Aldebaran Resources Inc.
TSXV:ALDEAldebaran Resources owns an 80% interest in the Altar copper-gold project in mining-friendly San Juan province, Argentina, having earned into the project
Projects
Active mining projects and exploration sites
Altar Copper Gold Project
The Altar copper-gold project hosts a cluster of porphyry deposits in San Juan, Argentina, which Aldebaran is expanding through exploration and development to deliver to the rising copper market. The 2024 pit-constrained resource for the main Altar deposit, which consists of the Altar Central, Altar United, and Altar East porphyry centres, has 22.01 billion lbs copper, 5.08 million oz gold and 93.76 million oz silver in the Measured and Indicated categories, plus 9.83 billion lbs copper, 1.71 mi
Altar Project
Gold exploration and development project
Rio Grande Project
Gold exploration and development project
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About Aldebaran Resources Inc.
Aldebaran Resources Inc. (TSXV: ALDE) is a copper-focused mineral exploration company with ground in Argentina.
The company holds 3 projects on file, of which 2 carry a reported mineral resource.
3 financings are on record, totalling approximately C$125.0M, most recently in February 2026.
20 press releases are tracked here, 7 of them financing-related, with the most recent dated Sep 9, 2026.
Aldebaran Resources owns an 80% interest in the Altar copper-gold project in mining-friendly San Juan province, Argentina, having earned into the project
Key facts
| Listing | TSXV: ALDE |
|---|---|
| Market capitalisation | $408.5M |
| Shares outstanding | 185.4M |
| Projects on file | 3 |
| Commodities | Copper |
| Jurisdictions | Argentina |
| Financings on record | 3 |
| Insider trades (30 days) | 0 buys, 0 sells on the open market · last filing 2026-02-17 |
Projects
| Project | Commodity | Location | Stage |
|---|---|---|---|
| Altar Copper Gold Project | Copper | Argentina | Early exploration |
| Altar Project | Copper | Argentina | Resource definition |
| Rio Grande Project | Copper | Argentina | Resource definition |
Mineral resource estimates
8 reported estimates across 2 projects. Categories are as disclosed by the company; inferred material carries the lowest confidence and cannot support a reserve.
| Project | Category | Tonnes | Au g/t | Au oz | Ag g/t | Ag oz | Cu % | Effective |
|---|---|---|---|---|---|---|---|---|
| Altar Project | MeasuredNI 43-101 | 796.6 Mt | 0.11 g/t | 2.71 Moz | 1.08 g/t | 27.62 Moz | 0.42 % | Dec 31, 2024 |
| Altar Project | MeasuredNI 43-101 | 622.1 Mt | 0.10 g/t | 1.99 Moz | 1.04 g/t | 20.82 Moz | 0.44 % | Mar 22, 2021 |
| Altar Project | IndicatedNI 43-101 | 1620.7 Mt | 0.06 g/t | 2.86 Moz | 1.31 g/t | 68.46 Moz | 0.41 % | Dec 31, 2024 |
| Altar Project | IndicatedNI 43-101 | 576.1 Mt | 0.08 g/t | 1.43 Moz | 0.96 g/t | 17.78 Moz | 0.42 % | Mar 22, 2021 |
| Altar Project | InferredNI 43-101 | 1216.9 Mt | 0.04 g/t | 1.73 Moz | 1.26 g/t | 49.24 Moz | 0.37 % | Dec 31, 2024 |
| Altar Project | InferredNI 43-101 | 189.2 Mt | 0.06 g/t | 390 koz | 0.80 g/t | 4.84 Moz | 0.42 % | Mar 22, 2021 |
| Rio Grande Project | IndicatedNI 43-101 | 71.0 Mt | 0.36 g/t | 815 koz | 3.20 g/t | 7.30 Moz | 0.30 % | Aug 17, 2018 |
| Rio Grande Project | InferredNI 43-101 | 41.0 Mt | 0.28 g/t | 375 koz | 2.80 g/t | 3.60 Moz | 0.23 % | Aug 17, 2018 |
How the categories differ: Inferred vs Indicated vs Measured. Track how these numbers have moved between reports with the Resource Growth Tracker.
Financing history
| Announced | Type | Amount | Warrants |
|---|---|---|---|
| Feb 18, 2026 | Private placement | C$50.0M | — |
| Feb 5, 2026 | Bought deal | C$40.0M | — |
| Jan 27, 2026 | Bought deal | C$35.0M | — |
Warrants attached to past raises are future dilution at a fixed price. The Warrant Overhang Radar tracks the resulting overhang, and the Dilution Tracker shows how the share count has grown.
Recent news releases
- Sep 9, 2026Aldebaran Reports 513 m of 1.06% CuEq (1.01% Cu, 0.08 g/t Au & 3.58 g/t Ag), Within 1,257.30 m of 0.66% CuEq (0.62% Cu, 0.05 g/t Au & 1.94 g/t Ag) at the Altar Copper-Gold Project in San Juan, Argentina
- Aug 27, 2026Aldebaran Resources and Centauri Minerals Announce Completion of Spin-Out Transactions
- Aug 25, 2026Aldebaran Resources and Centauri Minerals Announce Final Approval of Centauri’s Listing on the TSX Venture Exchange
- Aug 11, 2026Aldebaran Resources and Centauri Minerals Announce Shareholder Approval and Receipt of Final Order for Spin-Out of Centauri Minerals
- Jul 23, 2026Aldebaran Resources and Centauri Minerals Announce Closing of $25 million Subscription Receipt Financing in Connection with Centauri Spin-Out
- Jul 6, 2026Aldebaran Resources and Centauri Minerals Announce C$17 MM Brokered and Concurrent C$8 MM Non-Brokered Private Placements by Centauri
- Jun 24, 2026Spin-Out from Aldebaran: Centauri Minerals Announces Approval of Drilling Permit for the Rio Grande Gold-Copper Project and Team Additions
- Jun 1, 2026Aldebaran Announces Execution of Arrangement Agreement for Spin-Out of Centauri Minerals Inc.
- May 21, 2026Aldebaran Reports 1,339.30 m of 0.45% CuEq (0.38% Cu, 0.14 g/t Au & 2.54 g/t Ag) including 500 m of 0.71% CuEq (0.58% Cu, 0.35 g/t Au & 1.42 g/t Ag)at the Altar Copper-Gold Project in San Juan, Argentina
- Apr 16, 2026Aldebaran and Centauri File Mineral Resource Update on the Rio Grande Gold-Copper Project on SEDAR+