Rio Tinto wants a piece of Teck’s copper project in Chile

The world’s second largest miner, Rio Tinto, (ASX, LON:RIO) is said to be preparing an offer for a minority stake in Teck Resources’ (TSX:TECK.A | TECK.B)(NYSE:TCK) Quebrada Blanca copper mine in northern Chile. Canada’s largest diversified miner, which in August received...