The concentrate is rolled with clay inside large rotating cylinders. The cylinders cause the powder to roll into marble sized balls. . The balls are then dried and heated until they are white hot.
Extraction Extraction, the next part of the cycle, involves mining to remove the metal bearing minerals from the Earth, mineral processing to concentrate the metal bearing minerals, and smelting to liberate metals from the minerals that contain them.
Copper processing is a complicated process that begins with mining of the ore and ends with sheets of 99.99% pure copper called cathodes, which will ultimately be made into products for everyday use.
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