位于波兰弗罗茨瓦夫西北约40英里,即下西里西亚卢宾地区的莱格尼查一格洛果区波兰铜矿是世界上最大的铜矿床之一。铜的硫化物矿石赋存于比较薄的缓倾斜黑色沥青页岩(含铜页岩)中,矿体厚度一般为1.5～18英尺,有些矿带厚达66英尺。铜的平均含量为1.5％,银的含量约1.0盎斯/吨;铜含 The Polish copper mine in Legnissacha-Golokho, about 40 miles northwest of Wroclaw in Poland, in the Lubin region of Lower Silesia, is one of the largest copper deposits in the world. Copper sulphide ores occur in relatively thin, gently-pitched, black, bituminous shales (copper-bearing shales) that typically have a thickness of 1.5 to 18 feet and some have a depth of 66 feet. The average copper content of 1.5%, silver content of about 1.0 oz / ton; copper containing