# Aldebaran PEA for the Altar Project Reports 48 Year Mine Life, After Tax NPV \(8%\) of US$2 Billion, and 20.5% IRR

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28

Original source: https://money.tmx.com/en/quote/ALDE/news/7800921323788034/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of

Publisher: tmx

Original announcement: 2025-10-30T11:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Aldebaran Resources Inc.

- Ticker: ALDE

- Exchange: TSX

- Region: San Juan, Argentina

- Primary commodity: Copper

- Secondary commodities: Gold, Silver, Molybdenum, Arsenic

- Document categories: Production, Resource update, Metallurgy

- Extracted: 2026-08-21 04:58:59 UTC

Narrative sentiment: 0.80 · Bullish

## Minestarters Atlas summary

The Preliminary Economic Assessment for Aldebaran's Altar copper-gold project outlines a robust 48-year mine life, featuring a US$2 billion after-tax NPV \(8%\) and a 20.5% IRR. The study projects significant average annual production of 121,445 tonnes copper equivalent over the first 20 years, supported by a combined open pit and underground operation with a high percentage of Measured and Indicated resources. The PEA also highlights competitive C1 cash costs and AISC, while acknowledging the presence of arsenic in concentrates and the preliminary nature of the Nuton Technology processing alternative.

Reasoning: The PEA for the Altar project demonstrates robust economics with a 48-year mine life, a US$2 billion after-tax NPV \(8%\), and a 20.5% IRR, supported by a high proportion of Measured and Indicated resources in the mine plan and competitive operating costs. However, the presence of arsenic and the preliminary nature of the Nuton Technology alternative are noted.

- Positive factor: long\_mine\_life

- Positive factor: robust\_economics

- Positive factor: high\_m\_and\_i\_in\_mine\_plan

- Positive factor: competitive\_cost\_profile

- Positive factor: attractive\_capital\_intensity

- Negative factor: deleterious\_elements\_present

- Negative factor: inferred\_resource\_in\_mine\_plan

- Negative factor: nuton\_case\_assumptions\_incomplete

Facts used in scoring: 150

## Classification and evidence

**PEA-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: The document presents the results of a Preliminary Economic Assessment.

Evidence · text

> Aldebaran is pleased to announce the results of a Preliminary Economic Assessment \(“PEA”\)

**Long Mine Life**

Polarity: positive

Story-specific tag

Definition: No canonical definition is currently available.

Why it applies: The PEA reports a 48-year mine life.

Evidence · table

> 48

Context: Years

**High NPV**

Polarity: positive

Story-specific tag

Definition: No canonical definition is currently available.

Why it applies: The project has an after-tax NPV \(8%\) of US$2 billion.

Evidence · table

> 2,009

Context: M USD

**High IRR**

Polarity: positive

Story-specific tag

Definition: No canonical definition is currently available.

Why it applies: The project has an IRR of 20.5%.

Evidence · table

> 20.5%

Context: %

**Competitive Operating Costs**

Polarity: positive

Story-specific tag

Definition: No canonical definition is currently available.

Why it applies: C1 Cash Costs of $1.71/lb payable Cu for the first 20 years and AISC of $2.25/lb payable Cu for the first 20 years are competitive.

Evidence · text

> Cash Costs \(C1\) of $1.71/lb payable Cu for the first 20 years 1 , $1.87/lb payable Cu for the first 30 years 1 , and $2.02/lb payable Cu for the LOM All in Sustaining Costs \(“AISC”\) of $2.25/lb payable Cu for the first 20 years 1 , $2.42/lb payable Cu for the first 30 years 1 , and $2.59/lb payable Cu for the LOM

**High M&I Percentage**

Polarity: positive

Story-specific tag

Definition: No canonical definition is currently available.

Why it applies: ~80% of the resources in the mine plan are categorized as Measured and Indicated.

Evidence · text

> ~80% of the resources \(by tonnage\) in the mine plan are categorized as Measured and Indicated

**Deleterious Elements Present**

Polarity: negative

Story-specific tag

Definition: Penalty elements \(arsenic, antimony, etc.\) or refractory concerns noted in the release.

