Rio Tinto (NYSE:RIO) is betting that President Trump will finally give the green light to its giant Resolution copper mine in ...

Rio Tinto is betting that U.S. President Donald Trump will finally give the green light to its giant copper mine in Arizona, ...

Rio has faced a 12-year permitting battle to develop the Resolution mine, which could meet 25% of the US domestic copper ...

The interest bodes well for ASX-listed copper explorers in Arizona. The most advanced of the Aussie copper plays in Arizona ...

High fences shield the Silverbell Mine, owned by the Asarco subsidiary of Grupo Mexico, just northwest of Tucson. From the ...

S.H. Gould established the mine in 1906 but declared bankruptcy by 1915. The 350 foot-deep-shaft reportedly produced 45,000 ...

While the political playing field has become more favorable for mining, the Republican’s proposals still face hurdles.

Gunnison Copper Corp. (TSX: GCU) (OTCQB: GCUMF) and Rio Tinto venture Nuton LLC have been selected to receive $13.9 million ...

Newly inaugurated President Donald Trump plans executive action that could deepen climate change's impact on Arizona.

Intrepid is pleased that Rio Tinto, one of the world's largest mining companies and copper producers, has shown significant ...

Rio Tinto is betting Donald Trump will finally give the green light to its giant copper mine in Arizona after a 12-year permitting battle, as part of a wave of domestic projects expected to be ...