533 m
To
565.5 m
Hole Depth
1270 m
Intercept Depth
74 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-175EXT:533-565.5
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows weak silver grades over a good width, contributing to the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Silver grade is weak for a porphyry deposit
  • Presence of arsenic

Evidence · table

“1.25”

Context: 32.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 32.5

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-175EXTAltar · molybdenumGrade: 59Grade Unit: ppmIntercept: 32.5 mView all details
Link to this fact

Identity

Hole ID
ALD-26-175EXT
Project
Altar
Commodity
molybdenum
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
59
Grade Unit
ppm
Intercept
32.5 m
True Width
32.5 m
From
533 m
To
565.5 m
Hole Depth
1270 m
Intercept Depth
74 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-175EXT:533-565.5
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows low molybdenum grades over a good width, contributing to the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Molybdenum grade is low
  • Presence of arsenic

Evidence · table

“59”

Context: 32.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 32.5

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-175EXTAltar · arsenicGrade: 109Grade Unit: ppmIntercept: 32.5 mView all details
Link to this fact

Identity

Hole ID
ALD-26-175EXT
Project
Altar
Commodity
arsenic
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
109
Grade Unit
ppm
Intercept
32.5 m
True Width
32.5 m
From
533 m
To
565.5 m
Hole Depth
1270 m
Intercept Depth
74 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-175EXT:533-565.5
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval reports arsenic, a deleterious element, which could pose processing challenges. The true width disclosure and transparent reporting are positive.

Positive factors

  • Good width for infill drilling
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic, a deleterious element

Evidence · table

“109”

Context: 32.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 32.5

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

ALD-26-175EXTAltar · copperGrade: 0.54Grade Unit: %Intercept: 32.5 mView all details
Link to this fact

Identity

Hole ID
ALD-26-175EXT
Project
Altar
Commodity
copper
Region
argentina
Reported Region
argentina
Ticker
ALDE

Geometry

Grade
0.54
Grade Unit
%
Intercept
32.5 m
True Width
32.5 m
From
533 m
To
565.5 m
Hole Depth
1270 m
Intercept Depth
74 m

Classification

Deposit Type
porphyry
Program
resource
Sample Type
drill
Group ID
ALD-26-175EXT:533-565.5
Mining Method
open_pit

QA/QC

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

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Metal Equivalent

Metal Eq. Grade
0.54
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-04-09T00:00:00.000Z

Reasoning: This sub-interval shows strong CuEq grades over a good width, contributing to the overall intercept. The true width disclosure and transparent reporting are positive.

Positive factors

  • Strong CuEq grade over a good width for a porphyry deposit
  • True width disclosed
  • Transparent QA/QC and metal equivalent assumptions

Negative factors

  • Presence of arsenic

Evidence · table

“0.54”

Context: 32.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 32.5

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: deleterious_flag is true

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Aldebaran Reports 936 m of 0.66% CuEq (0.62% Cu, 0.09 g/t Au and 1.16 g/t Ag), including 194 m of 0.99% CuEq (0.92% Cu, "

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.