Bingham Canyon copper mine, Utah

Arrington, L. J., Hansen, G. B. (1963). The richest hole on earth A history of the Bingham Canyon copper mine. Logan, UT Utah State University Press. 

An open-pit copper mine. This mine in Bingham Canyon, Utah, is 4 km in diameter and 0.8 km deep. It is the largest human-created hole on Earth. 

This copper mine at Bingham Canyon, Utah, is the world s biggest open-pit mine. 

Important examples of such ores are Bingham Canyon in Utah, USA, Sierita in Arizona, USA, and most importantly Chuquicamata in Chile. This mine is situated in Northern Chile on the western slopes of the Andes. It has an open pit, 2 3 km, with a depth of 800 m. and is one of the biggest copper mines in the world. About 600 000 tonnes of ore are mined daily. 

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