Congo estimates that the Rubaya mine needs $50 million to $150 million to restart and ramp up commercial output.

A landslide last week killed at least 200 people in eastern Congo at a rebel-controlled coltan mine and families of the ...

DR Congo has added the rebel-held Rubaya coltan mine to a strategic shortlist shared with the United States, opening the door ...

The supply chain for coltan and other strategic minerals is long, opaque and deliberately fragmented. Each layer adds ...

A landslide earlier this week collapsed several mines at a major coltan mining site in eastern Congo, leaving at least 200 people dead, rebel authorities said Saturday. The collapse took place ...

RUBAYA, Congo (AP) — Nestled in the green hills of Masisi territory in Congo, the artisanal Rubaya mining site hums with the sound of generators, as hundreds of men labor by hand to extract coltan, a ...

A landslide last week collapsed tunnels at a major coltan mining site in eastern Congo, leaving at least 200 people dead.

A massive landslide this week killed at least 200 people in the Rubaya mine in the eastern DR Congo province of North Kivu, ...

GOMA, Congo (AP) — At least 200 people were killed earlier this week when a landslide collapsed several mines at a major coltan mining site in eastern Congo, rebel authorities said Saturday. The ...

, REUTERS -Rwandan company Boss Mining Solution bought minerals smuggled from rebel-held areas of neighboring Congo, helping fund an insurgency in that vast African country, according to a ...

The Democratic Republic of Congo added the rebel-held Rubaya coltan mine, one of the world's richest tantalum deposits, ...