美国银矿开采概况 1983年美国的矿产银约为1200吨,世界银产量约为10500吨,同年美国银的消耗量超过了3700吨。一百多年来,美国的银几乎都是产自西部地区。目前美国主要的产银区仍然是爱达荷州北部的克尔德阿连银矿区。到1979年该矿区共采银28768吨。新墨西哥、科罗拉多、蒙大拿、内华达等州也在开采银矿 Silver mining in the United States in 1983 in the United States about 1200 tons of mineral silver, silver production in the world is about 10,500 tons, the same year the U.S. silver consumption exceeded 3,700 tons. For more than 100 years, most of the silver in the United States has originated in the western region. At present, the major silver production area in the United States is still the Keld Alion silver mine area in northern Idaho. By 1979, the mine had 28,768 tons of silver. New Mexico, Colorado, Montana, Nevada and other states are also mining silver