Ajo holds the distinction of being Arizona’s first open pit mining operation, having begun with the first removal of overburden in December 1916, followed by more aggressive earth movement the ...

("GCC" or the "Company") is pleased to announce the results of a Preliminary Economic Assessment ("PEA") on its 100%-owned Gunnison Project in the Cochise Mining District, Arizona. The Gunnison ...

In the 1800s, gold, silver and copper booms lured miners and immigrants looking for a better life. Though the mines ...

Bisbee's big hole consists of three open pit mines: Sacramento ... More about it: Bisbee AZ is cute, historic and an easy drive from Phoenix. Here's why it's worth visiting ...

The PEA further states that the open-pit design will eliminate the ... exploration sites in Cochise County, Arizona. The Johnson Camp mine, in partnership with Nuton, a venture from major miner ...

where Phoenix-based Freeport-McMoRan operates an open-pit copper mine. Central Asia Metals declined to estimate how many jobs might be created at the Arizona mining locations. A spokesman said the ...

The PEA was completed by M3 Engineering & Technology Corporation ("M3") of Tucson, AZ and is effective as of November 1, 2024. The prior technical report on the Gunnison Project included the Johnson ...

Phoenix, Arizona--(Newsfile Corp. - November 14 ... amendment process to State and Local permits to proceed with open pit mining; Significant benefits for the community and local economy through ...

Phoenix, Arizona--(Newsfile Corp. - December 19 ... amendment process to State and Local permits to proceed with open pit mining; Significant benefits for the community and local economy through ...

Phoenix, Arizona--(Newsfile Corp. - November 14 ... and the greater overall copper extraction afforded by open pit mining and heap leaching, has prompted us to focus on an open pit alternative ...