HILLSBORO — The lonely block house sitting on a hillside beneath Animas Peak near the former Quintana copper mine in Sierra County does not look like a likely location for an imminent industrial boom.

Through the merger, Anglo American's Collahuasi mine in Chile will feed into processing plants at Teck's neighboring operation, creating value across the supply chain. The British Anglo American and ...

March 16 (Reuters) - Rio Tinto said on Monday it has ⁠gained ⁠control of acreage in Arizona needed ⁠to build the Resolution Copper mine, a project slated to become one of the largest U.S. sources of ...

Trump called those opposing the mine ‘Anti-American’ and said the country needs copper ‘NOW!’ Opponents of the mine, including the San Carlos Apache Tribe, said they will never stop fighting to ...

Step inside Arizona’s mining past with a tour that drops you underground and reveals the grit, history, and charm of old Bisbee.

An Arizona land auction for a Canadian mining company's Copper World project faces opposition from residents and Pima County.