REG - Rio Tinto - Changes to Pilbara Mineral Resources

Rio TintoAnnouncement

28/02/2019 07:05

RNS Number : 3535R
Rio Tinto PLC
28 February 2019
 


Changes to Pilbara Mineral Resources 
 
28 February 2019
 
On 28 February 2019 Rio Tinto announced to the Australian Securities Exchange (ASX) increases in Mineral Resources at its Pilbara iron ore operations in Western Australia.
 
This announcement was made in accordance with the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves, 2012 (JORC Code) and the ASX Listing Rules. A copy of the full announcement is available on Rio Tinto's website at www.riotinto.com/reservesandresources.
 
In 2018, technical work was conducted across multiple deposits with over 700,000 m drilled. A portion of this has contributed to the significant changes in the following Mineral Resources:
 







Mineral Resources




Music Hall / Old Vic


First reporting of Mineral Resources for Music Hall and Old Vic has added to Hamersley Iron:
·      225 Mt of Marra Mamba ore; and
·      58 Mt of Detrital ore.




Western Hill


Update to the Mineral Resources for Western Hill has added to the Robe River JV:
·      112 Mt of Brockman ore;
·      42 Mt of Brockman Process ore; and
·      12 Mt of Detrital ore.



 
Changes in Mineral Resources estimates at Rio Tinto's Pilbara iron ore operations between 31 December 2017 and 31 December 2018 are as follows:
 







Tonnage (Mt)




2017 Mineral Resources


22,538




Music Hall / Old Vic increases


283




Western Hill increases


166




Net amount of other changes


332




2018 Mineral Resources


23,319



 
Rio Tinto's Mineral Resources are set out in full in its annual report released on 28 February 2019. Mineral Resources are reported as dry in-situ tonnages in addition to Ore Reserves.
 
 
 
                                                
Contacts
 
media.enquiries@riotinto.com 
 
riotinto.com 
 
Follow @RioTinto on Twitter







Media Relations, United Kingdom
Illtud Harri
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David Outhwaite
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Media Relations, Americas
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Media Relations, Asia
Grant Donald
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M +65 9722 6028
 


Media Relations, Australia
Jonathan Rose
T +61 3 9283 3088
M +61 447 028 913
 
Matt Chambers
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M +61 433 525 739
 
Jesse Riseborough
T +61 8 6211 6013
M +61 436 653 412




 
Investor Relations, United Kingdom
John Smelt
T +44 20 7781 1654
M +44 7879 642 675
 
David Ovington
T +44 20 7781 2051
M +44 7920 010 978
 
Nick Parkinson
T +44 20 7781 1552
M +44 7810 657 556
 


 
Investor Relations, Australia
Natalie Worley
T +61 3 9283 3063
M +61 409 210 462
 
Rachel Storrs
T +61 3 9283 3628
M +61 417 401 018




 
Rio Tinto plc
6 St James's Square
London SW1Y 4AD
United Kingdom
 
T +44 20 7781 2000
Registered in England
No. 719885


 
Rio Tinto Limited
Level 7, 360 Collins Street
Melbourne 3000
Australia
 
T +61 3 9283 3333
Registered in Australia
ABN 96 004 458 404



 




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