Why it applies: Arsenic in the concentrate is expected to range from 0.5% to 2.2%, potentially incurring penalties.

Evidence · text

> Arsenic in the concentrate is expected to range from 0.5% to 2.2%.

**Inferred Resource in Mine Plan**

Polarity: negative

Story-specific tag

Definition: No canonical definition is currently available.

Why it applies: ~20% of the resources in the mine plan are categorized as Inferred.

Evidence · text

> with the remaining ~20% categorized as Inferred

**NI 43-101 Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard.

Why it applies: The PEA was prepared in accordance with National Instrument 43-101 standards.

Evidence · text

> prepared in accordance with National Instrument 43-101 standards

**QP/CP Signed**

Polarity: positive

Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience.

Why it applies: Dr. Kevin B. Heather, Chief Geological Officer and director of Aldebaran, serves as the qualified person \(QP\).

Evidence · text

> Dr. Kevin B. Heather, B.Sc. \(Hons\), M.Sc, Ph.D, FAusIMM, FGS, Chief Geological Officer and director of Aldebaran, who serves as the qualified person \(QP\)

**Resource Update**

Polarity: neutral

Definition: Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: The PEA is based on an updated mineral resource estimate announced on November 25, 2024.

Evidence · text

> On November 25, 2024, the Company announced an updated mineral resource estimate \(“MRE”\) for the Altar project

**Conventional Flotation**

Polarity: neutral

Story-specific tag

Definition: No canonical definition is currently available.

Why it applies: Processing via a conventional copper flotation circuit is envisioned.

Evidence · text

> processing via a conventional copper flotation circuit

**Novel Processing Potential**

Polarity: neutral

Story-specific tag

Definition: No canonical definition is currently available.

Why it applies: Nuton Technology, a suite of proprietary sulphide leaching technologies, is being evaluated as a potential alternative processing option.

Evidence · text

> Utilizing Nuton ® Technology, life-of-mine capital expenditure and operating costs were reduced, leading to higher life-of-mine free cash flow.

**No Precious Metal Recovery \(Nuton\)**

Polarity: negative

Story-specific tag

Definition: No canonical definition is currently available.

Why it applies: Precious metals such as gold and silver cannot be recovered with Nuton® Technology.

Evidence · text

> Additionally, at this time, precious metals such as gold and silver cannot be recovered with Nuton ® Technology

## Extracted facts

Stored fact records: 64. Some facts used in scoring do not have a stored record.

## Resource Estimates (64)

### measured

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-86)

copper

#### Identity

- Commodity: copper
- Ticker: ALDE

#### Resource Data

- Category: measured
- Tonnes: 121884
- Grade: 1475
- Grade Unit: m lbs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 1,475

Context: 121,884

### measured

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-87)

gold

#### Identity

- Commodity: gold
- Ticker: ALDE

#### Resource Data

- Category: measured
- Tonnes: 121884
- Grade: 0.3
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 0.3

Context: 121,884

### measured

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-88)

silver

#### Identity

- Commodity: silver
- Ticker: ALDE

#### Resource Data

- Category: measured
- Tonnes: 121884
- Grade: 4.2
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 4.2

Context: 121,884

### measured

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-89)

mo

#### Identity

- Commodity: mo
- Ticker: ALDE

#### Resource Data

- Category: measured
- Tonnes: 121884
- Grade: 21
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 21

Context: 121,884

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-90)

copper

#### Identity

- Commodity: copper
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 80007
- Grade: 639
- Grade Unit: m lbs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 639

Context: 80,007

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-91)

gold

#### Identity

- Commodity: gold
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 80007
- Grade: 0.2
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 0.2

Context: 80,007

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-92)

silver

#### Identity

- Commodity: silver
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 80007
- Grade: 2.4
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 2.4

Context: 80,007

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-93)

mo

#### Identity

- Commodity: mo
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 80007
- Grade: 19
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 19

Context: 80,007

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-94)

copper

#### Identity

- Commodity: copper
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 201891
- Grade: 2114
- Grade Unit: m lbs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 2,114

Context: 201,891

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-95)

gold

#### Identity

- Commodity: gold
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 201891
- Grade: 0.5
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 0.5

