Onslow
Shire of Ashburton
Onslow is a base metals, sand and gold exploration project in the Shire of Ashburton, Western Australia, earlier explored for copper. Its 63 WAMEX reports were lodged by 20 companies between 1982 and 2025, most recently Skryne Hill Pty Ltd in 2025. Of those, 1 declares a resource.
Reports
63
Operators
20
companies on record
Worked
44yrs
1982 to 2025, 1 year ago
Main target
Base Metals
Copper most reported overall
Free AI report on Onslow
NextMaps reads the open-file WAMEX reports over this ground into one cited prospectivity
assessment: the geology, past programs, drill intercepts and the gaps nobody tested. New accounts get one free.
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Onslow in the Shire of Ashburton
Ground extent138 × 146 km
Report areas mapped36
Who has explored here
Companies that lodged reports over Onslow, most active first.
Yarri Mining Pty Ltd 11Wmc Resources Ltd 11Skryne Hill Pty Ltd 6Onslow Metals Pty Ltd 4Western Mining Corporation Ltd 4Ms Pownall Km 3Onslow Metals Group Pty Ltd 2Yarri Mining Pty Ltd Onslow Resources 2Polaris Metals Pty Ltd 2Onslow Minerals Pty Ltd 2Mr Evans Wj 2Gunson Resources Ltd 2Metal Hawk Limited 1Quarry Park Pty Ltd Yarri Mining Pty Ltd Cauldron Energy 1Onslow Resources Ltd Yarri Mining 1North Rossa Pty Ltd 1Onslow Premium Sands Pty Ltd 1Lewis J G 1Regional Resources Nw Pty Ltd 1Jg Lewis Pty Ltd 1
Who controls this ground today
Today 81 live and pending tenements sit over the Onslow ground, held under 15 names.
Free account
- Which tenements sit over this ground, and who holds each
- The area they cover and when they expire
- The main holders here, by number of titles
Premium
- Whether that ground is meeting its expenditure commitments
- Dormant tenements and active forfeitures
- Mortgages, caveats and the expiry profile
Exploration record on Onslow
- Local government
- Shire of Ashburton
- Commodities targeted
- Copper 25 · Gold 22 · Sand 16 · Base Metals 11 · Lead 6 · Silver 6 · Mineral Sands 6 · Salt 6
- Work on record
- Geological reconnaissance 13 · Geophysical interpretation 12 · RC drilling 11 · Aerial magnetic surveys 9 · Gravity surveys 9 · Soil sampling 9 · Aboriginal site surveys 8 · Diamond drilling 8
- Resource declared
- Yes, in 1 report: A22957 (1987)
- Downloadable data
- 35 of 63 reports include a digital package
- Reports with no exploration
- 5 of 63 record no work done
- Report types
- Annual 52 · Final Surrender 6 · Non-statutory 3 · Partial Surrender 2
Reports by decade
51980s
141990s
172000s
192010s
72020s
Exploration reports
63 WAMEX reports filed over Onslow.
Rather than open these one by one on the DMPE site,
have the record over this ground read into one cited report, free for new accounts.
