Data as at 18 October 2026 · from Western Australian Government registers and open data

Western Australian mining lease

M 39/425 · Murrin Murrin / Minara

M 39/425 is a Western Australian mining lease held by MURRIN MURRIN OPERATIONS PTY LTD (Glencore group). Granted 7 September 1999, expires 6 September 2041. 121 ha in the Mount Margaret Mineral Field. Commodities: Nickel, Cobalt. Part of the Murrin Murrin / Minara project (operating).

Type: Mining lease
Status: Granted
Holder: MURRIN MURRIN OPERATIONS PTY LTD
Parent group: Glencore (a subsidiary)
MINEDEX project: Murrin Murrin / Minara J00480 · Operating
Owners: Glencore Plc 100%; Minara Resources Ltd; Murrin Murrin Operations Pty Ltd (MMO)
Lodged: 20 January 1996
Granted: 7 September 1999
Expires: 6 September 2041
Area: 120.60 hectares (1.2 km²)
Mineral field: Mount Margaret Mineral Field
Commodities: Nickel, Cobalt
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
Environmental registrations: 1 mining proposal and closure plan registration (MINEDEX)
EPA referred proposals: Murrin Murrin Nickel-Cobalt Project Stage 2 Expansion Approved (Ministerial Statement), MS 506; overlaps 74 ha
WAMEX data: 10 open-file drill holes, 36 exploration reports on this ground
Location: -28.9724, 121.79575 (centre)

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Mining proposals and mine closure plans

Date	Registration	Title	Status	Document (GeoDocs)
27 February 2026	Mining Proposal	Murrin Murrin South Mining Proposal	Approved	no public document

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