Context: 201,891

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-96)

silver

#### Identity

- Commodity: silver
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 201891
- Grade: 6.6
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 6.6

Context: 201,891

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-97)

mo

#### Identity

- Commodity: mo
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 201891
- Grade: 20
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 20

Context: 201,891

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-98)

copper

#### Identity

- Commodity: copper
- Ticker: ALDE

#### Resource Data

- Category: inferred
- Tonnes: 24850
- Grade: 251
- Grade Unit: m lbs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. \(Expanded from multi-commodity resource table for completeness.\)

- Negative factor: inferred\_resource

Evidence · table

> 251

Context: 24,850

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-99)

gold

#### Identity

- Commodity: gold
- Ticker: ALDE

#### Resource Data

- Category: inferred
- Tonnes: 24850
- Grade: 0.1
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. \(Expanded from multi-commodity resource table for completeness.\)

- Negative factor: inferred\_resource

Evidence · table

> 0.1

Context: 24,850

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-100)

silver

#### Identity

- Commodity: silver
- Ticker: ALDE

#### Resource Data

- Category: inferred
- Tonnes: 24850
- Grade: 0.8
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. \(Expanded from multi-commodity resource table for completeness.\)

- Negative factor: inferred\_resource

Evidence · table

> 0.8

Context: 24,850

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-101)

mo

#### Identity

- Commodity: mo
- Ticker: ALDE

#### Resource Data

- Category: inferred
- Tonnes: 24850
- Grade: 19
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. \(Expanded from multi-commodity resource table for completeness.\)

- Negative factor: inferred\_resource

Evidence · table

> 19

Context: 24,850

### measured

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-102)

copper

#### Identity

- Commodity: copper
- Ticker: ALDE

#### Resource Data

- Category: measured
- Tonnes: 109510
- Grade: 913
- Grade Unit: m lbs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 913

Context: 109,510

### measured

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-103)

gold

#### Identity

- Commodity: gold
- Ticker: ALDE

#### Resource Data

- Category: measured
- Tonnes: 109510
- Grade: 0.2
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 0.2

Context: 109,510

### measured

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-104)

silver

#### Identity

- Commodity: silver
- Ticker: ALDE

#### Resource Data

- Category: measured
- Tonnes: 109510
- Grade: 4.3
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 4.3

Context: 109,510

### measured

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-105)

mo

#### Identity

- Commodity: mo
- Ticker: ALDE

#### Resource Data

- Category: measured
- Tonnes: 109510
- Grade: 23
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 23

Context: 109,510

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-106)

copper

#### Identity

- Commodity: copper
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 19208
- Grade: 136
- Grade Unit: m lbs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 136

Context: 19,208

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-107)

gold

#### Identity

- Commodity: gold
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 19208
- Grade: 0
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 0.0

Context: 19,208

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-108)

silver

#### Identity

- Commodity: silver
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 19208
- Grade: 0.7
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 0.7

Context: 19,208

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-109)

mo

#### Identity

- Commodity: mo
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 19208
- Grade: 23
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 23

Context: 19,208

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-110)

copper

#### Identity

- Commodity: copper
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 128718
- Grade: 1049
- Grade Unit: m lbs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 1,049

Context: 128,718

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-111)

gold

#### Identity

- Commodity: gold
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 128718
- Grade: 0.3
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 0.3

Context: 128,718

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-112)

silver

#### Identity

- Commodity: silver
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 128718
- Grade: 5
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 5.0

Context: 128,718

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-113)

mo

#### Identity

- Commodity: mo
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 128718
- Grade: 23
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 23

Context: 128,718

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-114)

copper

#### Identity

- Commodity: copper
- Ticker: ALDE

#### Resource Data

- Category: inferred
- Tonnes: 1386
- Grade: 9
- Grade Unit: m lbs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. \(Expanded from multi-commodity resource table for completeness.\)

- Negative factor: inferred\_resource

Evidence · table

> 9

Context: 1,386

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-115)

gold

#### Identity

- Commodity: gold
- Ticker: ALDE

#### Resource Data

- Category: inferred
- Tonnes: 1386
- Grade: 0
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. \(Expanded from multi-commodity resource table for completeness.\)

