Data as at 18 October 2026 · from Western Australian Government registers and open data
Western Australian mining lease
M 70/238 · Gnangara Silica Sand / Heidelberg Materials
M 70/238 is a Western Australian mining lease held by HEIDELBERG MATERIALS AUSTRALIA PTY LTD (Heidelberg Materials group). Granted 25 May 1988, expires 26 May 2030. 569 ha in the South West Mineral Field. Commodities: SD. Part of the Gnangara Silica Sand / Heidelberg Materials project (operating).
- Type
- Mining lease
- Status
- Granted
- Parent group
- Heidelberg Materials (matched by name)
- MINEDEX project
- Gnangara Silica Sand / Heidelberg Materials J01107 · OperatingOwners: Heidelberg Materials Australia Pty Ltd 100%
- Lodged
- 17 December 1984
- Granted
- 25 May 1988
- Expires
- 26 May 2030
- Area
- 568.90 hectares (5.7 km²)
- Mineral field
- South West Mineral Field
- Commodities
- SD
- 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
- Gaskell Avenue mining lease M70/238: approved 25 January 2019, Mine Closure Plan Gaskell Avenue mining lease M70/238 Rev 1
- Environmental registrations
- 2 mining proposal and closure plan registrations (MINEDEX)
- EPA referred proposals
- Gnangara Mound Groundwater Resources [Including Groundwater Resource Allocation, East Gnangara City of Swan] Approved (Ministerial Statement), MS 1271; overlaps 569 ha
Ellenbrook Reliable Water Storage Project Not assessed; overlaps 23 ha
Ellenbrook Water Supply Tanks Geotechnical Survey Not assessed; overlaps 22 ha
Perth Northern Pipeline Corridors - Strategic Proposal Under assessment; overlaps 569 ha
Dampier to Bunbury Natural Gas Pipeline Stage 5 Expansion Approved (Ministerial Statement), MS 735; overlaps 9.6 ha
Gnangara Mound Groundwater Resources Approved (Ministerial Statement), MS 819; overlaps 569 ha
and 2 more - WAMEX data
- 9 exploration reports on this ground
- Location
- -31.76525, 115.93765 (centre)
Mining proposals and mine closure plans
| Date | Registration | Title | Status | Document (GeoDocs) |
|---|---|---|---|---|
| 25 January 2019 | Mine Closure Plan | Mine Closure Plan Gaskell Avenue mining lease M70/238 Rev 1 | Approved | mcp_72869.pdf |
| 11 May 1988 | Mining Proposal | SPECIALTY SILICA SAND PROJECT (M70/238) | Approved | mp_83.pdf |
Registrations from MINEDEX (DMPE); the documents are the operators' own, linked on GeoDocs and not copied.
MCF Mining Approvals Index