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金江公社位于石鼓西北约35公里的金沙江东岸,属中甸县所辖。笔者等于1981年4月在金沙江公社的三家村、银厂沟一带进行区域地质调查时,首次在石鼓片岩带的东部边缘含 Euryspirifer sp.下泥盆统底砾岩之下的浅变质岩系中采获 Cruziana,Orthis sp.,Szechuanella sp.等早奥陶世的化石和 Kunmingaspis sp.,Kailie- ella sp.,Probowmania sp.,Douposiella sp.,Pseudosolenoparia sp.等中寒武世早期的化石。上述发现,为研究滇西北地区早古生代地层的岩相古地理、古生物群区划、石鼓群
Jinjiang commune is located about 35 kilometers northwest of Shijin Jinsha River east coast, is under the jurisdiction of Zhongdian County. For the first time in the area of Sanjiacun and Yinchanggou in the Jinsha River commune in April 1981 for regional geological survey, the author for the first time contained Euryspirifer sp. Fossils of Early Ordovician such as Cruziana, Orthis sp., Szechuanella sp. And fossil from Kunmingaspis sp., Kailie-ella sp., Probowmania sp., Douposiella sp., Pseudosolenoparia sp. . The above findings, in order to study the Paleozoic stratigraphic lithofacies palaeogeography, palaeontological zoning, Shi Guqun