Add Yahoo as a preferred source to see more of our stories on Google. Mine shafts 10, left, and 9, right, tower over the Resolution Copper Mining Company facility, June 9, 2023, in Miami, Ariz. (AP ...

The 9th U.S. Circuit Court of Appeals today denied multiple requests for an injunction to block the Trump administration from transferring Oak Flat to a private mining company. The decision clears the ...

Add Yahoo as a preferred source to see more of our stories on Google. The U.S. Forest Service has released the final environmental review for a huge copper mine proposed 60 miles east of Phoenix, ...

The MarketWatch News Department was not involved in the creation of this content. SUPERIOR, Ariz., Nov. 5, 2025 /PRNewswire/ -- Resolution Copper has reached a major milestone with the completion of ...

A federal judge issued an injunction Friday that further delays the transfer of Oak Flat, an Indigenous religious site in Arizona, to a multi-national company that would make it one of the largest ...

SUPERIOR, Ariz., Aug. 1, 2025 /PRNewswire/ -- Resolution Copper has been awarded the 2025 Safety Award for Small Underground Mine by the Rocky Mountain Mining Institute (RMMI), recognizing the ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Preview this article 1 min Resolution Copper's ambitious ...

President Donald Trump’s plan to slap a 50% tariff on copper imports is exposing the tangled web of regulations that have long stifled America’s ability to mine and refine its critical minerals. While ...

The environmental impact statement for a proposed copper mine east of Phoenix is expected to be released June 16, starting a 60-day period before the plan is final. Tribes and environmental groups ...

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.