- Negative factor: inferred\_resource

Evidence · table

> 0.0

Context: 1,386

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-116)

silver

#### Identity

- Commodity: silver
- Ticker: ALDE

#### Resource Data

- Category: inferred
- Tonnes: 1386
- Grade: 0
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. \(Expanded from multi-commodity resource table for completeness.\)

- Negative factor: inferred\_resource

Evidence · table

> 0.0

Context: 1,386

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-117)

mo

#### Identity

- Commodity: mo
- Ticker: ALDE

#### Resource Data

- Category: inferred
- Tonnes: 1386
- Grade: 13
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. \(Expanded from multi-commodity resource table for completeness.\)

- Negative factor: inferred\_resource

Evidence · table

> 13

Context: 1,386

### measured

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-118)

copper

#### Identity

- Commodity: copper
- Ticker: ALDE

#### Resource Data

- Category: measured
- Tonnes: 549385
- Grade: 4966
- Grade Unit: m lbs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 4,966

Context: 549,385

### measured

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-119)

gold

#### Identity

- Commodity: gold
- Ticker: ALDE

#### Resource Data

- Category: measured
- Tonnes: 549385
- Grade: 1.7
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 1.7

Context: 549,385

### measured

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-120)

silver

#### Identity

- Commodity: silver
- Ticker: ALDE

#### Resource Data

- Category: measured
- Tonnes: 549385
- Grade: 17.3
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 17.3

Context: 549,385

### measured

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-121)

mo

#### Identity

- Commodity: mo
- Ticker: ALDE

#### Resource Data

- Category: measured
- Tonnes: 549385
- Grade: 20
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 20

Context: 549,385

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-122)

copper

#### Identity

- Commodity: copper
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 1517339
- Grade: 13882
- Grade Unit: m lbs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 13,882

Context: 1,517,339

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-123)

gold

#### Identity

- Commodity: gold
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 1517339
- Grade: 2.6
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 2.6

Context: 1,517,339

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-124)

silver

#### Identity

- Commodity: silver
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 1517339
- Grade: 64.9
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 64.9

Context: 1,517,339

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-125)

mo

#### Identity

- Commodity: mo
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 1517339
- Grade: 54
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 54

Context: 1,517,339

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-126)

copper

#### Identity

- Commodity: copper
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 2066724
- Grade: 18848
- Grade Unit: m lbs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 18,848

Context: 2,066,724

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-127)

gold

#### Identity

- Commodity: gold
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 2066724
- Grade: 4.3
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 4.3

Context: 2,066,724

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-128)

silver

#### Identity

- Commodity: silver
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 2066724
- Grade: 82.2
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 82.2

Context: 2,066,724

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-129)

mo

#### Identity

- Commodity: mo
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 2066724
- Grade: 45
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 45

Context: 2,066,724

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-130)

copper

#### Identity

- Commodity: copper
- Ticker: ALDE

#### Resource Data

- Category: inferred
- Tonnes: 1189513
- Grade: 9572
- Grade Unit: m lbs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. \(Expanded from multi-commodity resource table for completeness.\)

- Negative factor: inferred\_resource

Evidence · table

> 9,572

Context: 1,189,513

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-131)

gold

#### Identity

- Commodity: gold
- Ticker: ALDE

#### Resource Data

- Category: inferred
- Tonnes: 1189513
- Grade: 1.6
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. \(Expanded from multi-commodity resource table for completeness.\)

- Negative factor: inferred\_resource

Evidence · table

> 1.6

Context: 1,189,513

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-132)

silver

#### Identity

- Commodity: silver
- Ticker: ALDE

#### Resource Data

- Category: inferred
- Tonnes: 1189513
- Grade: 48.2
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. \(Expanded from multi-commodity resource table for completeness.\)

- Negative factor: inferred\_resource

Evidence · table

> 48.2

Context: 1,189,513

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-133)

mo

#### Identity

- Commodity: mo
- Ticker: ALDE

#### Resource Data

- Category: inferred
- Tonnes: 1189513
- Grade: 46
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. \(Expanded from multi-commodity resource table for completeness.\)

