MCF Mining Approvals IndexData as at 18 October 2026 · from Western Australian Government registers and open data
Western Australian mining lease
M 70/191 · Kemerton Silicon / Simcoa
M 70/191 is a Western Australian mining lease held by SIMCOA OPERATIONS PTY LTD (Shin-Etsu Chemical group). Granted 27 August 1984, expires 4 September 2026. 219 ha in the South West Mineral Field. Part of the Kemerton Silicon / Simcoa project (operating).
- Type
- Mining lease
- Status
- Granted
- Parent group
- Shin-Etsu Chemical (a subsidiary)
- MINEDEX project
- Kemerton Silicon / Simcoa J00918 · OperatingOwners: Simcoa Operations Pty Ltd 100%
- Lodged
- 20 December 1983
- Granted
- 27 August 1984
- Expires
- 4 September 2026
- Area
- 218.80 hectares (2.2 km²)
- Mineral field
- South West Mineral Field
- 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
- Environmental registrations
- 3 mining proposal and closure plan registrations (MINEDEX)
- EPA Ministerial Statements
- MS 813
- EPA referred proposals
- Silicon Project, Kemerton and Mine at Moora - Revised Proposal Approved (Ministerial Statement), MS 813; overlaps 218 ha
North Kiaka Quartzite Mine Approved (Ministerial Statement), MS 1254; overlaps 218 ha - WAMEX data
- 41 exploration reports on this ground
- Location
- -30.51505, 116.038 (centre)
Mining proposals and mine closure plans
| Date | Registration | Title | Status | Document (GeoDocs) |
|---|---|---|---|---|
| 14 May 2024 | Mining Proposal | Mining Proposal: Moora Quartzite Mine and Dewatering Activities Rev 3 Ver 4 | Approved | MP_121389.pdf |
| 29 November 2001 | Mining Proposal | MOORA(KEMERTON):COOMBERDALE WEST PIT | Approved | mp_16895.pdf |
| 29 May 1992 | Mining Proposal | KEMERTON SILICON PROJECT MOORA MINE EXPANSION | Approved | mp_15082.pdf |
Registrations from MINEDEX (DMPE); the documents are the operators' own, linked on GeoDocs and not copied.