Chilean miner SCM Minera Lumina Copper Chile (SCM MLCC) is a joint venture between Japanese companies Pan Pacific Copper (PPC) and Mitsui & Co., Ltd. It owns and operates the Caserones copper-molybdenum project in Chile's northern Atacama region (III). Acquired in 2006 by PPC, the project consists of an open pit mine in Copiapo, that produces copper and molybdenum in concentrates and copper cathodes; a concentrator plant with capacity to process 105,000t/d of ore to produce an annual average of 150,000t of fine copper concentrates and 3,000t of molybdenum concentrates; and a SX-EW plant to produce 30,000t of cathodes. With a lifespan of 28 years, it has estimated reserves of 1,047Mt of sulfurized ore. It also contains 296Mt of leachable ore. The company is based in Santiago.