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THE CAMBRIAN-ORDOVICIAN LITHOFACIES ANALYSIS IN SOUTHEASTERN HUBEI
Author(s): TIAN Wangxue, HE Renliang, GONG Zhiyu, LI Zhenghua, PENG Xiaogui
Pages: 18-
24
Year: 2004
Issue:
3
Journal: RESOURCES ENVIRONMENT & ENGINEERING
Keyword: 鄂东南; 寒武纪; 奥陶纪; 岩相;
Abstract: 寒武纪至奥陶纪时期,鄂东南地区以所谓"江南古断裂"为界,两侧在沉积作用、岩性、岩相及古生物特征等方面存在着显著差异.经野外调查发现,在两者的过渡地段存在多种斜坡相沉积和古生物混合沉积,但未见有与古断裂有关的地质现象,证明了造成上述差异与古地貌特征的直接关系,从而可以把该区过渡地段南北寒武纪~奥陶纪地层置于受共同海平面升降影响的环境中综合考虑,将其划分为四个地层层序,建立了该区地层的时空格架.
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