Data as at 18 October 2026 · from Western Australian Government registers and open data
Western Australian mining project · Care and Maintenance
Mt Regal Chert / Eastone
Mt Regal Chert / Eastone is a Western Australian mining project (in care and maintenance) in MINEDEX, owned by a private holder 50%; Eastone Holding Proprietary Limited 50%; Karratha Greenstone Pty Ltd, on 3 current tenements held by PORTSIDE RESOURCES WA PTY LTD; a private holder.
- MINEDEX project
- J02492
- Stage
- Care and Maintenance
- Owners (MINEDEX)
- a private holder 50%; Eastone Holding Proprietary Limited 50%; Karratha Greenstone Pty Ltd
- Tenement holders
- PORTSIDE RESOURCES WA 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 |
|---|---|---|---|
| Ornamental stone | 2001 | 10 t | 15 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 |
|---|---|---|---|---|
| FOR SMALL OPERATIONS - MT REGAL CHROME CHALCEDONY PROJECT | a private holder | 15 January 2018 | MINE CLOSURE PLAN FOR SMALL OPERATIONS - MT REGAL CHROME CHALCEDONY PROJECT - J02492 |
Tenements
| Tenement | Holder | Status | Expires | Commodities | Hectares |
|---|---|---|---|---|---|
| M 47/363 Mining lease | a private holder; PORTSIDE RESOURCES WA PTY LTD | Granted | 22 August 2037 | 58 | |
| L 47/154 Miscellaneous licence | a private holder | Granted | 21 March 2028 | 4 | |
| L 47/669 Miscellaneous licence | a private holder | Granted | 27 August 2036 | 47 |
MCF Mining Approvals Index