Mitsubishi is putting up nearly $600 million to become a partner in an Arizona copper mine that aims to produce finished ...

Oak Flat in Arizona is at the center of a struggle that's going on three decades. Here's everything that has happened with the proposed copper mine.

The Johnson Camp Mine in Cochise County has reopened through a partnership between British-Australian mining company Nuton ...

90.8% Voter Support for Mining Education Underscores Industry's Role as Economic Solution TUCSON, Ariz., Dec. 4, 2025 /PRNewswire/ -- A fourth annual survey, released in partnership by the Arizona ...

In the 16th century, the Spanish came north from New Spain in search of treasure, especially silver and gold. In 1540 ...

1. General and Administrative Cost inclusive of property tax. 2. After-tax payback period from the start of operations in 2029. The planned site layout provides for a compact surface footprint of less ...

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 ...

TUCSON, Ariz., Dec. 4, 2025 /PRNewswire/ -- A fourth annual survey, released in partnership by the Arizona Mining Association and the University of Arizona School of Mining Engineering & Mineral ...

Advanced United States Copper Project on Private Land with an After-Tax Net Present Value 8% of $1.9 Billion and a 24.0% Internal Rate of Return at Current COMEX Copper Price Updated Reserves and Mine ...