Cobre del mayo

The Piedras Verdes Mine is located in Sonora, it is the third largest copper mine in Mexico. It enjoys privileged access to infrastructure and is located 20 km from Álamos (population 9,000), and 50 km from Navojoa (population 160,000).

It started commercial production in 2006 and was purchased by Invecture in mid 2009.

Piedras Verdes is an open pit mine that utilizes conventional truck and shovel mining methods.

Piedras Verdes employs crushed and ROM leaching and produces LME Grade A cathode from an SX/EW plant with a capacity of 34,500 tons per year and by the flotation plant owned and operated by our partially owned subsidiary Kupari Metals, with capacity for the production of copper in concentrate of 14,000 tons per year.

Mineral reserves currently approximate 1.1 million tons of copper, they represent a 15+ year mine life.

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