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圣新(Sunshine)矿山位于爱达荷州科尔-达冷(Coeur d’Alene)区,发现于1884年。该矿自那时起,几乎未曾终断过生产;但在三十年代中叶以前,其生产未获重大发展。近两年来,由于改进了采矿方法,降低了贫化,使1962年上半年出窿矿石品位此1960年同期提
Located in the Coeur d’Alene area of Idaho, the Sunshine mine was discovered in 1884. Since then, the mine has almost never ceased production; however, before the mid-1930s, its production has not been greatly developed. The past two years, due to improved mining methods, reduced depletion, so that the first half of 1962 ore grade in the same period in 1960 raised