Company said new technology will help the DRC mine achieve its 2018 production guidance of 730,000 ounces, despite challenges posed by the country's new mining code.
They said they expected authorities to realize the sliding scale they propose would be a more effective mechanism for the government to share in higher commodity prices than the windfall tax and strategic minerals scheme included in the new code.
With Russian aluminium producer Rusal imploding in the wake of U.S. sanctions against its oligarch owner Oleg Deripaska, attention is now turning to the status of another Russian industrial powerhouse, Norilsk Nickel.