MCF Mining Approvals IndexData as at 18 October 2026 · from Western Australian Government registers and open data
Western Australian mining project · Care and Maintenance
Arthur River / Diversified Asset Holdings
Arthur River / Diversified Asset Holdings is a Western Australian mining project (in care and maintenance) in MINEDEX, owned by Diversified Asset Holdings Pty Ltd 100%, on 2 current tenements held by DIVERSIFIED ASSET HOLDINGS PTY LTD. Commodities: Tantalum, Niobium.
- MINEDEX project
- J01728
- Stage
- Care and Maintenance
- Owners (MINEDEX)
- Diversified Asset Holdings Pty Ltd 100%
- Tenement holders
- DIVERSIFIED ASSET HOLDINGS PTY LTD
- Parent groups
- Diversified Asset Holdings
- Commodities
- Tantalum, Niobium
- 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 | — | 0.60 Mt at 0.03%, 182 t contained | 4 July 2001 |
Current MINEDEX estimates over all the project's sites; resources may include reserves. MINEDEX (DMPE), CC BY 4.0.