MCF Mining Approvals IndexData as at 18 October 2026 · from Western Australian Government registers and open data
Western Australian mining project · Operating
Lake Cowan Gypsum / Whitfield
Lake Cowan Gypsum / Whitfield is a Western Australian mining project (operating) in MINEDEX, owned by Whitfield Minerals Pty Ltd 100%, on 11 current tenements held by CENTRAL GYPSUM PTY LTD. Commodities: Gypsum.
- MINEDEX project
- J01324
- Stage
- Operating
- Owners (MINEDEX)
- Whitfield Minerals Pty Ltd 100%
- Tenement holders
- CENTRAL GYPSUM PTY LTD
- Commodities
- Gypsum
- 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 |
|---|---|---|---|
| Gypsum | 0.85 Mt at 96.8%, 827 kt contained | — | 30 June 1993 |
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 |
|---|---|---|---|
| Gypsum | 2001 | 14 kt | 642 kt |
Historical: the bulk extract's production records end in 2002.
Mine closure plans
| Site | Operator | Latest plan approved | Plan (PDF on GeoDocs) | Closure year |
|---|---|---|---|---|
| LAKE COWAN GYPSUM PROJECT | Whitfield Minerals Pty Ltd | 3 June 2020 | MINE CLOSURE PLAN - LAKE COWAN GYPSUM PROJECT - J01324 |
Tenements
| Tenement | Holder | Status | Expires | Commodities | Hectares |
|---|---|---|---|---|---|
| M 63/85 Mining lease | CENTRAL GYPSUM PTY LTD | Granted | 7 July 2027 | Gypsum | 6 |
| M 63/87 Mining lease | CENTRAL GYPSUM PTY LTD | Granted | 7 July 2027 | Gypsum | 10 |
| M 63/148 Mining lease | CENTRAL GYPSUM PTY LTD | Granted | 13 May 2029 | Gypsum | 91 |
| M 63/170 Mining lease | CENTRAL GYPSUM PTY LTD | Granted | 1 June 2030 | Gypsum | 60 |
| M 63/237 Mining lease | CENTRAL GYPSUM PTY LTD | Granted | 14 May 2033 | Gypsum | 109 |
| M 63/528 Mining lease | CENTRAL GYPSUM PTY LTD | Granted | 2 November 2046 | Gypsum | 19 |
| M 63/529 Mining lease | CENTRAL GYPSUM PTY LTD | Granted | 2 November 2046 | Gypsum | 12 |
| M 63/674 Mining lease | CENTRAL GYPSUM PTY LTD | Application | Gypsum | 16 | |
| M 63/675 Mining lease | CENTRAL GYPSUM PTY LTD | Application | Gypsum | 12 | |
| L 63/63 Miscellaneous licence | CENTRAL GYPSUM PTY LTD | Granted | 20 October 2035 | Gypsum | 12 |
| P 63/2017 Prospecting licence | CENTRAL GYPSUM PTY LTD | Granted | 1 May 2020 | Gypsum | 12 |