Mining machines: Spence Copper Cathode Mine, Atacama .
Mining machines Tuesday, March 24, 2009. Spence Copper Cathode Mine, Atacama Desert, Chile It is one of the company's newer projects, with the first copper hode extracted in 2006. The mine reached design capacity in the third quarter of 2007, after which it was able to reach the current annual production rate of 200,000t of copper hode ...