Gecamines copper output has plunged since 1980s and it has failed to internally register $740 million in income between 2011-2014, much of which is now untraceable, the Carter Center said in a report on Friday.
BHP CCO Balhuizen says while 2017 marks "tipping point" for EVs entering mainstream of metals demand forecasting, in terms of sales mass move is further off.
Firm has determined it's not economically viable to extend the life of the diamond mine, which can only be accessed by air year round, or by a winter road for five or six weeks in January and February.
Miner said full-year profit and output was on track despite a third-quarter dip, but its shares slid to a three-month low after its CEO did not rule out seeking arbitration over a tax dispute in Mali.