Hamersley Exploration Pty Limited
Hamersley Exploration Pty Limited holds 23 Western Australian tenements covering 41,361 ha. It is a subsidiary of Rio Tinto (ASX:RIO). It has lodged 11 open-file WAMEX reports between 2013 and 2020, mostly for iron ore.
Who owns Hamersley Exploration?
Hamersley Exploration is a subsidiary of Rio Tinto (ASX:RIO). The group is named as a holder on 522 live Western Australian tenements.
The other companies Rio Tinto holds ground through, with the live tenements each is named on:
From Rio Tinto's consolidated entity disclosure statement, as at 2025-12-31.
Who holds paper over Rio Tinto's ground?
Hamersley Exploration is part of the Rio Tinto group, so these are the group's connections.
55 of Rio Tinto's live titles carry a caveat or mortgage held by another party. Rio Tinto holds caveats or mortgages over 43 live titles of other companies. It holds 251 live titles together with another holder.
Caveats and mortgages over its ground
and 8 more
It holds caveats and mortgages over
Holds ground with
and 4 more
From caveats, mortgages and joint holdings on the DMPE tenement register. A caveat protects an interest in a title, such as a royalty, an option or a loan; the register does not say which.
What Hamersley Exploration holds today
Hamersley Exploration holds 23 tenements across 41,361 ha.
- Which tenements they hold, by type and local government area
- Every title bought, sold or transferred, and who it was with
- Expenditure compliance across the portfolio
- Dormant ground and forfeiture exposure
- Mortgages, caveats and the expiry profile
Exploration record
- Commodities targeted
- Iron 11
- Where they worked
- Shire of Ashburton 10, Shire of East Pilbara 1
- Also filed as
- Hamersley Exploration Pty Limited · Hamersley Exploration Pty Ltd
- Work on record
- Aerial EM surveys 2 · Aerial magnetic surveys 2 · Aerial radioactivity surveys 2 · Ground gravity surveys 2 · RC drilling 2 · Aboriginal site surveys 1 · Aerial geophysical surveys 1 · Geophysical logging 1
- Resource declared
- Never on this record
- Downloadable data
- 5 of 11 reports include a digital package
- Reports with no exploration
- 4 of 11 record no work done
- Report types
- Annual 9 · Final Surrender 1 · Partial Surrender 1
Reports filed
| Report | Year | Project | Title |
|---|---|---|---|
| A124963 | 2020 | Mount Margaret | Mt Margaret Project Combined Annual Report Exploration Licences 47/475 and 47/585 for the period ending 20/08/ |
| A124114 | 2020 | Koodaideri | Koodaideri 05 Surrender Report Exploration Licence 47/525 (GDSR 7151) for the period ending 21/05/2020 |
| A123564 | 2020 | Wonmunna East | Wonmunna East Annual Report Exploration Licence 47/622 (GDSR 7118), 1 April 2019 to 31 March 2020 |
| A122368 | 2020 | Panhandle 01 | Panhandle 01 Annual Report Exploration Licence 47/30 (GDSR 7069) For the Period 18 December 2018 to 17 Decembe |
| A121109 | 2019 | Mount Margaret | C43/1997 Mt Margaret Project Combined Annual Report Exploration Licences 47/475 and 47/585 (GDSR 7011) for the |
| A120479 | 2019 | Brockman West | C42/1997 Brockman West Project Area Combined Annual Report for Exploration Licences 47/472, 47/780 & 47/942 (G |
| A120055 | 2019 | Koodaideri | Koodaideri 05 Voluntary Partial Surrender Report Exploration Licence 47/525 (GDSR 6980) For the Period 27 June |
| A118746 | 2019 | Panhandle | Annual Report for Exploration Licence 47/30 Panhandle Project for the period 18 December 2017 to 17 December 2 |
| A117787 | 2018 | Mount Margaret | Mt Margaret Project Combined Annual Report Exploration Licences 47/475 and 47/585 (C43/1997) – (GDSR 6837) For |
| A107203 | 2015 | Brockman Valley | Brockman Valley Project Area Combined Annual Report Exploration Licences 47/47, 47/661, and 47/1054 (C17/2004) |
| A96946 | 2013 | Koodaideri | KOODAIDERI PROJECT AREA COMBINED ANNUAL REPORT (C20/1992) EXPLORATION LICENCES 47/328, 47/421, 47/487, 47/525, |
Named projects
Project names Hamersley Exploration Pty Limited used in their reports, with the shire each sits in.
Watching what Hamersley Exploration Pty Limited does next?
NextMaps tracks every WA tenement move as it registers: new applications, transfers, surrenders and status changes. Open the live map to see their current holdings against the full register record. With Premium, a holder alert emails you when this company pegs, drops or trades ground.
See their ground on the mapTenure 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.