Mantos Blancos

Single open-pit copper-silver mine processing sulphide and oxide ores. Located 45 km northeast of Antofagasta, Chile, accessed via the paved Pan American Highway with grid power from the National Electric System. Property includes 133 mining concessions covering 26,273 ha. Stratabound copper-silver deposit hosted in rhyolitic dome and magmatic-hydrothermal breccias. Open pit mining commenced in 1960 and was acquired by Mantos Copper in 2015. Concentrator facility treats 7.3 Mtpa of sulphide ore through two crushing plants and a flotation circuit, alongside a dump leach and SX/EW plant for oxides. Phase II expansion study underway to increase concentrator throughput to 27 ktpd.