Frontera is a copper mining company that operates the Piedras Verdes mine Located in Southern Sonora, 25 minutes from Alamos and 35 minutes from Navojoa where most employees live.
The Piedras Verdes mine is an open-pit copper deposit that operates on a conventional open-pit mining method. Mining follows a traditional drill, blast, load, haul, dump sequence with a mining rate of ~200 ktpd of material moved. Ore is processed by heap leaching and electrowinning.
It mines and processes sulfide and oxide ores, produces London Metals Exchange Grade “A” copper cathodes and sells hypogene ore to an independently owned tolling company that produces and sells copper concentrates.
The Piedras Verdes mine is fully integrated with CFE power grid and other infrastructure. All water is sourced from within mine footprint. It is located within 1 hour 15 minutes from two airports, the Ciudad Obregón international airport which operates ~20 commercial flights per day.
The Piedras Verdes mine operates in a safe and environmentally responsible manner, maintaining sound and healthy relationships with the surrounding communities, with whom we strive to make a positive impact.