The El Morro mine is one of the largest gold mines in Chile and in the world. The mine is located in the north of the country in the Atacama Region. The mine has estimated reserves of 6.7 million oz of gold. The mine also holds reserves amounting to 449.5 million tonnes of ore grading 0.49% copper.
Contractors who have worked in this mine are Hatch, AMEC, Fluor Corporation, Bechtel. Siemens was awarded to do electrical engineering.
References
El Morro mine Wikipedia(Text) CC BY-SA