Where: Near Morenci, Greenlee County, Arizona, United States
Mine Type: Open pit copper mining
Operations: 1873 - Present day (continuous production since 1939)
Owners: Majority owner: Freeport-McMoRan and Minority owner Sumitomo
Output: On average since 2015 it produces 225 million pounds per year
Notable Facts: It is the largest copper mine in North America and one of the longest running mines in the world.
Picture: Geologyforinvestors.com (Briggs 2015)
