Rio Tinto planning Australia’s largest iron ore mine

[caption id="attachment_792158" align="aligncenter" width="600"] BHP Billiton's  Mt Whaleback mine is currently Australia's biggest iron ore mine.[/caption] Mining giant Rio Tinto (ASX, LON:RIO) is said to be fine-tuning details to begin building a new massive pit at its Yandicoogina operation in...