MCF Mining Approvals IndexData as at 18 October 2026 · from Western Australian Government registers and open data
Worsley
Worsley is a Western Australian mining project (operating) in MINEDEX, owned by 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, on 22 current tenements held by BHP MINERALS PTY LTD; JAPAN ALUMINA ASSOCIATES (AUSTRALIA) PTY LTD; SOJITZ ALUMINA PTY LTD; SOUTH32 ALUMINIUM (RAA) PTY LTD and others. Commodities: Gold, Copper, Silver, Bauxite, Arsenic, Bismuth.
- MINEDEX project
- J00776
- Stage
- Operating
- Owners (MINEDEX)
- 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
- Tenement holders
- BHP MINERALS PTY LTD
JAPAN ALUMINA ASSOCIATES (AUSTRALIA) PTY LTD
SOJITZ ALUMINA PTY LTD
SOUTH32 ALUMINIUM (RAA) PTY LTD
SOUTH32 ALUMINIUM (WORSLEY) PTY LTD
THE SHELL CO. OF AUSTRALIA LTD - Commodities
- Gold, Copper, Silver, Bauxite, 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
Resources and reserves
| Commodity | Resources | Reserves | Latest estimate |
|---|---|---|---|
| Alumina extractable by Bayer process | 1,045 Mt at 28.6%, 299 Mt contained | 177 Mt at 28.2%, 49.8 Mt contained | 30 June 2025 |
Current MINEDEX estimates over all the project's sites; resources may include reserves. MINEDEX (DMPE), CC BY 4.0.
Production recorded in MINEDEX
| Commodity | Latest year | That year | All recorded |
|---|---|---|---|
| Alumina extractable by Bayer process | 2001 | 3.0 Mt | 27.5 Mt |
Historical: the bulk extract's production records end in 2002.
Mine closure plans
| Site | Operator | Latest plan approved | Plan (PDF on GeoDocs) | Closure year |
|---|---|---|---|---|
| Newmont Boddington Gold - Life of Mine Extension - (BGM11099_01 | NEWMONT BODDINGTON GOLD Pty Ltd | 20 February 2015 | Newmont Boddington Gold - Life of Mine Extension - Mining Proposal (BGM11099_01 | 2041 |
| Worsley Alumina M70_110-113&554_Rev a | Worsley Alumina Pty Limited | 1 June 2016 | COMPLETE Worsley Alumina Mining Proposal M70_110-113&554_Rev a | |
| MCP_Worsley Alunina -Boddington Bauxite Mine - M70/114_PUBLIC VERSION_Part1 & Part2 | Worsley Alumina Pty Limited | 24 April 2018 | Mining Proposal with MCP_Worsley Alunina -Boddington Bauxite Mine - M70/114_PUBLIC VERSION |
EPA Ministerial Statements
MS 1237 Worsley Mine Expansion – Revised Proposal, MS 971 Newmont Boddington Goldmine - Life of Mine Expansion, MS 453 Boddington gold mine - Extended basement operation and changes to existing environmental conditions, MS 379 Boddington Gold Mine: Rehabilitation strategy (s46), MS 299 Extension to Boddington Gold Mine Eastern Anomaly Prospect, MS 100 Boddington Gold Mine Project - Modification to processing and disposal of supergene and copper-rich basement ores (s46) [238B], MS 85 Boddington Gold Mine Project - mining and processing of supergene/basement ores, MS 49 Boddington Gold Mine Project Expansion of Facilities Stage 2, MS 19 Boddington Gold Mine Enhancement, Boddington