Mining Capital FundsMCF Mining Approvals Index

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

Western Australian mining project · Care and Maintenance

Lake Johnston / Forrestania

Lake Johnston / Forrestania is a Western Australian mining project (in care and maintenance) in MINEDEX, owned by Forrestania Resources Limited 100%; Poseidon Nickel Pty Limited, on 11 current tenements held by POSEIDON NICKEL PTY LIMITED. Commodities: Nickel, Cobalt, Copper.

MINEDEX project
J01666
Stage
Care and Maintenance
Owners (MINEDEX)
Forrestania Resources Limited 100%; Poseidon Nickel Pty Limited
Tenement holders
POSEIDON NICKEL PTY LIMITED
Parent groups
Maritana Minerals
Commodities
Nickel, Cobalt, Copper
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

Resources and reserves

CommodityResourcesReservesLatest estimate
Nickel3.50 Mt at 1.5%, 52 kt contained—17 March 2015

Current MINEDEX estimates over all the project's sites; resources may include reserves. MINEDEX (DMPE), CC BY 4.0.

Mine closure plans

SiteOperatorLatest plan approvedPlan (PDF on GeoDocs)Closure year
Lake Johnston OperationsNorilsk Nickel Lake Johnston Pty Limited, Lake Johnston Ltd16 July 2015Lake Johnston Operations Mine Closure Plan 2014
MINE CLOSURE PLAN - LAKE JOHNSTON / POSEIDON PROJECT - J01666Poseidon Nickel LIMITED

Tenements

TenementHolderStatusExpiresCommoditiesHectares
M 63/163
Mining lease
POSEIDON NICKEL PTY LIMITEDGranted26 October 2029Nickel, Cobalt, Copper928
M 63/282
Mining lease
POSEIDON NICKEL PTY LIMITEDGranted15 March 2037Nickel, Cobalt, Copper976
M 63/283
Mining lease
POSEIDON NICKEL PTY LIMITEDGranted15 March 2037Nickel, Copper, Cobalt982
M 63/284
Mining lease
POSEIDON NICKEL PTY LIMITEDGranted10 August 2036Nickel, Cobalt36
M 63/524
Mining lease
POSEIDON NICKEL PTY LIMITEDGranted22 June 2030Nickel966
G 63/5
General purpose lease
POSEIDON NICKEL PTY LIMITEDGranted13 May 2028Nickel, Cobalt9
G 63/8
General purpose lease
POSEIDON NICKEL PTY LIMITEDGranted5 December 2037Nickel, Cobalt81
L 63/51
Miscellaneous licence
POSEIDON NICKEL PTY LIMITEDGranted6 August 2042Nickel, Cobalt342
L 63/52
Miscellaneous licence
POSEIDON NICKEL PTY LIMITEDGranted1 August 2042Nickel, Cobalt254
L 63/55
Miscellaneous licence
POSEIDON NICKEL PTY LIMITEDGranted3 March 2046Nickel, Cobalt25
L 63/57
Miscellaneous licence
POSEIDON NICKEL PTY LIMITEDGranted7 March 2027Nickel, Cobalt1