Data as at 18 October 2026 · from Western Australian Government registers and open data
Western Australian mining project · Operating
Gnangara Silica Sand / Heidelberg Materials
Gnangara Silica Sand / Heidelberg Materials is a Western Australian mining project (operating) in MINEDEX, owned by Heidelberg Materials Australia Pty Ltd 100%, on 11 current tenements held by HEIDELBERG MATERIALS AUSTRALIA PTY LTD; ROCLA PTY LIMITED. Commodities: SD.
- MINEDEX project
- J01107
- Stage
- Operating
- Owners (MINEDEX)
- Heidelberg Materials Australia Pty Ltd 100%
- Tenement holders
- HEIDELBERG MATERIALS AUSTRALIA PTY LTD
ROCLA PTY LIMITED - Parent groups
- Heidelberg Materials
- Commodities
- SD
- 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 |
|---|---|---|---|
| Sand - undifferentiated | 75 Mt at 100.0%, 75.1 Mt contained | — | 7 June 2012 |
| Sand - construction | 5.17 Mt at 100.0%, 5.2 Mt contained | — | 7 June 2012 |
| Silica sand | 1.14 Mt at 100.0%, 1.1 Mt contained | — | 7 June 2012 |
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 |
|---|---|---|---|
| Sand - undifferentiated | 2001 | 682 kt | 10.8 Mt |
Historical: the bulk extract's production records end in 2002.
Mine closure plans
| Site | Operator | Latest plan approved | Plan (PDF on GeoDocs) | Closure year |
|---|---|---|---|---|
| Gaskell Avenue mining lease M70/238 | Hanson Construction Materials Pty Limited | 25 January 2019 | Mine Closure Plan Gaskell Avenue mining lease M70/238 Rev 1 |
Tenements
| Tenement | Holder | Status | Expires | Commodities | Hectares |
|---|---|---|---|---|---|
| M 70/238 Mining lease | HEIDELBERG MATERIALS AUSTRALIA PTY LTD | Granted | 26 May 2030 | SD | 569 |
| M 70/1306 Mining lease | HEIDELBERG MATERIALS AUSTRALIA PTY LTD | Application | SD | 321 | |
| M 70/1366 Mining lease | HEIDELBERG MATERIALS AUSTRALIA PTY LTD | Application | SD | 523 | |
| M 70/1379 Mining lease | HEIDELBERG MATERIALS AUSTRALIA PTY LTD | Application | SD | 1,596 | |
| L 70/118 Miscellaneous licence | HEIDELBERG MATERIALS AUSTRALIA PTY LTD | Granted | 24 September 2030 | SD | 27 |
| E 70/4178 Exploration licence | ROCLA PTY LIMITED | Application | SD | 3,778 | |
| P 70/974 Prospecting licence | HEIDELBERG MATERIALS AUSTRALIA PTY LTD | Granted | 27 October 2013 | SD | 186 |
| P 70/975 Prospecting licence | HEIDELBERG MATERIALS AUSTRALIA PTY LTD | Granted | 27 October 2013 | SD | 135 |
| P 70/1298 Prospecting licence | HEIDELBERG MATERIALS AUSTRALIA PTY LTD | Granted | 25 April 2017 | SD | 200 |
| P 70/1299 Prospecting licence | HEIDELBERG MATERIALS AUSTRALIA PTY LTD | Granted | 25 April 2017 | SD | 157 |
| P 70/1300 Prospecting licence | HEIDELBERG MATERIALS AUSTRALIA PTY LTD | Granted | 25 April 2017 | SD | 166 |
MCF Mining Approvals Index