Data as at 18 October 2026 · from Western Australian Government registers and open data

Western Australian mining lease

M 52/1046 · DeGrussa - Monty

M 52/1046 is a Western Australian mining lease held by SANDFIRE RESOURCES LIMITED (Sandfire Resources group). Granted 8 December 2010, expires 7 December 2031. 1,700 ha in the Peak Hill Mineral Field. Commodities: Copper, Gold, Silver, Zinc, Palladium, MAL. Part of the DeGrussa - Monty project (operating).

Type: Mining lease
Status: Granted
Holder: SANDFIRE RESOURCES LIMITED
Parent group: Sandfire Resources (matched by name)
MINEDEX project: DeGrussa - Monty J03263 · Operating
Owners: Sandfire Resources Limited 100%
Lodged: 18 March 2010
Granted: 8 December 2010
Expires: 7 December 2031
Area: 1,699.90 hectares (17.0 km²)
Mineral field: Peak Hill Mineral Field
Commodities: Copper, Gold, Silver, Zinc, Palladium, MAL
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: DEGRUSSA OPERATIONS: approved 4 July 2025, MINE CLOSURE PLAN - DEGRUSSA OPERATIONS - REVISION 4.0 - J03263 - S0225466
Environmental registrations: 26 mining proposal and closure plan registrations (MINEDEX)
WAMEX data: 2,715 open-file drill holes, 66 exploration reports on this ground
Location: -25.549, 119.3205 (centre)

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Mining proposals and mine closure plans

Date	Registration	Title	Status	Document (GeoDocs)
4 July 2025	Mine Closure Plan	MINE CLOSURE PLAN - DEGRUSSA OPERATIONS - REVISION 4.0 - J03263 - S0225466	Approved	MCP_123808.pdf
16 June 2023	Mine Closure Plan	MINE CLOSURE PLAN - DeGrussa Operations - J03263	Approved	MCP_110627.pdf
14 November 2022	Mining Proposal	DeGrussa Operations	Approved	MP_114003.pdf
28 June 2021	Mining Proposal	MINING PROPOSAL FOR THE DEGRUSSA OPERATION ON M52/1046, L52/122, L52/125, L52/127, L52/133, L52/137, L52/138, L52/140, L52/151, L52/152, L52/156 AND L52/161 - Revision 2.0	Approved	MP_89334.pdf
12 December 2019	Mining Proposal	Mining Proposal for PAF Encapsulation Area Extension 2019 DeGrussa Copper Mine M52/1046	Approved	MP_83860.pdf
10 January 2019	Mining Proposal	Mining Proposal for TSF Embankment Raise (Stages 4 and 5) DeGrussa Copper Mine - M52/1046 - Sandfire Resources NL - November 2018	Approved	mp_77058.pdf
28 August 2017	Mine Closure Plan	MINE CLOSURE & REHABILITATION PLAN DEGRUSSA COPPER MINE DCM-ENV-MP-2414 (VERSION 1.2)	Approved	mcp_66475.pdf
27 April 2017	Mining Proposal	Mining Proposal - Revised ROM Pad Ramp and Minor Infrastructure - Degrussa Copper Mine	Approved	mp_64481.pdf
11 October 2016	Mining Proposal	Sandfire Resources NL DeGrussa Copper Project Amendment Mining Proposal: HV Powerline, M52/1046	Approved	mp_60590.pdf
29 June 2016	Mining Proposal	Revised Amendment Mining Proposal: Temporary Underground Waste Rock Stockpile, M52/1046 (REG ID 59264) (Revision 1)	Approved	mp_59264.pdf
11 September 2015	Mining Proposal	DeGrussa Copper Mine Additional Infrastructure and Mine Dewatering Changes Mining Proposal M52/1046 Revision 1	Approved	mp_55067.pdf
17 August 2015	Mining Proposal	Mining Proposal for PAF encapsulation area extension DeGrussa Copper Mine - M52/1046	Approved	mp_54981.pdf
23 April 2015	Mining Proposal	Solar PV Facility MP	Approved	mp_54236.pdf
19 September 2014	Mining Proposal	RE: Sandfire Resources NL DeGrussa Copper Project Borefield Mining Proposal Addendum- Borefield Monitoring Bores OBS1 and OBS7, L52/151 and L52/152 and DWB14, L52/156 and changes to dewatering infrastructure, M52/1046	Approved	mp_48664.pdf
9 July 2014	Mining Proposal	Amendment Mining Proposal for Additional Infrastructure Degrussa Copper Mine M52/1046 May 2014	Approved	mp_47928.pdf

11 earlier registrations are in MINEDEX.

Registrations from MINEDEX (DMPE); the documents are the operators' own, linked on GeoDocs and not copied.