Smelting Plant Copperore

Sand Dryer

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