Glencore set to reopen DRC's Mutanda copper/cobalt mine in 2022
May 19, 2021 · GLENCORE is to reopen its Mutanda mine in the Democratic Republic of Congo (DRC) next year, said Reuters citing a source with direct knowledge of the matter.. Mutanda, the world's largest cobalt mine and which also produces large amounts of copper, was mothballed in November 2019 in a context of falling cobalt prices, increased costs, and higher taxes that .