In February 2016 Antofagasta signed an agreement with junior explorer Evrim Resources to earn an interest in the Ball Creek property located in British Columbia. Antofagasta can earn a 70% interest in the project by spending US$31 million over a thirteen-year period. The company sold its idled Michilla mine in Chile for $52m in 2016. The sale included various mining properties but kept some facilities like the sulphuric acid terminal used by mines in Centinela and Antucoya (an oxide deposit near Michilla). Operations Antofagasta is one of the major international copper producers with its activities concentrated mainly in Chile where it now operates four copper mines: Los Pelambres, Centinela (previously the Esperanza and Tesoro mines), Antucoya and Zaldivar (50% owned, 50% owned by the Canadian mining company Barrick Gold). Ownership The company is 65% owned by the Chilean Luksic family. References External links Official Antofagasta PLC website— Conglomerate companies of Chile Copper mining companies of Chile Investment companies of Chile Multinational companies headquartered in Chile Companies based in Antofagasta Region Conglomerate companies established in 1888 1888 establishments in Chile Mining companies based in London Companies listed on the London Stock Exchange