[1] The mine is located in the north of the country in the Atacama Region.
The mine also holds reserves amounting to 449.5 million tonnes of ore grading 0.49% copper.
[1] Contractors who have worked in this mine are Hatch, AMEC, Fluor Corporation, Bechtel.
[2] A 70% ownership stake was sold by Xstrata to Barrick Gold for $465 million USD in 2009, with the remaining 30% owned by New Gold Inc.[3] Development of the mine was initially halted in 2012 due to a lack of consultation with the local indigenous Diaguita community, but in 2014 a Chilean appeals ruled the project could proceed.
[5][6] In 2015, the mine was combined with the nearby Relincho project to a single venture called NuevaUnión split 50-50 between Goldcorp and Teck.