Determination of the effect of operating cost uncertainty
3/1/2012· Cayeli produces copper and zinc concentrate. The estimated reserve was about 20 million tons of ore grading % copper. Fig. 2 presents the fluctuations of the copper price and operating costs of Cayeli mine during 2001–2010. Download : Download fullsize image; Fig. 2. Copper price and operating cost from 2001 to 2010 (Inmet Mining