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

Mt Cattlin Spodumene

Mt Cattlin Spodumene is a Western Australian mining project (in care and maintenance) in MINEDEX, owned by Rio Tinto Ltd 100%; Rio Tinto Western Holdings Limited; Rio Tinto Bm Subsidiary Limited, on 5 current tenements held by GALAXY LITHIUM AUSTRALIA PTY LTD. Commodities: Lithium, Tantalum, Tin, Gold, Copper, Silver, Niobium, Iron.

MINEDEX project
J01005
Stage
Care and Maintenance
Owners (MINEDEX)
Rio Tinto Ltd 100%; Rio Tinto Western Holdings Limited; Rio Tinto Bm Subsidiary Limited
Tenement holders
GALAXY LITHIUM AUSTRALIA PTY LTD
Parent groups
Rio Tinto
Commodities
Lithium, Tantalum, Tin, Gold, Copper, Silver, Niobium, Iron, PY
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
Tantalum pentoxide11 Mt at 0.02%, 2,055 t contained2.30 Mt at 0.01%, 298 t contained30 June 2025
Lithium oxide11 Mt at 1.4%, 153 kt contained2.30 Mt at 1.1%, 25 kt contained30 June 2025

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

Production recorded in MINEDEX

CommodityLatest yearThat yearAll recorded
Spodumene concentrate——108 t

Historical: the bulk extract's production records end in 2002.

Mine closure plans

SiteOperatorLatest plan approvedPlan (PDF on GeoDocs)Closure year
MT CATTLIN PROJECTGalaxy Resources LIMITED14 August 2020MINE CLOSURE PLAN - MT CATTLIN PROJECT - J01005
Mt Cattlin Spodumene Project - Stage 1Galaxy Lithium Australia Limited7 March 2019Mt Cattlin Spodumene Project - Stage 1 Mine Closure Plan Revision 3.02024

Tenements

TenementHolderStatusExpiresCommoditiesHectares
M 74/244
Mining lease
GALAXY LITHIUM AUSTRALIA PTY LTDGranted23 December 2030Lithium, Tantalum, Tin, Gold, Copper, Silver1,822
G 74/13
General purpose lease
GALAXY LITHIUM AUSTRALIA PTY LTDGranted25 May 2044Lithium, Tantalum, Niobium63
L 74/46
Miscellaneous licence
GALAXY LITHIUM AUSTRALIA PTY LTDGranted17 March 2031Lithium, Tantalum, Tin, Niobium9
E 74/401
Exploration licence
GALAXY LITHIUM AUSTRALIA PTY LTDGranted13 March 2028Gold, Silver, Copper, Iron, PY, Lithium1,095
E 74/571
Exploration licence
GALAXY LITHIUM AUSTRALIA PTY LTDGranted26 June 2028Lithium3,698