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

Western Australian mining lease

M 36/9 · Leinster

M 36/9 is a Western Australian mining lease held by BHP NICKEL WEST PTY LTD (BHP group). Granted 24 July 1984, expires 1 August 2026. 424 ha in the East Murchison Mineral Field. Commodities: Nickel, Copper. Part of the Leinster project (operating).

Type: Mining lease
Status: Granted
Holder: BHP NICKEL WEST PTY LTD
Parent group: BHP (matched by name)
MINEDEX projects: Leinster J00440 · Operating
Owners: BHP Group Limited 100%; BHP Nickel West Pty Ltd

Mt Keith / BHP Billiton J00756 · Operating
Owners: BHP Group Limited 100%
Lodged: 30 November 1983
Granted: 24 July 1984
Expires: 1 August 2026
Area: 423.60 hectares (4.2 km²)
Mineral field: East Murchison Mineral Field
Commodities: Nickel, Copper
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: NICKEL WEST - MT KEITH: approved 16 December 2024, NICKEL WEST - MT KEITH MINE CLOSURE PLAN Version 1.1- DECEMBER 2021 - J00756 - S0006443
Environmental registrations: 10 mining proposal and closure plan registrations (MINEDEX)
EPA Ministerial Statements: MS 1087, MS 415
WAMEX data: 501 open-file drill holes, 65 exploration reports on this ground
Location: -27.30355, 120.549 (centre)

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Mining proposals and mine closure plans

Date	Registration	Title	Status	Document (GeoDocs)
16 December 2024	Mine Closure Plan	NICKEL WEST - MT KEITH MINE CLOSURE PLAN Version 1.1- DECEMBER 2021 - J00756 - S0006443	Approved	MCP_102169.pdf
9 July 2024	Mining Proposal	BHP NiW Cliffs Mine Site - Waste Rock Landform & Access Redesign; Revised Disturbance Envelope; Walk Trail	Approved	mp_119087.pdf
23 October 2023	Mine Closure Plan	CLIFFS UNDERGROUND MINE CLOSURE MINE - LEINSTER PROJECT - J00440 - FINAL APPROVED	Approved	MCP_102167.pdf
10 July 2019	Mining Proposal	Cliffs Waste Rock Landform Extension Proposal Mining Proposal Addendum M53/489 and M36/9	Approved	mp_80404.pdf
3 May 2019	Mining Proposal	Cliffs to Mt Keith Haul Road Proposal	Approved	mp_78428.pdf
27 November 2013	Mining Proposal	Nickel West Leinster 2013 Cliffs Mining Proposal Addendum	Approved	mp_43584.pdf
24 September 2010	Mining Proposal	MP Addendum - BHP Nickel West Leinster - Waste Dump Modification	Approved	mp_28058.pdf
7 November 2007	Mining Proposal	MT KEITH - AMENDMENT TO CLIFFS UNDERGROUND M36/9 M53/486 676	Approved	mp_19135.pdf mp_19135.zip
7 September 2006	Mining Proposal	CLIFFS PROJECT: WATER REUSE PIPELINE M36/9 M53/489 218 217	Approved	mp_5460.pdf
5 May 2005	Mining Proposal	MT KEITH - CLIFFS / CLIFFS UNDERGROUND NICKEL MINE	Approved	mp_4892.zip mp_4892.pdf

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