Consumer products sold across the globe could contain traces of the metal produced by informal Congolese mines, who employ children as young as seven, says Amnesty International.
The indefinite suspension of the Picadilly mine, in Canada's New Brunswick, is expected to cut the company's capital costs by $50 million in 2016 and $135 million over the next two years.
Randgold Resources has expanded its operations in Congo following the success of the Kibali gold mine, which will lead to the miner exceeding its full year production guidance for the mine in 2015.
The announcement comes as the company is laying off about 50 workers in Lynchburg, Virginia, a bit more than half the jobs it has cut in the US as of late.
Mexico’s biggest copper producer is leveraging its relatively low debt and strong profit margins to invest more than $4.6 billion expanding some of its mines.