Discovered in Arizona’s Copper Triangle, Oak Flat is home to one of the richest copper deposits in the world. But the battle ...

In recent weeks, you've likely heard a lot about rare-earth substances with hard-to-pronounce names, but experts warn that ...

The U.S. mined about 1.1 million tons of copper in 2024, which is less than the demand in a year. Some of that copper is refined overseas.

If copper isn’t Arizona’s king, it still looks to be a royal growth industry. Major new mines are in various stages of development or environmental haggling, all intended to exploit the metal’s ...

CHEYENNE, Wyo. (AP) — President Donald Trump is taking a step toward granting the U.S. mining industry’s biggest wishes by singling out one metal as a focus of his domestic minerals policy: copper.

Arizona still produces 70% of the nation's ... has sought to build a copper mine under Oak Flat east of Phoenix for more than 20 years. That mine has been opposed by Native peoples ...

Arizona produces three-quarters of America's copper, valued at $6 billion a year, and the industry employs thousands of workers. Opponents of new copper mines worry about pollution and the ...

Only two U.S. smelters process copper, one in Arizona and one in Utah. International mining companies ship copper overseas for processing. President Donald Trump on Tuesday declared that U.S ...

Swiss Resource Capital AG is pleased to welcome Arizona Sonoran Copper Company Inc. (TSX:ASCU)(OTCQX:ASCUF)(ISIN:CA04058Q1054 ...

World Copper (TSXV: WCU ... Located in the Walnut Grove mining district of Arizona, the Zonia project has been held under private ownership for almost 100 years and has undergone extensive ...