[6][7] At the time of its development, the mine was Peru's largest investment project at $2.3 billion.

A $2 billion investment to extend the lifespan to 2036 is underway pending approval of an environmental impact study.

Villagers living nearby complain that dust thrown up by the mine is toxic.

Protestors alleged that the mine had not fully paid the community for the land, which the company disputed.

[11] The company launched an initiative, FOGEL, with the stated aim of strengthening the capacities of local governments and communities.