President Donald Trump signed an executive order aimed at expediting mining projects on public lands, connecting the issue to ...

according to the University of Arizona’s Lowell Institute for Mineral Resources. Morenci is the biggest haul of all in the state, and the biggest nationwide in many years. Freeport-McMoRan, the ...

They showed up on the official seal before statehood, but not even Arizona's state historian can pinpoint the beginnings of the Five C's.

As a finalist in the NSF Regional Innovation Engine Program, the University of Arizona’s Sustainable Mining Innovation and ...

Resolution Copper wants to dig up a massive amount of copper ore beneath Oak Flat inside the Tonto National Forest. And by ...

Aztec Minerals Corp. (AZT: TSX-V, OTCQB: AZZTF) ("Aztec" or the "Company") announces that recent drilling and 3D data ...

“The track record for this industry is abysmal,” said Taylor McKinnon, who is the southwest director of the environmental ...

While Resolution Copper is taking a proactive approach to meet its tremendous water needs, their actions may still have a ...

President Donald Trump signed an executive order behind closed doors on Thursday that aims to fast-track mining projects ...

Even then, there are no guarantees. Take for example the planned Resolution Copper Mine in Arizona, which has been caught up ...

McIntosh represented Arizona tribes in one such successful lawsuit against the then-proposed Rosemont copper mine south of Tucson, in which the 9th U.S. Circuit Court of Appeals ruled that a ...

The 1910 description implies quartz is the relevant mineral. But the depicted miner is believed to be based on a picture of George Warren, an Arizona prospector whose name is more synonymous with ...