Cone crushers are hard and abrasive creeks and pits such as granite, basalt and andesite. It is designed to break the materials. It is used as secondary and tertiary crusher. The working principle of cone crushers is to break the materials with the effect of compression, cutting and bending. Copper Ore Primary Crushers. 123 primary copper smelting 1231 general1 copper ore is produced in 13 states in 1989 arizona produced 60 percent of the total u s ore fourteen domestic mines accounted for more than 95 percent of the 145 megagrams mg 16 millon tons of ore produced in 1991 copper is produced in the u s primarily by pyrometallurgical smelting.