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一、徐淮震旦地层研究现状 1979年5月,全国震旦亚界科研成果交流会上,《苏皖北部震旦亚界的划分与对比》一文提出,徐淮地区在凤阳群不整合面之上,上震旦统宿县群、寒武系假整合面之下的一套未变质的地层,建议建立“淮河系”.分下统淮南群,上统徐淮群。《辽东半岛南部晚前寒纪地层的划分与对比》一文,将辽河群不整合面之上,寒武系假整合面之下的一套未变质或局部轻微变质的地层,建议新建“系”一级年代地层单位。本文就淮河系的建立,谈谈我们的意见,供大家讨论。
First, the current situation of Xuhuazhenian stratigraphic research In May 1979, the national exchange of scientific research achievements in Asia sub-region, “the division and comparison of Sinian sub-region in northern Jiangsu and Anhui Province,” a text proposed Xuhui region in Fengyang group unconformity On the upper Sinian, the county magistrate group, Cambrian fake integration of a set of unmodified strata, it is recommended to establish “Huaihe River.” Huainan sub-group under the group, Xuhuai group. “The division and comparison of Late Precambrian stratigraphy in the southern part of Liaodong Peninsula”, a set of unmodified or partially subsided strata above the unconformity surface of Liaohe Group and the Cambrian system, suggested that a new “system” A grade dating unit. This article on the establishment of the Huaihe River, talk about our opinions for your discussion.