Brazil mining regulator says operations suspended at 54 unsafe tailings dams

The ruling removes the last major obstacle for the $250 million project, located 150 km northeast of Guayaquil.

A court in Belo Horizonte ruled that state prosecutors failed to prove that "individual actions" directly contributed to the collapse of the dam.

The world's biggest listed miner will be hosting analysts and investors on a roadshow of its Escondida and Spence copper operations from Nov. 17-20.

The Johannesburg-based gold miner is shifting focus to advancing its new Salares Norte mine in Chile.