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

Western Australian mining lease

M 70/26 · Boddington Gold

M 70/26 is a Western Australian mining lease held by JAPAN ALUMINA ASSOCIATES (AUSTRALIA) PTY LTD; SOJITZ ALUMINA PTY LTD; SOUTH32 ALUMINIUM (RAA) PTY LTD; SOUTH32 ALUMINIUM (WORSLEY) PTY LTD (South32 group). Granted 28 November 2014, expires 27 November 2035. 525 ha in the South West Mineral Field. Commodities: Gold, Copper, Bauxite, Silver, Arsenic, Bismuth. Part of the Boddington Gold project (operating).

Type: Mining lease
Status: Granted
Holders: JAPAN ALUMINA ASSOCIATES (AUSTRALIA) PTY LTD
SOJITZ ALUMINA PTY LTD
SOUTH32 ALUMINIUM (RAA) PTY LTD
SOUTH32 ALUMINIUM (WORSLEY) PTY LTD
Parent group: South32 (a joint venture)
MINEDEX projects: Boddington Gold J00026 · Operating
Owners: Newmont Corporation 100%; Newmont Australia Pty Ltd; Saddleback Investments Pty Ltd

Worsley J00776 · Operating
Owners: South32 Limited 86%; Japan Alumina Associates (Australia) Pty Ltd 10%; Sojitz Alumina Pty Ltd 4%; Alcoa of Australia Ltd; South32 Aluminium (RAA) Pty Ltd; South32 Aluminium (Worsley) Pty Ltd; Alcoa Corporation
Lodged: 8 April 1983
Granted: 28 November 2014
Expires: 27 November 2035
Area: 525.20 hectares (5.3 km²)
Mineral field: South West Mineral Field
Commodities: Gold, Copper, Bauxite, Silver, Arsenic, Bismuth
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: Newmont Boddington Gold - Life of Mine Extension - (BGM11099_01: approved 20 February 2015, Newmont Boddington Gold - Life of Mine Extension - Mining Proposal (BGM11099_01
Environmental registrations: 9 mining proposal and closure plan registrations (MINEDEX)
EPA Ministerial Statements: MS 1237, MS 971, MS 453, MS 379, MS 299, MS 100, MS 85, MS 49, MS 19
EPA referred proposals: Newmont Boddington Life of Mine Extension Amendment Proposal Under assessment; overlaps 484 ha
Newmont Boddington Goldmine - Life of Mine Expansion Approved (Ministerial Statement), MS 971; overlaps 484 ha
Worsley Mine Expansion - Revised Proposal Approved (Ministerial Statement), MS 1237; overlaps 149 ha
Forest Management Plan 2014-2023 Approved (Ministerial Statement), MS 952; overlaps 525 ha
Forest Management Plan 2024-2033 Approved (Ministerial Statement), MS 1214; overlaps 525 ha
WAMEX data: 6 open-file drill holes, 63 exploration reports on this ground
Location: -32.7927, 116.35965 (centre)

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Mining proposals and mine closure plans

Date	Registration	Title	Status	Document (GeoDocs)
1 May 2025	Mining Proposal	Worsley_HN Mining Proposal_v3	Approved	MP_500210.pdf
24 May 2024	Mining Proposal	Boddington Bauxite Mine - Hotham North Mining Proposal - South32 Worsley	Approved	MP_120346.pdf
24 December 2021	Mining Proposal	NBG Hedges Dam & Combined Activities Mining Proposal	Approved	MP_99777.pdf
24 December 2021	Mine Closure Plan	MINE CLOSURE PLAN - NEWMONT BODDINGTON GOLD PROJECT - J00026	Approved	no public document
19 August 2019	Mining Proposal	D6 Dam Mining Proposal - CR36343 - J00026	Approved	MP_80237.pdf
6 September 2018	Mining Proposal With Mine Closure Plan	Complete_NBG New Infrastructure and Trials Mining Proposal_Rev a	Approved	no public document
30 January 2017	Mining Proposal	Complete_NBG Life of Mine Extension REG ID 48325 Addendum_Rev a	Approved	mp_63748.pdf
27 April 2016	Mining Proposal	NBG Life of Mine Extension Project Drainage Modification Mining Proposal addendu	Approved	mp_58852.pdf
19 February 2015	Mining Proposal	Groundwater Production Bores & 34 Mile Brook Causeway Construction	Approved	mp_53894.pdf

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