Data as at 18 October 2026 · from Western Australian Government registers and open data
Western Australian mining lease
M 58/186 · Mt Magnet
M 58/186 is a Western Australian mining lease held by MT MAGNET GOLD PTY LTD (Ramelius Resources group). Granted 26 July 1991, expires 8 August 2033. 570 ha in the Murchison Mineral Field. Commodities: Gold, Silver. Part of the Mt Magnet project (operating).
- Type
- Mining lease
- Status
- Granted
- Holder
- MT MAGNET GOLD PTY LTD
- Parent group
- Ramelius Resources (a subsidiary)
- MINEDEX project
- Mt Magnet J00156 · OperatingOwners: Ramelius Resources Ltd 100%; Mt Magnet Gold Pty Ltd
- Lodged
- 17 April 1991
- Granted
- 26 July 1991
- Expires
- 8 August 2033
- Area
- 570.20 hectares (5.7 km²)
- Mineral field
- Murchison Mineral Field
- Commodities
- 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
- Eridanus Expansion Project: approved 4 June 2020, Mining Proposal - Eridanus Expansion Project
MT MAGNET GOLD: approved 29 January 2019, REVISED MINE CLOSURE PLAN - MT MAGNET GOLD - J00156 - Environmental registrations
- 7 mining proposal and closure plan registrations (MINEDEX)
- EPA referred proposals
- Gruyere Gold Pipeline Project Not assessed; overlaps 5.6 ha
- WAMEX data
- 346 open-file drill holes, 98 exploration reports on this ground
- Location
- -28.09405, 117.78765 (centre)
Mining proposals and mine closure plans
| Date | Registration | Title | Status | Document (GeoDocs) |
|---|---|---|---|---|
| 20 May 2026 | Mining Proposal | Eridanus Cutback Stage 3 Version 2, Revision 1 | Approved | no public document |
| 18 February 2022 | Mining Proposal | Mining Proposal Franks Tower-Jinx-Orion Project Rev0 Ver2 | Approved | MP_100808.pdf |
| 4 June 2020 | Mining Proposal With Mine Closure Plan | Mining Proposal - Eridanus Expansion Project | Approved | MP_85967.pdf |
| 7 March 2019 | Mining Proposal | Eridanus Mining Proposal | Approved | mp_77437.pdf |
| 29 January 2019 | Mine Closure Plan | REVISED MINE CLOSURE PLAN - MT MAGNET GOLD - J00156 | Approved | mcp_69522.pdf |
| 10 November 2006 | Mining Proposal | HILL 50 - BARTUS E AND BLACK HOLE OPEN PIT M58/81 M58/186 | Approved | mp_18843.pdf mp_18843.zip |
| 10 June 1993 | Mining Proposal | HILL 50 QUASAR AND BLACK HOLE PITS | Approved | mp_1311.pdf |
Registrations from MINEDEX (DMPE); the documents are the operators' own, linked on GeoDocs and not copied.
MCF Mining Approvals Index