MCF Mining Approvals IndexData as at 18 October 2026 · from Western Australian Government registers and open data
Western Australian mining project · Care and Maintenance
Silver Swan - Black Swan
Silver Swan - Black Swan is a Western Australian mining project (in care and maintenance) in MINEDEX, owned by Maritana Minerals Limited 100%; Poseidon Nickel Pty Limited, on 12 current tenements held by POSEIDON NICKEL PTY LIMITED. Commodities: Nickel, Cobalt, Gold.
- MINEDEX project
- J00452
- Stage
- Care and Maintenance
- Owners (MINEDEX)
- Maritana Minerals Limited 100%; Poseidon Nickel Pty Limited
- Tenement holders
- POSEIDON NICKEL PTY LIMITED
- Parent groups
- Maritana Minerals
- Commodities
- Nickel, Cobalt, Gold
- 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 | 29 Mt at 0.81%, 235 kt contained | 3.53 Mt at 0.80%, 28 kt contained | 29 April 2025 |
| Arsenic | 27 Mt at 0.02%, 5,285 t contained | — | 29 April 2025 |
| Cobalt | 27 Mt at 0.02%, 5,005 t contained | — | 29 April 2025 |
| Copper | 27 Mt at 0.03%, 8,160 t contained | — | 7 June 2023 |
| Iron | 26 Mt at 5.3%, 1.4 Mt contained | — | 7 June 2023 |
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 | 2001 | 22 kt | 57 kt |
| Cobalt | 2001 | 290 t | 465 t |
Historical: the bulk extract's production records end in 2002.
Mine closure plans
| Site | Operator | Latest plan approved | Plan (PDF on GeoDocs) | Closure year |
|---|---|---|---|---|
| Mine Closure Plan Poseidon Nickel Limited Black Swan Operations | Poseidon Nickel LIMITED |
Tenements
| Tenement | Holder | Status | Expires | Commodities | Hectares |
|---|---|---|---|---|---|
| M 27/39 Mining lease | POSEIDON NICKEL PTY LIMITED | Granted | 29 October 2028 | Nickel, Cobalt | 11 |
| M 27/200 Mining lease | POSEIDON NICKEL PTY LIMITED | Granted | 24 January 2037 | Nickel, Cobalt, Gold | 930 |
| M 27/214 Mining lease | POSEIDON NICKEL PTY LIMITED | Granted | 7 July 2039 | Nickel, Cobalt | 928 |
| M 27/216 Mining lease | POSEIDON NICKEL PTY LIMITED | Granted | 7 July 2039 | Nickel, Cobalt | 992 |
| L 24/219 Miscellaneous licence | POSEIDON NICKEL PTY LIMITED | Granted | 25 August 2037 | Nickel, Cobalt | 13 |
| L 24/222 Miscellaneous licence | POSEIDON NICKEL PTY LIMITED | Granted | 25 August 2037 | Nickel, Cobalt | 28 |
| L 27/57 Miscellaneous licence | POSEIDON NICKEL PTY LIMITED | Granted | 19 February 2027 | Nickel, Cobalt | 100 |
| L 27/58 Miscellaneous licence | POSEIDON NICKEL PTY LIMITED | Granted | 19 February 2027 | Nickel, Cobalt | 1 |
| L 27/59 Miscellaneous licence | POSEIDON NICKEL PTY LIMITED | Granted | 21 May 2027 | Nickel, Cobalt | 10 |
| L 27/74 Miscellaneous licence | POSEIDON NICKEL PTY LIMITED | Granted | 26 June 2047 | Nickel, Cobalt | 307 |
| L 27/75 Miscellaneous licence | POSEIDON NICKEL PTY LIMITED | Granted | 19 October 2047 | Nickel, Cobalt | 449 |
| L 27/77 Miscellaneous licence | POSEIDON NICKEL PTY LIMITED | Granted | 19 November 2028 | Nickel, Cobalt | 768 |