Ray Mine is an open pit mine extracting copper from a massive porphyry deposit. The mine is operated by Asarco. For an excellent treatment of the geology of the Ray-Superior area, see Richard & Spencer (1998). http://repository.azgs.az.gov/uri_gin/azgs/dlio/208
Photographer: Mike Conway
Photo Date: May 2016
Latitude: 33.1729583333
Longitude: -111.016241667
Photo Tags: open-pit mine, porphyry copper, mining 
