Antofagasta PLC UPDATED MINERAL RESOURCES (7200O)
14 Junio 2022 - 01:00AM
UK Regulatory
TIDMANTO
RNS Number : 7200O
Antofagasta PLC
14 June 2022
NEWS RELEASE, 14 JUNE 2022
UPDATED MINERAL RESOURCES
Antofagasta plc (the Company") announced maiden figures for the
Encierro deposit and provided an update on its Cachorro deposit
during the Prospectors and Developers Association of Canada
("PDAC") conference in Toronto on 13 June.
Encierro deposit
The Company announced inaugural details of the Encierro project
in the Chilean High Andes, 100 km east of the city of Vallenar and
600km north of Santiago. The deposit is a complex Miocene porphyry
copper system displaying hypogene mineralisation with distinct
sulfide and alteration zoning.
The Encierro deposit is held in a joint venture with Barrick
Gold. Antofagasta holds the majority share and operates the
exploration programme.
During 2016 to 2021 diamond drilling completed by the Company
identified a significant deposit containing 522Mt of Inferred
Resources(1) at 0.79%CuEq (0.65% copper, 0.22g/t gold and 74 ppm
molybdenum).
Cachorro deposit
The Company also provided an update on its wholly-owned Cachorro
project, announcing that further in-fill drilling has increased the
deposit size to 155Mt Inferred Resources(1) of 1.20% copper from
142 Mt of 1.21% copper reported as at the 31 December 2021.
The deposit is in the western Atacama Desert in northern Chile,
100 km north-east of the city of Antofagasta and 1,100km north of
Santiago. It lies between the Company's Antucoya and Centinela
operations and may benefit from the use of their facilities.
The deposit consists of manto-type sulphides, mostly
chalcopyrite and bornite and some oxides.
Cachorro remains open laterally and additional drilling will be
carried out during the rest of this year.
1 Compliant with the Australasian Joint Ore Reserves Committee
Code for Reporting of Exploration Results, Minerals Resources and
Reserves 2012 edition (JORC Code). A cut-off grade of 0.5% copper
has been applied.
The geological model and resource estimation of the Cachorro and
Encierro deposits have been reviewed and validated by registered
Competent Person (Chile) Mr. Osvaldo Galvez.
Investors Media - London
- London
Andrew Lindsay alindsay@antofagasta.co.uk Carole Cable antofagasta@brunswickgroup.com
Telephone +44 20 7808 0988 Telephone +44 20 7404 5959
Rosario Orchard rorchard@antofagasta.co.uk
Telephone +44 20 7808 0988 Media - Santiago
Pablo Orozco porozco@aminerals.cl
Carolina Pica cpica@aminerals.cl
Telephone +56 2 2798 7000
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END
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