Both Glencore and Rio own some of the best copper mines in the world. However, Rio — like BHP — still depends heavily on iron ore to drive its profits, at a time when China’s decades-long construction ...
Rare earths, a group of 17 metallic elements including the lanthanides and yttrium, are relatively plentiful in the earth’s crust. But they are typically quite dispersed and not found in high enough ...