With the expansion, Escondida is targeting an average output of 1.2 million tonnes a year over the next decade, up from about 940,000 tonnes it produced last year.
Illegally acquired and exported gold from the mineral-rich eastern Congo keeps filling the pockets of some foreign companies as well as armed groups, a new report shows.
More than 300 Dominion Diamond employees and contract workers are at risk of being laid off at the Ekati diamond mine after a fire at the mine's processing plant on June 23.
The price increase comes as iron ore major Rio Tinto decided to put its Simandou project in Guinea on ice due to the iron ore glut that is keeping a lid on prices.