uranium

Barrick Gold says it has found uranium in the drinking water of an open section of its Lumwana copper mine in Zambia, forcing it to halt the water supply and switch to other water sources for its workers in the section. The Zambian mine has become increasingly important to Barrick’s future. The Toronto-based company has announced plans for a US$2-billion expansion at Lumwana to create one of the world’s biggest copper mines, with construction to begin late…