Mining Capital FundsMCF Mining Approvals Index

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
Holder
WILUNA OPERATIONS PTY LTD
Parent group
Wiluna Mining Corporation (a subsidiary)
MINEDEX project
Matilda J02624 · Operating
Owners: 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)
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Mining proposals and mine closure plans

DateRegistrationTitleStatusDocument (GeoDocs)
13 August 2026Mining ProposalWiluna Mine Site - East Pit Expansion Mining Proposal v5.5Approvedno public document
17 April 2024Mining ProposalMINING PROPOSAL - WILUNA TAILINGS RECLAMATION - TSF C / TSF H UNDERGROUND MINING EXPANSION PROJECT - J02624ApprovedMP_122144.pdf
24 December 2021Mining ProposalWiluna Mine Site Pit Backfill, Mine Operation Pad Extension and Powerline Corridor ClearingApprovedMP_100770.pdf
12 October 2018Mining ProposalMatilda Operations Pty Ltd Wiluna Free Milling Mining Proposal Version: 1.0Approvedmp_74304.pdf
12 April 2017Mine Closure PlanMINE CLOSURE PLAN - Matilda Gold Project for Wiluna - Matilda - Galaxy - Williamson mine sites - Blackman Resources Limited - J02624 / J00362Approvedmcp_59276.pdf
1 December 2009Mining ProposalWILUNA GOLD MINE IN-PIT TAILINGS DISPOSALApprovedmp_23806.pdf
22 May 2005Mining ProposalWILUNA GOLD/ADDENDUM - HAPPY JACK PIPELINE RE-ALIGNMENTApprovedmp_4941.pdf
21 January 2004Mining ProposalWILUNA GOLD / CAUSEWAY CONSTRUCTION TRIAL EXTENSIONApprovedmp_4491.pdf
2 April 1998Mining ProposalWILUNA : VILLAGEApprovedmp_2754.pdf
28 June 1994Mining ProposalWILUNA:HAPPY JACK AND BULLETIN PORTALSApprovedmp_1659.pdf
4 June 1993Mining ProposalWILUNA:SULPHIDE PITS; EAST LODE AND HAPPY JACKApprovedmp_14696.pdf
10 April 1991Mining ProposalWILUNA : ADELAIDE:SEMAPHORE AND ESSEX PITSApprovedmp_13463.pdf
9 November 1990Mining ProposalWILUNA : BULLETIN; MOONLIGHT AND SQUIB SITESApprovedmp_22.pdf

Registrations from MINEDEX (DMPE); the documents are the operators' own, linked on GeoDocs and not copied.