Mine Mugshot: Morenci Mine

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)