我国北方著名的榆社组,虽然迄今经历了半个世纪的调查研究,但是,比较明显地进展,还是在最近十年当中取得的,取得进展的主要原因来自两个方面:一是地质普查和勘探工作的不断深入;二是多学科的共同研究。据有关地质调查证实:榆社组广泛地分布在山西省东南部的漳河、沁水流域一带,以榆社、武乡为中心,沉积了一套厚度约数百米成 Although the famous Yushe group in northern China has gone through half a century of investigation and study so far, the more obvious progress has still been made in the last ten years. The main reasons for making progress come from two aspects. First, the geological survey and Exploration work continues to deepen; the second is a multidisciplinary joint research. According to the geological survey confirmed: Yushe group widely distributed in southeastern Shanxi Zhanghe, Qinshui watershed to Yushe, Wuxiang as the center, the deposition of a set of thickness of about hundreds of meters into