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

Western Australian mining lease

M 39/423 · Murrin Murrin / Minara

M 39/423 is a Western Australian mining lease held by MURRIN MURRIN OPERATIONS PTY LTD (Glencore group). Granted 25 July 1996, expires 25 July 2038. 996 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: 19 January 1996
Granted: 25 July 1996
Expires: 25 July 2038
Area: 995.80 hectares (10.0 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: 46 mining proposal and closure plan registrations (MINEDEX)
EPA referred proposals: Murrin Murrin Nickel-Cobalt Project Stage 2 Expansion Approved (Ministerial Statement), MS 506; overlaps 945 ha
Eastern Goldfields Pipeline Project Not assessed; overlaps 3.5 ha
WAMEX data: 3,233 open-file drill holes, 62 exploration reports on this ground
Location: -28.79685, 121.8933 (centre)

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Mining proposals and mine closure plans

Date	Registration	Title	Status	Document (GeoDocs)
23 September 2026	Mining Proposal	MMN Mining Proposal Amendment - Evaporation Pond 5	Approved	no public document
15 January 2025	Mining Proposal	Murrin Murrin North Mining Proposal Version 2.0	Approved	MP_127019.pdf
27 February 2024	Mining Proposal	Murrin Murrin Nickel Cobalt Project 2023 Mining Proposal	Approved	MP_121603.pdf
5 July 2023	Mining Proposal	Murrin Murrin Nickel Cobalt Project - 2022 Mid Year Mining Proposal	Approved	MP_115613.pdf
15 June 2022	Mining Proposal	Murrin Murrin Nickel Cobalt Project - 2022 - Mining Proposal - Version 2	Approved	MP_103261.pdf
23 September 2021	Mining Proposal	Murrin Murrin 2021-2023 Mine Development Mining Proposal	Approved	no public document
7 June 2018	Mining Proposal	Murrin Murrin 2018 Interim Mining Proposal	Approved	mp_73640.pdf
5 January 2017	Mining Proposal	2017-2019 Mine Development Mining Proposal	Approved	mp_63649.pdf
30 April 2014	Mining Proposal	2/2-2/4, 8/4 & 9/2 Inpit TSF Mining Proposal	Approved	mp_46170.pdf
20 September 2013	Mining Proposal	Murrin Murrin Nickel Cobalt Project 2013 - 2015 Open Pit Mining Proposal	Approved	mp_40386.pdf
3 September 2013	Mining Proposal	MM19Sth In-pit Tailings Storage Facility Mining Proposal	Approved	mp_38423.pdf
26 August 2011	Mining Proposal	Open Pit Mining Proposal April 2011 - December 2013	Approved	mp_30509.pdf
26 June 2009	Mining Proposal	HEAP LEACH FACILITY - ON/OFF PADS AND IN-PIT RESIDUE DISPOSAL	Approved	no public document
17 December 2007	Mining Proposal	MURRIN MURRIN NICKEL COBALT: L37/102 L39/78 M39/299 M39/423	Approved	mp_19159.zip mp_19159.pdf
12 October 2007	Mining Proposal	MURRIN MURRIN-NICKEL COBALT OP MURRIN MURRIN EAST M39/301	Approved	mp_19144.zip mp_19144.pdf

31 earlier registrations are in MINEDEX.

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