The pre-feasibility study estimates Cactus could produce about 103,000 tonnes of copper annually over the first 10 years of a 22-year life.

With a strong resource base and robust economics, Arizona Sonoran is positioned to become a cornerstone of U.S. copper ...

GeologicAI, the global leader in High-Resolution Decision Engineering for the critical minerals sector, today announced a strategic partnership with and investment in Edge Copper (formerly Plata ...

Fox News senior national correspondent William La Jeunesse reports from deep inside an Arizona copper mine amid the Trump ...

One of the most advanced pre-construction copper projects in the U.S. is building for the clean energy future. Copper is one of the most essential materials in the clean energy tr ...

The project lies roughly 25km south-west of the Resolution porphyry copper-molybdenum deposit owned by Rio Tinto and BHP.

A U.S. appeals court has temporarily blocked the transfer of federal forest land in Arizona to a pair of international companies that plan to mine one of the largest copper deposits in North America.

President Trump this week threw his full support behind a massive project to turn a sacred Apache site outside Phoenix into one of the world's largest copper mines, meeting with mining executives at ...

WASHINGTON (AP) — The Supreme Court on Tuesday rejected an appeal from Apaches who are fighting to halt a massive copper mining project on federal land in Arizona that they hold sacred. The justices ...

In the midst of a bleak economy and big losses in construction jobs, Arizona's copper star is shining brightly. Employment in the state's copper industry increased 25 percent last year, according to ...