Mining Capital FundsMCF Mining Approvals Index

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

Western Australian mining lease

M 20/55 · Murchison / Westgold

M 20/55 is a Western Australian mining lease held by BIG BELL GOLD OPERATIONS PTY LTD (Westgold Resources group). Granted 8 May 1987, expires 18 May 2029. 343 ha in the Murchison Mineral Field. Commodities: Gold. 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 project
Murchison / Westgold J00347 · Operating
Owners: Westgold Resources Limited 100%
Lodged
14 October 1986
Granted
8 May 1987
Expires
18 May 2029
Area
343.20 hectares (3.4 km²)
Mineral field
Murchison Mineral Field
Commodities
Gold
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
18 mining proposal and closure plan registrations (MINEDEX)
WAMEX data
196 open-file drill holes, 85 exploration reports on this ground
Location
-27.48145, 118.1234 (centre)
Open on the mapAll mining leases

Mining proposals and mine closure plans

DateRegistrationTitleStatusDocument (GeoDocs)
7 May 2024Mining ProposalTuckabianna Mining Proposal (Rev 2.1)ApprovedMP_122437.pdf
3 November 2022Mining ProposalTuckabianna Mining Proposal, Revision 1 Version 3ApprovedMP_106123.pdf
15 October 2019Mine Closure PlanMINE CLOSURE PLAN - TUCKABIANNA PROJECT - J00347ApprovedMCP_81622.pdf
12 July 2017Mine Closure PlanMURCHISON OPERATIONS - MINE CLOSURE PLAN - TUCKABIANNA PROJECTS - MINERAL FIELD 20 - FEBRUARY 2016Approvedmcp_58801.pdf
5 August 2016Mining ProposalTuckabianna Treatment Plant OperationsApprovedmp_59237.pdf
25 September 2015Mining ProposalBNM Murchison Operations Stage 2 - White Well ProcessingApprovedmp_55952.pdf
27 February 2015Mining ProposalBNM Murchison Operations - Stage 1, Tuckabianna Treatment Plant LeaseApprovedmp_53799.pdf
24 October 2013Mining ProposalTuckabianna Mining Centre (TMC), Katies and Katies North Open Pit Mining Proposal - M20/55; M20/195Approvedmp_39751.zip
20 September 2013Mining ProposalInfrastructure DisturbanceApprovedmp_40517.pdf
8 May 2012Mining Proposal With Mine Closure PlanSilverlake Resources , Murchinson Goldfields Project Mining ProposalApprovedmp_34087.pdf
23 December 2011Mining ProposalComplete_Silver_Lake_Resources_Letter_of_Intent_DewateringApprovedmp_31927.pdf
15 March 2002Mining ProposalTUCKABIANNA : COMET : PINNACLES UNDERGROUNDApprovedmp_3914.pdf
14 June 1995Mining ProposalTUCKABIANNA TUCKA MINING CENTREApprovedmp_15410.pdf
25 March 1994Mining ProposalTUCKABIANNA : KATIESApprovedmp_1586.pdf
24 December 1991Mining ProposalTUCKABIANNA JAFFAS FOLLY PITApprovedmp_885.pdf

3 earlier registrations are in MINEDEX.

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