Oyu Tolgoi funding estimate raised by $1.2bn
Canadian miner Turquoise Hill Resources said on Thursday the estimated additional funding required for the Oyu Tolgoi mine in Mongolia was now $1.2-billion higher than previously expected due to some delays.
Oyu Tolgoi, one of the world's largest copper/gold/silver mines, was at the center of a long-running funding spat between Rio Tinto, and Turquoise.
Costs for expansions at the mine have ballooned over time and caused friction between the two companies. The Mongolian government holds a 34% stake in the Oyu Tolgoi project with Rio's majority-owned Turquoise owning the rest.
Delays in underground mining as well as open-pit metal deferring have caused an increase in estimated incremental funding requirement to $3.6-billion from the $2.4-billion expected in July.
Metal production from open-pit mining is expected to be delayed to beyond 2024, the company said, partly due to on-going impacts of on-site Covid-19 curbs that has resulted in delayed waste movement.
Underground development progress was also hit by the Covid-19 constraints on-site and in Mongolia, Turquoise Hill added.
The company also said its copper production rose 16% to 41 935 t in the third quarter from a year ago, while gold more than tripled to 130 799 oz.
It also said copper and gold production guidance for 2021 remains within the ranges of 150 000 t to 180 000 t and 400 000 oz to 480 000 oz, respectively.
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