New partial roasting process to purify contaminated copper and gold concentrates

The group said it will consider the base metals business demerger at a later stage.

In 2017, El Salvador became the first country in the world to ban forms of metals mining.

Global gold production will peak at about 3,250 tonnes (105 million oz.) next year, according to CRU's Oliver Blagden.

With a personal investment of $225 million on the line, much is at stake for Rob McEwen with the success of McEwen Copper’s flagship Los Azules project in Argentina.