Lower Copper Price Leads To Higher Costs And Reduced Forecasts For Newcrest

ANALYSTS reviewing Newcrest Mining's quarterly production report have expressed concerns about rising costs.

Rio Adds Former Bhp Copper Deposit

RIO Tinto has added another former BHP Billiton copper project to its portfolio by agreeing to spend up to $US203 million ($A230 million) to gain control of the Taca Taca deposit in Argentina.