Chile’s Escondida mine to bring BHP, Rio higher than expected dividends

[caption id="attachment_798127" align="aligncenter" width="600"] Escondida mine.[/caption] A copper bonanza seems to be in the cards for mining giants BHP Billiton (ASX:BHP) and Rio Tinto (LON:RIO) as their co-owned Chilean operation Escondida, the world's largest producing copper mine, may “substantially” increase total output...