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一、概况中南地区大多数急倾斜薄钨矿脉矿床为高,中温热液裂隙充填石英脉型,矿脉一般成群分布,有大脉群和细脉两种类型。前者脉厚
I. Overview Most of the steeply inclined thin tungsten veins deposits in central and southern China are of high and medium temperature hydrothermal fractures filled with quartz veins. The veins are generally distributed in groups with two groups of macro-veins and veins. The former pulse thick