Its Nuton bioleaching technology, developed in partnership with Arizona Sonoran Copper (TSX: ASCU), aims to recover copper from tailings. The Resolution copper mine is among several projects ...

The Arizona Department of Environmental Quality air quality permit was issued for Copper World, an open-pit mine complex that ...

Environmental and community groups have appealed the Arizona Department of Environmental Quality’s decision to grant an air ...

Donald Trump’s return as US President promises a change in fortune for stalled US mine developments Key among them is Rio and BHP’s Resolution copper JV in Arizona Which other ASX explorers in ...

We want to highlight copper's superior conductivity and that makes ... And following completion of the smelter ramp-up, our Indonesian mine and smelting operations will be fully integrated.

Donald Trump’s return as US President promises a change in fortune for stalled US mine developments Key among them is Rio and BHP’s Resolution copper JV in Arizona Which other ... including a tailings ...

SUPERIOR, Ariz. - U.S. Rep. Raul Grijalva has introduced a bill to keep the U.S. Forest Service from turning over land in Arizona for a massive copper mine. The parcel of land in the Tonto ...

Most copper mined in the U.S. comes from Arizona. But President Donald Trump’s surprise announcement that he will halt ...

Most copper mined in the U.S. comes from Arizona. But President Donald Trump’s surprise announcement he will halt production ...