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《Acta Geologica Sinica》 2001-04
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New Advances of the Study of Cretaceous Strata in Southeastern China Based on Comprehensive Stratigraphy

LI Yaoxi, WANG Yingping, DING Baoliang Nanjing Institute of Geology and Mineral Resources,Nanjing, 210016  
Some problems of Cretaceous strata in southeastern China especialy the key horizones which are still in controversy were studied based on comprehensive stratigraphy including basin analysis, tectono-sedimentology, event stratigraphy and sequence stratigraphy, and some new understandings were put forward through synthetic analysis and judge on their genetic mechanism. It is recognized that the formation and evolution of basins, tectono-sedimentary cycles, sedimentary facies sequences and stratigraphic sequences, geological events are mainly controlled by the same episodic tectonic movement, so all of them are the geological records resulting from the same cause and expressed in different styles. There are close genetic connections and corresponding relationships among them and can be examed and complemented by each other, thus deepening relevant studies. New ideas about the following problems were proposed: the age of "Tangshang Formation", the existence of "Lishui Movement",the horizonal relationship between Yongkang Group and "Tiantai Group", as well as a-mong the molassoid formations such as Fangyan Formation, Zhongdai Formation and "Chichengshan Formation". Eventually, a regional correlation scheme of Cretaceous strata in southeasthern China was suggested.
【Fund】: 原地质矿产部地质调查局基础地质专项研究(专题编号 地科专96-31)部分成果
【CateGory Index】: P534.53
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