Chile is the world's largest producer of copper by far.
Many experts agree that China is the country that uses copper the most. Currently China's demand for copper is higher than the supply available.
copper is too expensive and limited.
Midway through 1982, the composition of the US penny changed from 95% copper and 5% zinc to 97.5% zinc and 2.5% copper (in the form of a coating of pure copper over a core of zinc).
In mid 1982 US cents were changed from an alloy of 95% copper/5% zinc to a pure zinc core with a thin plating of copper.
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It is estimated that there are about 5.6 trillion pounds of known copper reserves left in the world. However, the total amount of copper resources, which includes undiscovered deposits and unconventional sources, is much higher. The exact amount of copper left in the world will depend on future discoveries and advancements in mining technology.
The largest source of copper is from porphyry ore.
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The most copper in the world appears to lie around the Pacific Rim. Much of it is down the west coast of North and South America. The country that takes most advantage of this is Chile.Although there are copper mines in Canada, USA, Mexico and Peru, the six largest copper mines in the world are all in Chile
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Chile is the world's largest producer of copper by far.
Zambia is currently 8th in world copper production, turning out just 10% of what Chile does. - A long drop from the thirdposition they held before independence.
1 oz of copper is 1 oz of copper