Rio Tinto strikes $5bn deal for Mongolia copper mine expansion
Rio Tinto has reached agreement with the government of Mongolia to press ahead with the $5bn (£3.2bn) expansion of the Oyu Tolgoi copper and gold mine.
Rio Tinto has reached agreement with the government of Mongolia to press ahead with the $5bn (£3.2bn) expansion of the Oyu Tolgoi copper and gold mine.