MCF Mining Approvals IndexData as at 18 October 2026 · from Western Australian Government registers and open data
Western Australian mining project · Care and Maintenance
Cowarna Downs Opal
Cowarna Downs Opal is a Western Australian mining project (in care and maintenance) in MINEDEX, owned by Bullabulling Pty Ltd 50%; a private holder 50%, on 1 current tenement held by BULLABULLING PTY LTD; a private holder.
- MINEDEX project
- J02919
- Stage
- Care and Maintenance
- Owners (MINEDEX)
- Bullabulling Pty Ltd 50%; a private holder 50%
- Tenement holders
- BULLABULLING PTY LTD
a private holder - 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
Production recorded in MINEDEX
| Commodity | Latest year | That year | All recorded |
|---|---|---|---|
| Opal - gem | 1974 | 0.0 t | 0.0 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 |
|---|---|---|---|---|
| Cowarna Opal | a private holder | 5 April 2018 | Mine Closure Plan - Cowarna Opal - March 2016 |
Tenements
| Tenement | Holder | Status | Expires | Commodities | Hectares |
|---|---|---|---|---|---|
| M 28/372 Mining lease | BULLABULLING PTY LTD; a private holder | Granted | 7 January 2034 | 120 |