The Clifton-Morenci mining district in eastern Arizona is sometimes referred to as the Copper Mountain mining district. But while known mainly for copper deposits, it also produced uncommon minerals.

Extensive exploratory drilling further revealed the mining potential of the low-grade sulfide Clay ore body at Morenci which had been explored by the Detroit Copper Co. and the Arizona Copper Co ...

Benzinga's options scanner spotted 19 options trades for Freeport-McMoRan. This is not a typical pattern. The sentiment among these major traders is split, with 52% bullish and 42% bearish. Among all ...

The group Apache Stronghold is vowing to carry on the fight against a massive copper mining project on land the Apaches hold ...

A recent permit rejection by the EPA threatened to stall the zinc-manganese mining project near the Arizona-Mexico border.

Administrator Lee Zeldin directed the state agency to rework the permit to address concerns raised by environmental groups.

Nine Arizona-based companies appear on the freshly released 2025 edition of the prestigious Fortune 500 list of the largest public companies in the nation, ranked by revenue.

The acquisition includes two Arizona copper mining properties, Antler and Javelin, potentially creating new jobs. The Antler project is expected to produce approximately 33,000 U.S. tons of copper ...

The U.S. Supreme Court declined on May 27 to hear an appeal from a group of Apaches and others who wanted to block a copper ...