MCF Mining Approvals IndexData as at 18 October 2026 · from Western Australian Government registers and open data
Western Australian mining project · Care and Maintenance
Windarra / Poseidon
Windarra / Poseidon is a Western Australian mining project (in care and maintenance) in MINEDEX, owned by Maritana Minerals Limited 100%; Poseidon Nickel Pty Limited, on 13 current tenements held by POSEIDON NICKEL PTY LIMITED; REGIS RESOURCES LIMITED. Commodities: Nickel, Copper, Gold, Silver.
- MINEDEX project
- J00612
- Stage
- Care and Maintenance
- Owners (MINEDEX)
- Maritana Minerals Limited 100%; Poseidon Nickel Pty Limited
- Tenement holders
- POSEIDON NICKEL PTY LIMITED
REGIS RESOURCES LIMITED - Parent groups
- Maritana Minerals
Regis Resources - Commodities
- Nickel, Copper, Gold, Silver
- Rehabilitation liability
- Its rehabilitation liability is in the MCF Mining Index (subscribers): the Mining Rehabilitation Fund estimate, its trend since 2014, company provisions and closure-plan costs
Resources and reserves
| Commodity | Resources | Reserves | Latest estimate |
|---|---|---|---|
| Nickel | 9.63 Mt at 1.5%, 147 kt contained | — | 16 July 2014 |
Current MINEDEX estimates over all the project's sites; resources may include reserves. MINEDEX (DMPE), CC BY 4.0.
Production recorded in MINEDEX
| Commodity | Latest year | That year | All recorded |
|---|---|---|---|
| Nickel | 1991 | 2,058 t | 102 kt |
Historical: the bulk extract's production records end in 2002.
Tenements
| Tenement | Holder | Status | Expires | Commodities | Hectares |
|---|---|---|---|---|---|
| M 38/1244 Mining lease | POSEIDON NICKEL PTY LIMITED | Granted | 13 November 2029 | Nickel, Copper, Gold | 185 |
| M 38/1245 Mining lease | POSEIDON NICKEL PTY LIMITED | Granted | 13 November 2029 | Nickel, Copper, Gold | 112 |
| M 39/1075 Mining lease | POSEIDON NICKEL PTY LIMITED | Granted | 28 October 2033 | Nickel, Copper | 356 |
| M 261SA Mining lease (State Agreement) | POSEIDON NICKEL PTY LIMITED | Granted | 10 December 2027 | Nickel, Gold, Copper | 6,022 |
| G 38/21 General purpose lease | POSEIDON NICKEL PTY LIMITED | Granted | 27 December 2036 | Nickel, Gold, Copper | 4 |
| L 38/118 Miscellaneous licence | POSEIDON NICKEL PTY LIMITED | Granted | 11 June 2029 | Nickel, Copper | 435 |
| L 38/119 Miscellaneous licence | POSEIDON NICKEL PTY LIMITED | Granted | 8 April 2029 | Nickel, Copper | 389 |
| L 38/121 Miscellaneous licence | POSEIDON NICKEL PTY LIMITED | Granted | 20 July 2029 | Nickel, Copper | 2,314 |
| L 38/122 Miscellaneous licence | POSEIDON NICKEL PTY LIMITED | Granted | 20 July 2029 | Nickel, Copper | 3,707 |
| L 38/170 Miscellaneous licence | REGIS RESOURCES LIMITED | Granted | 3 February 2031 | Gold, Silver, Nickel, Copper | 57 |
| L 38/199 Miscellaneous licence | POSEIDON NICKEL PTY LIMITED | Granted | 13 October 2032 | Nickel, Gold, Copper | 282 |
| L 38/220 Miscellaneous licence | POSEIDON NICKEL PTY LIMITED | Granted | 6 December 2033 | Nickel, Gold, Copper | 16 |
| L 39/184 Miscellaneous licence | POSEIDON NICKEL PTY LIMITED | Granted | 20 January 2029 | Nickel, Copper, Gold | 19 |