Data as at 18 October 2026 · from Western Australian Government registers and open data
Western Australian mining lease
M 53/40 · Matilda
M 53/40 is a Western Australian mining lease held by WILUNA OPERATIONS PTY LTD (Wiluna Mining Corporation group). Granted 19 October 1987, expires 1 November 2029. 459 ha in the East Murchison Mineral Field. Commodities: Gold, Silver. Part of the Matilda project (operating).
- Type
- Mining lease
- Status
- Granted
- Parent group
- Wiluna Mining Corporation (a subsidiary)
- MINEDEX project
- Matilda J02624 · OperatingOwners: Wiluna Mining Corporation Limited 100%; Kimba Resources Pty Ltd; Wiluna Operations Pty Ltd; Bml Ventures Pty Ltd; a private holder
- Lodged
- 3 May 1986
- Granted
- 19 October 1987
- Expires
- 1 November 2029
- Area
- 459.00 hectares (4.6 km²)
- Mineral field
- East Murchison Mineral Field
- 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
- Mine closure plan
- Galaxy Mi ID 60778 Notification of minor: approved 13 June 2017, Galaxy Mi ID 60778 Notification of minor amendment
- Environmental registrations
- 13 mining proposal and closure plan registrations (MINEDEX)
- EPA referred proposals
- Magellan Lead Carbonate Project, Wiluna Approved (Ministerial Statement), MS 905; overlaps 0.4 ha
- WAMEX data
- 107 open-file drill holes, 52 exploration reports on this ground
- Location
- -26.6065, 120.2234 (centre)
Mining proposals and mine closure plans
| Date | Registration | Title | Status | Document (GeoDocs) |
|---|---|---|---|---|
| 13 August 2026 | Mining Proposal | Wiluna Mine Site - East Pit Expansion Mining Proposal v5.5 | Approved | no public document |
| 17 April 2024 | Mining Proposal | MINING PROPOSAL - WILUNA TAILINGS RECLAMATION - TSF C / TSF H UNDERGROUND MINING EXPANSION PROJECT - J02624 | Approved | MP_122144.pdf |
| 24 December 2021 | Mining Proposal | Wiluna Mine Site Pit Backfill, Mine Operation Pad Extension and Powerline Corridor Clearing | Approved | MP_100770.pdf |
| 12 October 2018 | Mining Proposal | Matilda Operations Pty Ltd Wiluna Free Milling Mining Proposal Version: 1.0 | Approved | mp_74304.pdf |
| 12 April 2017 | Mine Closure Plan | MINE CLOSURE PLAN - Matilda Gold Project for Wiluna - Matilda - Galaxy - Williamson mine sites - Blackman Resources Limited - J02624 / J00362 | Approved | mcp_59276.pdf |
| 1 December 2009 | Mining Proposal | WILUNA GOLD MINE IN-PIT TAILINGS DISPOSAL | Approved | mp_23806.pdf |
| 22 May 2005 | Mining Proposal | WILUNA GOLD/ADDENDUM - HAPPY JACK PIPELINE RE-ALIGNMENT | Approved | mp_4941.pdf |
| 21 January 2004 | Mining Proposal | WILUNA GOLD / CAUSEWAY CONSTRUCTION TRIAL EXTENSION | Approved | mp_4491.pdf |
| 2 April 1998 | Mining Proposal | WILUNA : VILLAGE | Approved | mp_2754.pdf |
| 28 June 1994 | Mining Proposal | WILUNA:HAPPY JACK AND BULLETIN PORTALS | Approved | mp_1659.pdf |
| 4 June 1993 | Mining Proposal | WILUNA:SULPHIDE PITS; EAST LODE AND HAPPY JACK | Approved | mp_14696.pdf |
| 10 April 1991 | Mining Proposal | WILUNA : ADELAIDE:SEMAPHORE AND ESSEX PITS | Approved | mp_13463.pdf |
| 9 November 1990 | Mining Proposal | WILUNA : BULLETIN; MOONLIGHT AND SQUIB SITES | Approved | mp_22.pdf |
Registrations from MINEDEX (DMPE); the documents are the operators' own, linked on GeoDocs and not copied.
MCF Mining Approvals Index