Almadex Minerals Ltd. has commenced a diamond drilling program at its New Hope copper-gold porphyry prospect in Arizona, with initial results expected after the Christmas break. The company has also ...

"100 Years of Arizona's Best: The Minerals That Made the State," the exhibition that opens Feb. 4 at the University of Arizona Mineral Museum, will showcase hundreds of gems and minerals. Some, such ...

Minerals have always been held in high regard in Arizona’s history, having been the driving force for settlement and economic expansion throughout the region. William P. Blake, director for the School ...

After the U.S. imposed new tariffs, China responded by restricting exports of several rare earth minerals critical to American defense and medical technologies. To protect national security, the U.S.

Arizona's established copper mining industry and concentration of semiconductor manufacturers position the state as a ...

One of the world’s most productive copper mines is also one of Arizona’s most reliable sources of Rocky Mountain bighorn sheep. The bighorns are not shy about entering the Freeport McMoRan open-pit ...

Hudbay Minerals (NYSE:HBM) +1.8% in early trading Friday after saying the Arizona Department of Environmental Quality approved a key aquifer protection permit for its Copper World project. The ...

Arizona Metals Corp. is rated "Hold." The stock has growth prospects in Arizona, but the share price doesn't show a clear positive underlying trend. Recently, the stock provided valuable insights. The ...

South32’s Hermosa, the first mine in a fast-tracked permitting program, discharged water with levels of a heavy metal that required alerting the state, but neighbors learned about the issue from local ...

Arizona is the only state in the country with an elected state mine inspector. Right now, that person is Les Presmyk.

Happy birthday, Arizona. You get a rock! But what a rock it is: A mineral that ranges in color from yellow to butterscotch to coral, wulfenite is the latest candidate for official state symbol-dom.