MCF Mining Approvals IndexData as at 18 October 2026 · from Western Australian Government registers and open data
Western Australian mining lease
M 26/490 · Boorara / Horizon
M 26/490 is a Western Australian mining lease held by KALGOORLIE ORE TREATMENT COMPANY PTY LTD (Maritana Minerals group). Granted 27 February 2001, expires 26 February 2043. 305 ha in the East Coolgardie Mineral Field. Commodities: Gold, Silver, Zinc, Lead. Part of the Boorara / Horizon project (operating).
- Type
- Mining lease
- Status
- Granted
- Parent group
- Maritana Minerals (the MINEDEX project owner)
- MINEDEX projects
- Boorara / Horizon J02851 · OperatingOwners: Maritana Minerals Limited 100%; Norton Gold FIelds Pty Ltd; Paddington Gold Pty LIMIted
Nimbus J02021 · ProposedOwners: Maritana Minerals Limited 100% - Lodged
- 29 April 1995
- Granted
- 27 February 2001
- Expires
- 26 February 2043
- Area
- 304.90 hectares (3.0 km²)
- Mineral field
- East Coolgardie Mineral Field
- Commodities
- Gold, Silver, Zinc, Lead
- 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
- Boorara Gold Mine: approved 2 December 2016, Mine Closure Plan - Boorara Gold Mine - J02851
Nimbus Mine Closure and Rehabilitation Plan: approved 2 December 2016, Nimbus 2016 Mine Closure and Rehabilitation Plan - Environmental registrations
- 12 mining proposal and closure plan registrations (MINEDEX)
- EPA referred proposals
- Fire Management Strategies - track upgrading and chaining Not assessed; overlaps 305 ha
- WAMEX data
- 1,854 open-file drill holes, 83 exploration reports on this ground
- Location
- -30.79355, 121.648 (centre)
Mining proposals and mine closure plans
| Date | Registration | Title | Status | Document (GeoDocs) |
|---|---|---|---|---|
| 17 December 2024 | Mining Proposal | Boorara Gold Project: Mining Proposal Addendum - Open Pit Mining Operations Revision 3A | Approved | MP_129217.pdf |
| 2 December 2016 | Mine Closure Plan | Nimbus 2016 Mine Closure and Rehabilitation Plan | Approved | mcp_59613.pdf |
| 2 December 2016 | Mine Closure Plan | Mine Closure Plan - Boorara Gold Mine - J02851 | Approved | mcp_60565.pdf |
| 7 October 2016 | Mining Proposal | MacPherson Resources Ltd Boorara Gold Project Addendum to Mining Proposal | Approved | mp_60548.pdf |
| 18 February 2016 | Mining Proposal | Boorara Gold Project Addendum to Mining Proposal Open Pit Mining Operations | Approved | mp_58407.pdf |
| 2 October 2015 | Mining Proposal | MacPhersons Resources Ltd Boorara Gold Project Mining Proposal Open Pit Mining Operations | Approved | mp_55304.pdf |
| 28 July 2014 | Mining Proposal | MacPhersons Resources Ltd Nimbus Silver-Zinc-Gold Project - Revised Mining Proposal - Recommencement of Nimbus Mining and Processing Operations 5 February 2014 | Approved | mp_43836.pdf |
| 7 June 2011 | Mining Proposal | NIMBUS PROJECT - INSTALLATION OF 33KV POWERLINE - AMENDMENT #3 M26/490 AND L25/32 | Approved | mp_30506.pdf |
| 23 January 2006 | Mining Proposal | NIMBUS : INPIT TAILINGS STORAGE ON M26/490 | Approved | mp_5154_33007414206158BF0D57154CAB10FD72.pdf |
| 11 January 2006 | Mining Proposal | NIMBUS: DISCOVERY PIT CUTBACK M26/490 | Approved | mp_5210_8C56F31ECD5A239F88FD1AA9B1DFEE92.pdf |
| 25 October 2004 | Mining Proposal | NIMBUS - BOORARA / NIMBUS SILVER MINE M26/490 ETC | Approved | mp_4404.pdf |
| 22 October 2003 | Mining Proposal | NIMBUS - BOORARA / EQUIPMENT STORAGE ON M26/490 | Approved | mp_4399.pdf |
Registrations from MINEDEX (DMPE); the documents are the operators' own, linked on GeoDocs and not copied.