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These three facilities have a combined annual capacity of 1.5 million metric tonnes. Codelco, not surprisingly, is the world's largest producer of copper. In 2014, the company produced nearly 400,000 tonnes more copper than the world's second largest producer, Aurubis. Flash-continuous technology is used in more than half of all refinieries (about 70 percent), while world refinery capacity utilization in 2013 was estimated to be nearly 80 percent.
Native copper can be found in alluvial deposits, granitic and basaltic rock. The biggest ores of copper are the minerals chalcopyrite and malachite. Copper is mined throughout the world and the open pit mines created are the largest man-made excavations in the world.The top copper mining countries are Chile, U.S.A., Peru, China, Australia, Indonesia, Russia, Canada and Zambia.Copper is found in many other countries as well, it's a pretty extensive list.he top copper mining countries are Chile, U.S.A., Peru, China, Australia, Indonesia, Russia, Canada and Zambia. Copper is found in many other countries as well, it's a pretty extensive list.