NextMaps›WA Explorers›Rio Tinto Exploration Pty Ltd

Rio Tinto Exploration Pty Ltd

Holds ground today
Reports lodged
648
Tenements held
90
898,146 ha
Holding since
2017
Active
30yrs
1997 to 2026
Areas worked
15
most in Shire of East Pilbara
Owner
Rio Tinto
ASX:RIO
Last reported
2026
this year
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Where Rio Tinto Exploration Pty Ltd has reported
+10 more local government areas

Who owns Rio Tinto Exploration?

Rio Tinto Exploration 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:

Hamersley Iron Pty. Limited 180Robe River Mining Co. Pty. Ltd. 174North Mining Limited 171Rio Tinto Winu Pty Limited 33Hamersley Resources Limited 28Hamersley 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 305 · Diamond 125 · Copper 101 · Base Metals 70 · Gold 60 · Uranium 37 · Mineral Sands 19 · Nickel 18
Where they worked
Shire of East Pilbara 174, Shire of Ashburton 169, Shire of Meekatharra 68, Shire of Wyndham-East Kimberley 57, Shire of Derby-West Kimberley 36, Shire of Wiluna 31, Shire of Broome 12, Shire of Murchison 11, Shire of Halls Creek 10, Shire of Upper Gascoyne 10
Also filed as
Rio Tinto Exploration Pty Limited · Rio Tinto Exploration Limited · Rio Tinto Exploration Pty Ltd
Programs on record
212 drilling · 219 geochemistry · 288 geophysics
Resource declared
Yes, in 19 reports
Downloadable data
416 of 648 reports include a digital package
Reports with no exploration
60 of 648 record no work done
Report types
Annual 395 · Final Surrender 204 · Partial Surrender 44 · Core Library Drilling 3 · Non-statutory 2
Reports by decade
561990s
3142000s
1482010s
1292020s

Reports filed

648 WAMEX exploration reports lodged by Rio Tinto Exploration Pty Ltd.
Most recent reports
ReportYearProjectTitle
A154904 2026 Citadel Final Surrender Report E45/4213 & E45/4214 Citadel for the period ending 23/04/2026.(C58/2007)
A153060 2025 Perry Creek North Perry Creek North Compulsory Partial Surrender Report Exploration Licence 52/3649 for the period ending 28/11/
A149928 2025 West Wits Mineral Exploration Partial Surrender Report for E45/5045 for the period ending 27/05/2025
A149597 2025 Chillarrina Pool Chillarrina Pool Surrender Report Exploration Licence 47/4182 (GDSR RTIO-1122420) for the period ending 4 July
A149112 2025 Chadwin Mineral Exploration Surrender Report for P16-3432 Chadwin Project for the period ending 12/5/2025
A149111 2025 Chadwin Mineral Exploration Surrender Report for P16-3431 Chadwin Project for the period ending 12/5/2025
A148751 2025 Telfer Domain 32712 Mineral Exploration Final Surrender Report for E45/4834 – Telfer Domain for the period ending 30 April 2
A148726 2025 Mt Webb Mineral Exploration Final Surrender Report for E80-5486 Mt Webb for the period ending 15/04/2025.
A148554 2025 Camel Mineral Exploration Final Surrender Report for E45/5560 for the period ending 7/4/2025
A148549 2025 Winu Mineral Exploration Final Surrender Report for E45/5212 Winu Project for the period ending 07/04/2025
A148217 2025 Dundas 2 32684 Mineral Exploration Surrender Report for E63/1980 – Dundas 2
A148216 2025 Dundas 3 Mineral Exploration Surrender Report for E63/1979 – Dundas 3
A146042 2025 Winu Mineral Exploration Partial Relinquishment Report for E45/5121 for the period 15 October 2019 to 10 October 20
A146040 2025 Winu Mineral Exploration Partial Relinquishment Report for E45/5120 Winu for the period ending 20/12/2024.
A145680 2024 Shaw River North Mineral Exploration Surrender Report for E45/5766 – Shaw River North
A145660 2024 Shaw River E45/5589 Mineral Exploration Surrender Report for E45/5589 – Shaw River (22 November 2022 to 20 November 2024)
A145639 2024 Waddabunna Waddabunna Surrender Report Exploration 52/3625 (GDSR RTIO-1086009) for the period 5 November 2018 to 22 Octob
A145637 2024 George Well 2 George Well 2 Surrender Report Exploration Licence 47/4304 (GDSR RTIO-1091083) for the period 19 December 2019
A145449 2024 Winu Mineral Exploration Final Surrender Report for E45/5454 Winu Project for the period ending 23/10/2024.
A145152 2024 Paterson South Partial Surrender Report for Tenement E45/5122 for the period 20 August 2018 to 19 August 2024
Report numbers filed by Rio Tinto Exploration Pty Ltd
A154904 2026, A153060 2025, A149928 2025, A149597 2025, A149112 2025, A149111 2025, A148751 2025, A148726 2025, A148554 2025, A148549 2025, A148217 2025, A148216 2025, A146042 2025, A146040 2025, A145680 2024, A145660 2024, A145639 2024, A145637 2024, A145449 2024, A145152 2024, A144967 2024, A144966 2024, A144886 2024, A144682 2024, A144441 2024, A144438 2024, A144434 2024, A144059 2024, A143512 2024, A143412 2024, A143411 2024, A143169 2024, A142993 2024, A142976 2024, A142914 2024, A138879 2024, A138310 2024, A137792 2023, A137246 2023, A136282 2023, A136017 2023, A135980 2023, A135972 2023, A135682 2023, A135665 2023, A135527 2023, A135517 2023, A135516 2023, A135515 2023, A135514 2023

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 Rio Tinto Exploration Pty Ltd does next?

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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.