- Negative factor: inferred\_resource

Evidence · table

> 46

Context: 1,189,513

### measured

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-134)

copper

#### Identity

- Commodity: copper
- Ticker: ALDE

#### Resource Data

- Category: measured
- Tonnes: 780779
- Grade: 7354
- Grade Unit: m lbs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 7,354

Context: 780,779

### measured

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-135)

gold

#### Identity

- Commodity: gold
- Ticker: ALDE

#### Resource Data

- Category: measured
- Tonnes: 780779
- Grade: 2.3
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 2.3

Context: 780,779

### measured

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-136)

silver

#### Identity

- Commodity: silver
- Ticker: ALDE

#### Resource Data

- Category: measured
- Tonnes: 780779
- Grade: 25.8
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 25.8

Context: 780,779

### measured

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-137)

mo

#### Identity

- Commodity: mo
- Ticker: ALDE

#### Resource Data

- Category: measured
- Tonnes: 780779
- Grade: 21
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Measured resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 21

Context: 780,779

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-138)

copper

#### Identity

- Commodity: copper
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 1616554
- Grade: 14657
- Grade Unit: m lbs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 14,657

Context: 1,616,554

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-139)

gold

#### Identity

- Commodity: gold
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 1616554
- Grade: 2.8
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 2.8

Context: 1,616,554

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-140)

silver

#### Identity

- Commodity: silver
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 1616554
- Grade: 68
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 68.0

Context: 1,616,554

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-141)

mo

#### Identity

- Commodity: mo
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 1616554
- Grade: 52
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 52

Context: 1,616,554

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-142)

copper

#### Identity

- Commodity: copper
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 2397333
- Grade: 22011
- Grade Unit: m lbs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 22,011

Context: 2,397,333

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-143)

gold

#### Identity

- Commodity: gold
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 2397333
- Grade: 5.1
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 5.1

Context: 2,397,333

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-144)

silver

#### Identity

- Commodity: silver
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 2397333
- Grade: 93.8
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 93.8

Context: 2,397,333

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-145)

mo

#### Identity

- Commodity: mo
- Ticker: ALDE

#### Resource Data

- Category: indicated
- Tonnes: 2397333
- Grade: 42
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Indicated resources in the Supergene zone provide high confidence copper tonnage and grade. \(Expanded from multi-commodity resource table for completeness.\)

- Positive factor: high\_confidence\_category

Evidence · table

> 42

Context: 2,397,333

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-146)

copper

#### Identity

- Commodity: copper
- Ticker: ALDE

#### Resource Data

- Category: inferred
- Tonnes: 1215749
- Grade: 9832
- Grade Unit: m lbs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. \(Expanded from multi-commodity resource table for completeness.\)

- Negative factor: inferred\_resource

Evidence · table

> 9,832

Context: 1,215,749

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-147)

gold

#### Identity

- Commodity: gold
- Ticker: ALDE

#### Resource Data

- Category: inferred
- Tonnes: 1215749
- Grade: 1.7
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. \(Expanded from multi-commodity resource table for completeness.\)

- Negative factor: inferred\_resource

Evidence · table

> 1.7

Context: 1,215,749

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-148)

silver

#### Identity

- Commodity: silver
- Ticker: ALDE

#### Resource Data

- Category: inferred
- Tonnes: 1215749
- Grade: 49
- Grade Unit: m ozs

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. \(Expanded from multi-commodity resource table for completeness.\)

- Negative factor: inferred\_resource

Evidence · table

> 49.0

Context: 1,215,749

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/aldebaran-pea-for-the-altar-project-reports-48-year-mine-life-after-tax-npv-8-of--63302e9d-c403-4a58-85fb-6b799a3d6b28#fact-resource-facts-149)

mo

#### Identity

- Commodity: mo
- Ticker: ALDE

#### Resource Data

- Category: inferred
- Tonnes: 1215749
- Grade: 45
- Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-10-30T00:00:00.000Z

Reasoning: Inferred resources in the Supergene zone represent lower confidence copper tonnage and grade, requiring further drilling. \(Expanded from multi-commodity resource table for completeness.\)

- Negative factor: inferred\_resource

Evidence · table

> 45

Context: 1,215,749

## 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.