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
| Commodity | Resources | Reserves | Latest estimate |
|---|---|---|---|
| Tantalum pentoxide | 11 Mt at 0.02%, 2,055 t contained | 2.30 Mt at 0.01%, 298 t contained | 30 June 2025 |
| Lithium oxide | 11 Mt at 1.4%, 153 kt contained | 2.30 Mt at 1.1%, 25 kt contained | 30 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
| Commodity | Latest year | That year | All recorded |
|---|---|---|---|
| Spodumene concentrate | — | — | 108 t |
Historical: the bulk extract's production records end in 2002.
Mine closure plans
| Site | Operator | Latest plan approved | Plan (PDF on GeoDocs) | Closure year |
|---|---|---|---|---|
| MT CATTLIN PROJECT | Galaxy Resources LIMITED | 14 August 2020 | MINE CLOSURE PLAN - MT CATTLIN PROJECT - J01005 | |
| Mt Cattlin Spodumene Project - Stage 1 | Galaxy Lithium Australia Limited | 7 March 2019 | Mt Cattlin Spodumene Project - Stage 1 Mine Closure Plan Revision 3.0 | 2024 |
Tenements
| Tenement | Holder | Status | Expires | Commodities | Hectares |
|---|---|---|---|---|---|
| M 74/244 Mining lease | GALAXY LITHIUM AUSTRALIA PTY LTD | Granted | 23 December 2030 | Lithium, Tantalum, Tin, Gold, Copper, Silver | 1,822 |
| G 74/13 General purpose lease | GALAXY LITHIUM AUSTRALIA PTY LTD | Granted | 25 May 2044 | Lithium, Tantalum, Niobium | 63 |
| L 74/46 Miscellaneous licence | GALAXY LITHIUM AUSTRALIA PTY LTD | Granted | 17 March 2031 | Lithium, Tantalum, Tin, Niobium | 9 |
| E 74/401 Exploration licence | GALAXY LITHIUM AUSTRALIA PTY LTD | Granted | 13 March 2028 | Gold, Silver, Copper, Iron, PY, Lithium | 1,095 |
| E 74/571 Exploration licence | GALAXY LITHIUM AUSTRALIA PTY LTD | Granted | 26 June 2028 | Lithium | 3,698 |
MCF Mining Approvals Index