

By Fabian Cambero ESCONDIDA MINE, April 7 (Reuters) - Chile's Escondida, the world's biggest copper mine, said it is banking on a new $4.2 billion con...


(Adds comments by officials) By Marta Nogueira RIO DE JANEIRO, April 6 (Reuters) - Samarco Mineração SA will not receive Brazilian government author...


By Marta Nogueira RIO DE JANEIRO, April 6 (Reuters) - Samarco Mineração SA is unlikely to win Brazilian government authorization to resume iron ore ...