Environmentalists and farmers are challenging Arizona's approval of an air pollution permit for Copper World Mine, claiming it's lax on toxic dust.

New World Resources (ASX:NWC) has discovered potentially economic and resource boosting gold at the Antler copper project in ...

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

The return of US President Donald Trump has ASX miners and explorers hopeful it could stoke the development of Arizona's ...

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

Gunnison Copper controls the Cochise mining district, containing 12 known deposits within an 8 km economic radius, in the Southern Arizona copper ... recovery from mined ore and access new sources ...

The Arizona Interscholastic Association has added the “Copper Division,” which will feature the top 16-ranked teams in the 3A, 2A and 1A conferences — essentially an Open Division bracket ...

While Resolution isn’t a near-term prospect, regardless of expedited permits, both BHP and Rio are active elsewhere in Arizona. In April 2023, BHP reported a new copper porphyry system called ...