Data as at 18 October 2026 · from Western Australian Government registers and open data
Western Australian mining lease
M 31/172 · Porphyry - Northern Operations
M 31/172 is a Western Australian mining lease held by NORTHERN STAR (CAROSUE DAM) PTY LTD (Northern Star Resources group). Granted 21 December 2007, expires 6 January 2029. 242 ha in the North Coolgardie Mineral Field. Commodities: Gold, Silver. Part of the Porphyry - Northern Operations project (operating).
- Type
- Mining lease
- Status
- Granted
- Parent group
- Northern Star Resources (matched by name)
- MINEDEX project
- Porphyry - Northern Operations J00094 · OperatingOwners: Northern Star Resources Ltd 100%; Saracen Mineral Holdings Ltd; Northern Star (Carosue Dam) Pty Ltd
- Lodged
- 24 August 1995
- Granted
- 21 December 2007
- Expires
- 6 January 2029
- Area
- 241.60 hectares (2.4 km²)
- Mineral field
- North Coolgardie 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
- Environmental registrations
- 5 mining proposal and closure plan registrations (MINEDEX)
- WAMEX data
- 742 open-file drill holes, 66 exploration reports on this ground
- Location
- -29.8694, 122.31705 (centre)
Mining proposals and mine closure plans
| Date | Registration | Title | Status | Document (GeoDocs) |
|---|---|---|---|---|
| 8 September 2023 | Mining Proposal | Porphyry EGS Mining Proposal Rev 4.0 Ver 0 | Approved | MP_119816.pdf |
| 6 May 2022 | Mining Proposal | Porphyry - Northern Operations - Mining Proposal - Revision 3, Version 1 | Approved | MP_102215.pdf |
| 11 May 2021 | Mining Proposal | Porphyry - Northern Operations Environmental Group Site - Mining Proposal - Revision 2 | Approved | MP_96583.pdf |
| 11 March 2021 | Mining Proposal | Porphyry - Northern Operations EGS S0001992 - Mining Proposal Version 1.2 - March 2021 - Final | Approved | MP_92519.pdf |
| 5 April 2011 | Mining Proposal | MP - Saracen - Wallbrook Open Pit Mining Proposal & Dewatering Options | Approved | mp_26121.pdf |
Registrations from MINEDEX (DMPE); the documents are the operators' own, linked on GeoDocs and not copied.
MCF Mining Approvals Index