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 77/399 · Forrestania Nickel / Western Areas

M 77/399 is a Western Australian mining lease held by MYAMBA MINERALS PTY LTD (IGO group). Granted 5 November 1989, expires 7 November 2031. 884 ha in the Yilgarn Mineral Field. Commodities: Nickel, Copper, Gold. Part of the Forrestania Nickel / Western Areas project (operating).

Type
Mining lease
Status
Granted
Holder
MYAMBA MINERALS PTY LTD
Parent group
IGO (a joint venture)
MINEDEX projects
Forrestania Nickel / Western Areas J00757 · Operating
Owners: Igo LIMIted 90%; Great Western Exploration Limited 10%; Igo Forrestania Limited; Medallion Metals Limited; Myamba Minerals Pty Ltd; Western Areas Nickel Pty Ltd

Forrestania Gold / Medallion J04081 · Shut
Owners: Medallion Metals Limited 100%; Myamba Minerals Pty Ltd; Western Areas Nickel Pty Ltd
Lodged
8 June 1989
Granted
5 November 1989
Expires
7 November 2031
Area
884.20 hectares (8.8 km²)
Mineral field
Yilgarn Mineral Field
Commodities
Nickel, Copper, 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
FORRESTANIA NICKEL OPERATIONS / WESTERN AREAS: approved 30 June 2020, MINE CLOSURE PLAN - FORRESTANIA NICKEL OPERATIONS / WESTERN AREAS - J00757
Environmental registrations
42 mining proposal and closure plan registrations (MINEDEX)
EPA Ministerial Statements
MS 808
EPA referred proposals
Fire Management Strategies - track upgrading and chaining Not assessed; overlaps 884 ha
WAMEX data
76 open-file drill holes, 87 exploration reports on this ground
Location
-32.5856, 119.737 (centre)
Open on the mapAll mining leases

Mining proposals and mine closure plans

DateRegistrationTitleStatusDocument (GeoDocs)
5 April 2023Mining ProposalMINING PROPOSAL FOR SMALL MINING OPERATIONS - TSF Piezometer Installation - J00757ApprovedMP_117574.pdf
30 June 2020Mine Closure PlanMINE CLOSURE PLAN - FORRESTANIA NICKEL OPERATIONS / WESTERN AREAS - J00757ApprovedMCP_82944.pdf
30 June 2020Mining ProposalCosmic Boy Tailings Storage Facility ? TSF Southern Extension and Ancillary WorkApprovedMP_85133.pdf
8 April 2020Mining ProposalForrestania Nickel Operations Reconciliation Mining ProposalApprovedMP_84572.pdf
3 January 2020Mining ProposalReg ID: 83371 - Cosmic Boy BioHeap? Facility - Mining Tenement M77/399ApprovedMP_83371.pdf
14 November 2018Mining ProposalMINING PROPOSAL - Reg ID: 76459 - Forrestania Solar Farms - M77/399 & M77/582Approvedmp_76459.pdf
20 December 2016Mine Closure PlanForrestania Nickel Operations - Rehabilitation and Mine Closure Plan - M77/583; M77/584; M77/586; M77/587; M77/582; M77/911; M77/545; M77/912; L77/141; M74/91;M74/90; M74/58; M74/57; M77/568; M77/588; M77/589; L77/197; L77/104; M77/399; M77/335; M77/574; G70/226; L70/111; G70/231; L74/44Approvedmcp_60856.pdf
8 June 2016Mining ProposalConstruction of a SCATS storage area adjacent to the Tailings Storage FacilityApprovedmp_59274.pdf
18 February 2016Mining ProposalFinal WSA Cosmic Boy TSF expansion MP 17 June 2015 with AppendicesApprovedmp_55290.pdf
10 June 2015Mining Proposal With Mine Closure PlanMining Proposal 54295 Bioleach Facility and Additional InfrastructureApprovedmp_54295.pdf
4 July 2012Mining ProposalForrestania Nickel Project Mining Proposal - Reg ID: 33310 Cosmic Boy Camp Expansion and Septic System Upgrade - REV C M77/399 & M77/589 26 June 2012Approvedmp_33310.pdf
13 March 2012Mining ProposalCosmic Boy TSF access road and tailings reclamation areaApprovedmp_31895.pdf
17 August 2011Mining ProposalScats storage area proposal - Cosmic Boy M77/399Approvedmp_31756.pdf
5 August 2011Mining ProposalMining Proposal for the Construction of Feed Bores To Intersect The Old Cosmic Boy Underground Workings on M77/399Approvedmp_31304.pdf
30 March 2011Mining ProposalInstallation of Small Drain And Bund Surrounding the Cosmic Boy Run Of Mine Pad on M77/399Approvedmp_29413.pdf

27 earlier registrations are in MINEDEX.

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