A U.S. judge on Thursday dismissed some claims in a lawsuit accusing Rio Tinto and its former CEO Jean-Sebastien Jacques of defrauding investors by concealing problems developing the $5.3 billion Oyu Tolgoi copper and gold mine in Mongolia.
U.S. District Judge Lewis Liman in Manhattan addressed recently added claims that Rio Tinto knowingly concealed how it would miss a deadline for “draw bell” blasting, a key milestone, while Jacques hid delays and associated cost overruns.
In a 40-page decision, Liman dismissed the claim against Rio Tinto because it was Turquoise Hill Resources, which owned 66%