Most recent reports
| Report | Year | Operator | Title |
|---|---|---|---|
| A147960 | 2025 | Skryne Hill Pty Ltd | Onslow Base Metals Project E08/3232 (Sailfish) Final Surrender for the period 18 January 2022 to 17 January 20 |
| A139497 | 2024 | Skryne Hill Pty Ltd | Project Lobster E08-3231 Annual Report for the period ending 25/02/2024 |
| A137334 | 2023 | Onslow Metals Group Pty Ltd | Onslow Annual Report E08/3216 for the period ending 10/08/2023. |
| A134866 | 2023 | Metal Hawk Limited | Annual Report Onslow Project E08/3231 for the period ending 25/02/2023. |
| A134053 | 2023 | Skryne Hill Pty Ltd | Onslow Project Annual Report E08/3232 for the period ending 17/01/2023. |
| A132355 | 2022 | Onslow Metals Group Pty Ltd | Onslow Base Metals E08/03216 Annual Report for the period ending 10/08/2022 |
| A125086 | 2020 | Quarry Park Pty Ltd; Yarri Mining Pty Ltd; Cauldron Energy L | Annual Technical Report E08/2329 Onslow Project for the period ending 10/06/2020 |
| A114668 | 2017 | Onslow Resources Ltd; Yarri Mining Pty Ltd | C138/2013 Ashburton River & Onslow Camp Dune Sands Annual Report 01 July 2016 - 30 June 2017, E08/01728, E08/0 |
| A114317 | 2017 | North Rossa Pty Ltd | Onslow Sand Project C12/2017 Combined Annual Report for the period ending 21/04/2017, E08/02618, E08/02837, E0 |
| A112078 | 2017 | Onslow Premium Sands Pty Ltd | Onslow Sands Project E08/2333 Annual Mineral Exploration Report for the period 5 August 2015 to 4 August 2016 |
| A110108 | 2016 | Yarri Mining Pty Ltd; Onslow Resources Ltd | Annual Report for the Onslow Project C138/2013 - Period 01/7/2015 to 30/6/2016, E08/01728, E08/01991, E08/0199 |
| A109085 | 2016 | Yarri Mining Pty Ltd | Annual Technical Report - Onslow Dune Sands Project M08/496 for the period 18/04/2015 to 17/04/2016 |
| A106223 | 2015 | Yarri Mining Pty Ltd; Onslow Resources | Onslow Project (C138/2013) Annual Report for the Period 01/7/2014 to 30/6/2015, E08/1728, E08/1991, E08/1995, |
| A105794 | 2015 | Yarri Mining Pty Ltd | Annual Report (18.04.2014 17.04.2015) Onslow Dune Sand Resources Mining Lease M08/496 EXPLORATION REPORT |
| A105757 | 2015 | Lewis J G | E08/2021 (Onslow) Annual Report for the period 18 May 2014 - 18 May 2015 |
| A105366 | 2015 | Yarri Mining Pty Ltd | Annual Report (13.01.2014 12.01.2015) Onslow Dune Sand Resources Mining Tenement M08/473 EXPLORATION REPORT |
| A102603 | 2014 | Regional Resources Nw Pty Ltd | Annual Report (16.03.2013 - 15.03.2014) Onslow Group 1 (C45/2014) Combined Reporting Timbuck Creek / Mt Stuart |
| A102465 | 2014 | Yarri Mining Pty Ltd | Onslow Dune Sand Project M08/496 Annual Report for the Period 18/04/2013 to 17/04/2014 |
| A101736 | 2014 | Yarri Mining Pty Ltd | Annual Report (18.02.2013 - 17.02.2014) Onslow Dune Sand Resources Exploration Licence E08/1991 Technical Rep |
| A98735 | 2013 | Yarri Mining Pty Ltd | Annual Report (10.07.2012 - 09.07.2013) Onslow Dune Sand Resources Project Mining Lease M08/488 Exploration Re |
All 63 report numbers over Onslow
A147960 2025, A139497 2024, A137334 2023, A134866 2023, A134053 2023, A132355 2022, A125086 2020, A114668 2017, A114317 2017, A112078 2017, A110108 2016, A109085 2016, A106223 2015, A105794 2015, A105757 2015, A105366 2015, A102603 2014, A102465 2014, A101736 2014, A98735 2013, A98352 2013, A98351 2013, A94207 2012, A94206 2012, A94205 2012, A89972 2011, A86036 2009, A86035 2009, A84677 2009, A84360 2009, A79970 2008, A78813 2008, A78812 2008, A79289 2007, A76498 2007, A75872 2007, A75871 2007, A75475 2007, A72039 2006, A70199 2005, A70554 2004, A65329 2002, A63221 2001, A53050 1997, A53049 1997, A53048 1997, A52257 1997, A51865 1997, A51684 1997, A51683 1997, A51682 1997, A48728 1996, A48727 1996, A48726 1996, A44974 1995, A44973 1995, A44972 1995, A26784 1988, A25714 1988, A25713 1988, A22957 1987, A10558 1982, A37405
Other projects in the Shire of Ashburton
What does the exploration record say about Onslow?
NextMaps reads the WAMEX reports over a chosen area into a referenced prospectivity assessment: the geology, the historical programs, the drill intercepts and geochemistry, and the untested gaps, with every claim cited back to its source report. New accounts include a free report. How the reports work.
Get the free report Open this ground on the map
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Tenure data sourced from the DMPE public registers and SLIP WA (© Government of Western Australia, CC BY 4.0). Compiled by NextMaps. Verify against primary sources before reliance.