MCF Mining Approvals IndexData as at 18 October 2026 · from Western Australian Government registers and open data
Western Australian mining lease
M 53/797 · Matilda
M 53/797 is a Western Australian mining lease held by SO4 PTY LTD (Sev.en Global Investments group). Granted 21 November 2001, expires 20 November 2043. 948 ha in the East Murchison Mineral Field. Commodities: K, Sulphate of potash, Gold, Silver. Part of the Matilda project (operating).
- Type
- Mining lease
- Status
- Granted
- Holder
- SO4 PTY LTD
- Parent group
- Sev.en Global Investments (a subsidiary)
- MINEDEX projects
- Matilda J02624 · OperatingOwners: Wiluna Mining Corporation Limited 100%; Kimba Resources Pty Ltd; Wiluna Operations Pty Ltd; Bml Ventures Pty Ltd; a private holder
Lake Way Potash / Sev.en J05331 · OperatingOwners: Sev.En Global Investments Pty Ltd 100%; Wiluna Mining Corporation Limited; Kimba Resources Pty Ltd - Lodged
- 28 April 1998
- Granted
- 21 November 2001
- Expires
- 20 November 2043
- Area
- 948.10 hectares (9.5 km²)
- Mineral field
- East Murchison Mineral Field
- Commodities
- K, Sulphate of potash, Gold, Silver
- 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
- Lake Way Potash Project, Application, No 3: approved 30 January 2020, Lake Way Potash Project, Mining Proposal Application, Revision No 3
Galaxy Mi ID 60778 Notification of minor: approved 13 June 2017, Galaxy Mi ID 60778 Notification of minor amendment - Environmental registrations
- 18 mining proposal and closure plan registrations (MINEDEX)
- EPA referred proposals
- Lake Way Sulphate of Potash Project Approved (Ministerial Statement), MS 1165; overlaps 904 ha
Lake Way SOP Demonstration Plant Not assessed; overlaps 902 ha - WAMEX data
- 1,919 open-file drill holes, 88 exploration reports on this ground
- Location
- -26.78205, 120.3156 (centre)
Mining proposals and mine closure plans
| Date | Registration | Title | Status | Document (GeoDocs) |
|---|---|---|---|---|
| 23 April 2025 | Mining Proposal | Lake Way Sulphate of Potash Combined Mining Proposal | Approved | MP_500170.pdf |
| 29 November 2023 | Mining Proposal | Lake Way Potash Project, Mining Proposal Revision No 7 | Approved | MP_119205.pdf |
| 21 July 2021 | Mining Proposal | Lake Way Potash Project, Mining Proposal Application, Revision No 6, Version 2 | Approved | MP_97099.pdf |
| 12 February 2021 | Mining Proposal | Mining Proposal Application, Revision No 5, Version 3 | Approved | MP_92226.pdf |
| 30 November 2020 | Mining Proposal | Lake Way Potash Project, Mining Proposal Application, Revision No 4, Version 3 | Approved | MP_88820.pdf |
| 30 January 2020 | Mining Proposal With Mine Closure Plan | Lake Way Potash Project, Mining Proposal Application, Revision No 3 | Approved | MP_83761.pdf MCP_83761.pdf |
| 6 December 2019 | Mining Proposal With Mine Closure Plan | Lake Way Potash Project, Mining Proposal Application - Revision 2 | Approved | MP_83574.pdf |
| 27 September 2019 | Mining Proposal With Mine Closure Plan | Lake Way Potash Project Mining Proposal and Closure Plan Stage 2 - SO4 | Approved | MP_80903.pdf |
| 21 November 2018 | Mining Proposal With Mine Closure Plan | Mining Proposal with Mine Closure Plan for Small Operations - Salt Lake Potash (Lake Way) Williamson Pit v4 | Approved | mp_76748.pdf |
| 21 September 2018 | Mining Proposal With Mine Closure Plan | Mining Proposal with Mine Closure Plan for Small Operations - Salt Lake Potash (Lake Way) Williamson Pit v3 | Approved | mp_75870.pdf |
| 12 April 2017 | Mine Closure Plan | MINE CLOSURE PLAN - Matilda Gold Project for Wiluna - Matilda - Galaxy - Williamson mine sites - Blackman Resources Limited - J02624 / J00362 | Approved | mcp_59276.pdf |
| 27 May 2016 | Mining Proposal | Matilda Gold Project - Williamson Mine Site Mining Proposal | Approved | mp_58501.pdf |
| 18 November 2005 | Mining Proposal | LAKE WAY GOLD - AMEND WILLIAMSON PROJECT WORKSHOP M53/797 | Approved | mp_5174_E8C6394B761317758A2F85A3D17F566C.pdf |
| 21 June 2005 | Mining Proposal | LAKE WAY GOLD/ ADDEND TO WILLIAMSON PROJECT M53/797 M53/798 | Approved | no public document |
| 4 May 2005 | Mining Proposal | WILUNA GOLD / WILLIAMSON OPENCUT M53/797 798 123 53 L53/140 | Approved | mp_4921.pdf |
3 earlier registrations are in MINEDEX.
Registrations from MINEDEX (DMPE); the documents are the operators' own, linked on GeoDocs and not copied.