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http://arizonaexperience.org自1910年以来,美国亚利桑那州的铜矿产量一直位居全美之首,约占全国铜产量的64%。亚利桑那州“Five Cs”铜矿是全州铜矿石产量最高的矿山,该矿山产值占全州非能源类矿产资源产值的75%。
http://arizonaexperience.org Since 1910, copper production in Arizona has been the highest in the United States, accounting for about 64% of the country’s copper output. Arizona’s “Five Cs” copper mine is the country’s most productive mine for copper ore, which accounts for 75% of the state’s non-energy mineral resources.