Miners turn to bacteria and other new ways to leach copper from waste rock
By Ernest Scheyder (Reuters) – Rio Tinto Ltd, Freeport-McMoRan Inc and other global miners, spurred by rising prices and demand, are deploying a raft of …
leach
By Ernest Scheyder (Reuters) – Rio Tinto Ltd, Freeport-McMoRan Inc and other global miners, spurred by rising prices and demand, are deploying a raft of …