MCF Mining Approvals IndexData as at 18 October 2026 · from Western Australian Government registers and open data
Western Australian mining project · Operating
Murchison / Westgold
Murchison / Westgold is a Western Australian mining project (operating) in MINEDEX, owned by Westgold Resources Limited 100%, on 13 current tenements held by BIG BELL GOLD OPERATIONS PTY LTD; VALIANT GOLD LIMITED. Commodities: Gold, Silver.
- MINEDEX project
- J00347
- Stage
- Operating
- Owners (MINEDEX)
- Westgold Resources Limited 100%
- Tenement holders
- BIG BELL GOLD OPERATIONS PTY LTD
VALIANT GOLD LIMITED - Parent groups
- Valiant Gold
Westgold Resources - Commodities
- 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 |
|---|---|---|---|
| Gold | 8.79 Mt at 1.92 g/t, 542 koz contained | 4.44 Mt at 0.93 g/t, 133 koz contained | 30 June 2026 |
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 |
|---|---|---|---|
| Gravel | 1995 | 1,886 t | 1,886 t |
| Gold | 1997 | 6,591 oz | 449 koz |
Historical: the bulk extract's production records end in 2002.
Mine closure plans
| Site | Operator | Latest plan approved | Plan (PDF on GeoDocs) | Closure year |
|---|---|---|---|---|
| TUCKABIANNA PROJECT | WESTGOLD RESOURCES Limited | 15 October 2019 | MINE CLOSURE PLAN - TUCKABIANNA PROJECT - J00347 | |
| MURCHISON OPERATIONS - TUCKABIANNA PROJECTS - MINERAL FIELD 20 | Silver Lake Resources Limited | 12 July 2017 | MURCHISON OPERATIONS - MINE CLOSURE PLAN - TUCKABIANNA PROJECTS - MINERAL FIELD 20 - FEBRU | |
| Comet Project - A | WESTGOLD RESOURCES Limited | 30 October 2019 | Comet Project - Mine Closure Plan - August 2019 - Version A Revision 1 - J00017 | |
| COMET PROJECT - METALS X GROUP | METALS X Limited | 19 December 2016 | MINE CLOSURE PLAN COMET PROJECT - METALS X GROUP - |
Tenements
| Tenement | Holder | Status | Expires | Commodities | Hectares |
|---|---|---|---|---|---|
| M 20/55 Mining lease | BIG BELL GOLD OPERATIONS PTY LTD | Granted | 18 May 2029 | Gold | 343 |
| M 20/108 Mining lease | BIG BELL GOLD OPERATIONS PTY LTD | Granted | 5 May 2030 | Gold, Silver | 930 |
| M 20/111 Mining lease | BIG BELL GOLD OPERATIONS PTY LTD | Granted | 5 May 2030 | Gold | 239 |
| M 20/176 Mining lease | BIG BELL GOLD OPERATIONS PTY LTD | Granted | 9 April 2031 | Gold | 322 |
| M 20/183 Mining lease | BIG BELL GOLD OPERATIONS PTY LTD | Granted | 4 September 2031 | Gold | 8 |
| M 20/195 Mining lease | BIG BELL GOLD OPERATIONS PTY LTD | Granted | 15 May 2032 | Gold, Silver | 782 |
| M 20/208 Mining lease | BIG BELL GOLD OPERATIONS PTY LTD | Granted | 3 December 2032 | Gold | 817 |
| M 20/247 Mining lease | BIG BELL GOLD OPERATIONS PTY LTD | Granted | 25 October 2034 | Gold | 10 |
| M 21/8 Mining lease | VALIANT GOLD LIMITED | Granted | 15 May 2028 | Gold, Silver | 48 |
| M 21/72 Mining lease | VALIANT GOLD LIMITED | Granted | 1 September 2033 | Gold, Silver | 743 |
| L 21/16 Miscellaneous licence | BIG BELL GOLD OPERATIONS PTY LTD | Granted | 22 January 2033 | Gold | 20 |
| L 21/17 Miscellaneous licence | VALIANT GOLD LIMITED | Granted | 22 January 2033 | Gold, Silver | 65 |
| L 21/20 Miscellaneous licence | VALIANT GOLD LIMITED | Granted | 22 May 2038 | Gold, Silver | 5 |