Newcrest eyes deeper mines, smaller footprint with block caving
Newcrest is tapping big data and block caving to delve deeper into the earth's crust for mineral riches that just a handful of years ago would have been too costly to extract.
The price of iron ore slumped to a 7-week low and metallurgical coal traded at its lowest level since August on predictions of a massive spike in exports from top producer Australia.