一、苏南现行二迭系上、下统划分情况简介 目前苏南二迭系划分有两大系列。一是胡世忠先生的划法,胡先生从1962年始从事该问题研究,并发表了“对苏南二迭纪地层划分及龙潭组下界的新认识”一文,论文根据175煤田地质队在无锡县堰桥区施工的堰6、堰7两孔资料建立了下二迭统上段标准剖面,并命名为“堰桥组”,取消了原孤 First, southern Jiangsu Province, the current two overlapping system, the next division Brief introduction At present, there are two series of division of the Sunan two series. First, Mr. Hu Shizhong’s zoning, Mr. Hu from 1962 engaged in the study of the issue, and published “on the southern Jiangsu Erdiu stratigraphic division and the new understanding of the lower boundary of the Longtan Formation,” a paper based on the 175 coal field geological team in Wuxi County weir Construction of the bridge area weir 6, weir 7 two hole data to establish the upper section of the second lower member of the standard section, and named “weir bridge group”, canceled the original