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

Western Australian mining lease

M 20/108 · Murchison / Westgold

M 20/108 is a Western Australian mining lease held by BIG BELL GOLD OPERATIONS PTY LTD (Westgold Resources group). Granted 27 April 1988, expires 5 May 2030. 930 ha in the Murchison Mineral Field. Commodities: Gold, Silver. Part of the Murchison / Westgold project (operating).

Type: Mining lease
Status: Granted
Holder: BIG BELL GOLD OPERATIONS PTY LTD
Parent group: Westgold Resources (a subsidiary)
MINEDEX projects: Murchison / Westgold J00347 · Operating
Owners: Westgold Resources Limited 100%

White Well J03549 · Proposed
Owners: Lake Austin Mining Pty Ltd 100%
Lodged: 14 October 1987
Granted: 27 April 1988
Expires: 5 May 2030
Area: 930.00 hectares (9.3 km²)
Mineral field: Murchison 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
Mine closure plan: TUCKABIANNA PROJECT: approved 15 October 2019, MINE CLOSURE PLAN - TUCKABIANNA PROJECT - J00347
MURCHISON OPERATIONS - TUCKABIANNA PROJECTS - MINERAL FIELD 20: approved 12 July 2017, MURCHISON OPERATIONS - MINE CLOSURE PLAN - TUCKABIANNA PROJECTS - MINERAL FIELD 20 - FEBRU
Environmental registrations: 22 mining proposal and closure plan registrations (MINEDEX)
WAMEX data: 209 open-file drill holes, 82 exploration reports on this ground
Location: -27.4401, 118.15335 (centre)

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Mining proposals and mine closure plans

Date	Registration	Title	Status	Document (GeoDocs)
7 May 2024	Mining Proposal	Tuckabianna Mining Proposal (Rev 2.1)	Approved	MP_122437.pdf
3 November 2022	Mining Proposal	Tuckabianna Mining Proposal, Revision 1 Version 3	Approved	MP_106123.pdf
15 October 2019	Mine Closure Plan	MINE CLOSURE PLAN - TUCKABIANNA PROJECT - J00347	Approved	MCP_81622.pdf
12 July 2017	Mine Closure Plan	MURCHISON OPERATIONS - MINE CLOSURE PLAN - TUCKABIANNA PROJECTS - MINERAL FIELD 20 - FEBRUARY 2016	Approved	mcp_58801.pdf
5 August 2016	Mining Proposal	Tuckabianna Treatment Plant Operations	Approved	mp_59237.pdf
25 September 2015	Mining Proposal	BNM Murchison Operations Stage 2 - White Well Processing	Approved	mp_55952.pdf
17 March 2015	Mining Proposal	Julies Reward In Pit TSF Mining Proposal Rev 0	Approved	mp_53455.pdf
27 February 2015	Mining Proposal	BNM Murchison Operations - Stage 1, Tuckabianna Treatment Plant Lease	Approved	mp_53799.pdf
20 September 2013	Mining Proposal	Infrastructure Disturbance	Approved	mp_40517.pdf
8 May 2012	Mining Proposal With Mine Closure Plan	Silverlake Resources , Murchinson Goldfields Project Mining Proposal	Approved	mp_34087.pdf
23 December 2011	Mining Proposal	Complete_Silver_Lake_Resources_Letter_of_Intent_Dewatering	Approved	mp_31927.pdf
15 March 2002	Mining Proposal	TUCKABIANNA : COMET : PINNACLES UNDERGROUND	Approved	mp_3914.pdf
7 February 1996	Mining Proposal	TUCKABIANNA : TRIAL HEAP LEACH	Approved	mp_15522.pdf
9 September 1994	Mining Proposal	TUCKABIANNA :JULIES REWARD PIT	Approved	mp_1728.pdf
15 April 1994	Mining Proposal	TUCKABIANNA : HAMLET PITS	Approved	mp_1587.pdf

7 earlier registrations are in MINEDEX.

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