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 desecration ...

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

Uranium transport from the Pinyon Plain Mine south of the Grand Canyon has only been steadily underway for about two weeks.

Development of Rio Tinto RIO.L, RIO.AX and BHP's BHP.AX massive Resolution Copper mine in Arizona is on hold, having faced opposition from Native Americans.

"Through a combination of hard work and the efforts of the Arizona mining team, the Super Champ is quickly demonstrating the potential to be a significant cost-effective gold/silver producer ...

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 ...

Mako Mining Corp. is a publicly listed gold mining, development and exploration company. The Company operates the high-grade San Albino gold mine in Nueva Segovia, Nicaragua, which ranks as one of ...

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 ...