油气地质与采收率2012，Vol.19Issue(1)：15-18,30,5.
鄂尔多斯盆地寒武纪层序-岩相古地理特征
苏中堂 1陈洪德 2陈安清 1赵俊兴2
作者信息
- 1. 成都理工大学油气藏地质及开发工程国家重点实验室,四川成都610059
- 2. 成都理工大学沉积地质研究院,四川成都610059
- 折叠
摘要
Abstract
The comprehensive analysis of outcrop, core and well log indicate that two transgressive-regressive ever happened during Cambrian in Ordos Basin. Based on sequence interfaces,2 super-sequence and 4 system tracts are divided,sequence-palaeogeog-raphy maps are also compiled. Littoral clastic rocks are formed during ETST of SSI, while mixed tidal-flat facies and mixed platform facies are developed during LTST and HST,which deposited argillaceous dolomite,mudstone and shale;and oolitic carbonate and clastic carbonate are formed in the environment of high-energy shoal during TST of SS2,and dolomite of platform develops during HST. The process from SSI to SS2 just makes an evolutionary serial of clastic deposit-mixed deposit-carbonate deposit. Oolitic carbonate,clastic carbonate and dolomite,which are formed during SS2,are able to become the reservoir.关键词
岩相古地理/层序地层/寒武纪/超层序/鄂尔多斯盆地Key words
lithofacies and paleogeography/sequence stratigraphy/Cambrian/Ordos Basin分类
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苏中堂,陈洪德,陈安清,赵俊兴..鄂尔多斯盆地寒武纪层序-岩相古地理特征[J].油气地质与采收率,2012,19(1):15-18,30,5.
