EXPLORATION & DEVELOPMENT

Oyu Tolgoi to produce less copper

RIO Tinto and Turquoise Hill Resources have completed the updated feasibility study for the Oyu Tolgoi underground project in Mongolia.

The Oyu Tolgoi copper mine in Mongolia

The Oyu Tolgoi copper mine in Mongolia

The study confirms a delay of 21-29 months for first production and an increase of US$1.3 billion-1.8 billion on the original $5.3 billion capital costs. The updated study incorporated a new mine design...

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