Copper mining in Morenci, Arizona, United States

Huge open pit copper mine in Morenci, Arizona, United States. The ore reduction plant with giant smoke stack is seen next to the mine pit. Views of molten copper being poured from smelter into large crucible. Molten copper running into a sand bed from a furnace being tapped. Molten slag (waste) being poured into a slag heap from a crucible. Molten copper with traces of other valuable minerals, such as gold, being poured into molds creating anodes suitable for further electrolytic reduction. Cooled anodes being loaded onto trucks for shipping.