NextMaps›WA Explorers›Hamersley Iron Pty Ltd

Hamersley Iron Pty Ltd

Holds ground today
Reports lodged
750
Tenements held
291
724,373 ha
Holding since
1991
Active
57yrs
1969 to 2025
Areas worked
3
most in Shire of Ashburton
Owner
Rio Tinto
ASX:RIO
Last reported
2025
1 year ago
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Where Hamersley Iron Pty Ltd has reported

Who owns Hamersley Iron?

Hamersley Iron is a subsidiary of Rio Tinto (ASX:RIO). The group is named as a holder on 521 live Western Australian tenements.

The other companies Rio Tinto holds ground through, with the live tenements each is named on:

Robe River Mining Co. Pty. Ltd. 174North Mining Limited 171Rio Tinto Winu Pty Limited 33Hamersley Resources Limited 28Rio Tinto Exploration Pty Limited 27Hamersley Exploration Pty Limited 23Galaxy Lithium Australia Pty Ltd 15Hamersley WA Pty Ltd 15Galaxy Resources Pty Ltd 10Hamersley Iron-Yandi Pty Limited 9Mount Bruce Mining Pty Limited 6Argyle Diamonds Pty Limited 5Allkem Financial Services Pty Ltd 1Kerrigup Resources Pty Limited Rio Tinto Limited

From Rio Tinto's consolidated entity disclosure statement, as at 2025-12-31.

Exploration record

Commodities targeted
Iron 740 · Diamond 13 · Gold 9 · Base Metals 5 · Water 2
Where they worked
Shire of Ashburton 581, Shire of East Pilbara 149, Shire of Meekatharra 20
Also filed as
Hamersley Iron Pty. Limited · Hamersley Iron Pty Ltd · Hamersley Iron Pty Limited · Hamersley Iron Pty Ltd.
Programs on record
276 drilling · 138 geochemistry · 262 geophysics
Resource declared
Yes, in 112 reports
Downloadable data
213 of 750 reports include a digital package
Reports with no exploration
70 of 750 record no work done
Report types
Annual 612 · Final Surrender 105 · Partial Surrender 28 · Non-statutory 3 · Core Library Drilling 2
Reports by decade
11960s
81970s
321980s
3491990s
2662000s
532010s
242020s

Reports filed

750 WAMEX exploration reports lodged by Hamersley Iron Pty Ltd.
Most recent reports
ReportYearProjectTitle
A148727 2025 Railway Railway Project Area Surrender Report for the period ending 17/4/2025, Prospecting Licences 47/1559, 47/1560,
A143093 2024 Railway C80/2017 Railway Project Area Combined Annual Report for the period ending 26 April 2024 (RTIO-1051086)
A135718 2023 Caliwingina Gap 4 Caliwingina Gap 4 Partial Surrender Report Exploration Licence 47/2770 (GDSR RTIO-1004113) for the period 18 J
A135409 2023 Railway Railway Project Area Combined Annual Report C80/2017 (GDSR RTIO-0995905) for the period ending 26/4/2023
A132010 2022 NAP 1 NAP 1 Voluntary Surrender Report Exploration Licence 47/4473 (GDSR RTIO-0208635) for the period ending 29/07/2
A131499 2022 Caliwingina Gap 3 Caliwingina Gap 3 Voluntary Surrender Report Exploration Licence 47/2771 (GDSR RTIO-0206603) for the period en
A130912 2022 Railway Railway Project Area Combined Annual Report Prospecting Licences 47/1559, 47/1560, 47/1561, 47/1562, 47/1563,
A129150 2021 Enterprise North Enterprise North Surrender Report Exploration Licence 47/4048 for the period 30 August 2018 to 7 December 2021
A128729 2021 Metro North Metro North Surrender Report Exploration Licence 47/4244 (GDSR 7417) for the period 9 September 2019 to 5 Octo
A128382 2021 Brockman 3 East Brockman 3 East Voluntary Partial Surrender Report Exploration Licence 47/4049 for the period 28 February 2019
A127539 2021 Caliwingina Gap 5 Caliwingina Gap 5 Compulsory Partial Surrender Report For the Period 23 June 2015 to 31 May 2021, Exploration
A127136 2021 Railway Railway Combined Annual Report for the period ending 26/4/2021 Prospecting Licences 47/1559, 47/1560, 47/1561,
A125538 2020 Mount Turner Mt Turner Surrender Report Exploration Licence 47/4203 (GDSR 7252) for the period ending 03/11/2020
A125482 2020 Mount Brockman Mount Brockman Project Area Combined Annual Report Exploration Licences 47/4219, 47/4220 and 47/4221 for the p
A125068 2020 Ophthalmia Dam Ophthalmia Dam Annual Report Exploration Licence 52/1894 (GDSR 7213) for the period ending 09/09/2020
A124436 2020 Leisker Leisker Project Annual Report Exploration Licence 47/1329 (GDSR 7176) for the period ending 30/06/2020
A123832 2020 Railway Railway Combined Annual Report Prospecting Licences 47/1559, 47/1560, 47/1561, 47/1562, 47/1563, 47/1564 & 47/
A123530 2020 Pinarra Pinarra Annual Technical Report for Exploration Licence 47/1277 (GDSR 7131), 31 March 2019 to 30 March 2020
A123394 2020 Deadman Hill C117/2004 Deadman Hill Project Area Combined Annual Report Exploration Licences 52/1617, 52/1690 and 52/3649 (
A123110 2020 Brockman 3 East Brockman 3 East Annual Report Exploration Licence 47/4049 (GDSR 7100), 28th February 2019 to 27 February 2020
Report numbers filed by Hamersley Iron Pty Ltd
A148727 2025, A143093 2024, A135718 2023, A135409 2023, A132010 2022, A131499 2022, A130912 2022, A129150 2021, A128729 2021, A128382 2021, A127539 2021, A127136 2021, A125538 2020, A125482 2020, A125068 2020, A124436 2020, A123832 2020, A123530 2020, A123394 2020, A123110 2020, A122762 2020, A122438 2020, A122313 2020, A122293 2020, A121838 2019, A121446 2019, A121270 2019, A120511 2019, A120479 2019, A120110 2019, A120027 2019, A120010 2019, A120005 2019, A119890 2019, A119789 2019, A119762 2019, A119761 2019, A119305 2019, A118798 2019, A118584 2018, A118554 2018, A117756 2018, A116849 2018, A116774 2018, A116601 2018, A116473 2018, A116127 2018, A116113 2018, A116077 2018, A115864 2018

Named projects

Following this company's ground? The record above is what they have explored and reported. The checks below are what they hold now: which tenements are in their name, what they have bought and sold, and whether that ground is meeting its expenditure commitments.

Current tenure & dealings Free account

Holds WA ground today
Yes · on the current register
Tenements held today
Total ground held
Acquisitions & disposals
Counterparties

Portfolio intelligence Premium

Portfolio expenditure compliance
Dormant ground
Forfeiture exposure
Encumbered tenements
Expiry profile

Watching what Hamersley Iron Pty Ltd 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.

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Tenure data sourced from the DMPE public registers and SLIP WA (© Government of Western Australia, CC BY 4.0), as at . Compiled by NextMaps. Verify against primary sources before reliance.