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在目前世界工业铀矿总储量中,火山岩型铀矿所占比例很小;但在我国的总储量中,此类型占五分之一强。有几个火山岩型矿床早已被开采利用。
At present, the proportion of volcanic uranium deposits in the total reserves of industrial uranium in the world is very small; however, of the total reserves of our country, these types account for over one fifth. Several volcanic deposits have already been exploited.