To get to Clifton, you have to really want to get to Clifton. The nearest big city is Tucson, about three hours away. After spending the night at an uncharacteristically ratty Holiday Inn Express in ...

Mitsubishi is putting up nearly $600 million to become a partner in an Arizona copper mine that aims to produce finished copper cathode on American soil. The project is expected to create thousands of ...

James Colquhoun, a skilled metallurgist renowned for his innovation in porphyry copper production, started out as an assayer for the Arizona Copper Co. and also for non-company affiliates. He charged ...

Spanning over 60,000 acres, the Morenci copper mine in eastern Arizona — one of the largest-open-pit mines in the world — produces hundreds of millions of tons of copper ore each year. But the steep ...

A “Hold” Rating for Shares of Arizona Metals Corp. In this analysis, we reiterate our “Hold” rating on the US-listed shares of Arizona Metals Corp. (OTCQX:AZMCF). This rating is consistent with our ...

As the Arizona Trail winds past the proposed Oak Flat copper mine, the search for climate solutions takes on new meaning.

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 ...

Arizona mining districts originated prior to the formation of Arizona as a territory in 1863. Except for having to pay tribute to a monarch, these self-governing regulations followed the tradition of ...

Follow a hidden Arizona trail that takes you to a little-known ghost town, where history and desert landscapes create a ...

PHOENIX – Arizona’s Republican Senate president is hoping the Trump administration will undo actions by former presidents that curtail uranium mining in the state. Last week, state Sen. Warren ...