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合肥盆地中—新生代物源及古水流体系研究

Research on Provenance and Paleocurrents in the Meso Cenozoic Hefei Basin

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【作者】 姜在兴邢焕清李任伟罗冬香

【Author】 JIANG Zai xing 1 , XING Huan qing 2 , LI Ren wei 3 , LUO Dong xiang 4 (1 School of Energy Resources, China University of Geosciences, Beijing 100083, China; 2 School of Resource and Information, China University of Petroleum, Dongying, Shandong 257061,China; 3 Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029,China; 4 Institute of Oil Production Technology, Jidong Oilfield, Tanghai, Hebei 063200,China)

【机构】 中国地质大学能源学院中国石油大学资源与信息学院中国科学院地质与地球物理研究所冀东油田采油工艺研究院 北京100083山东东营257061北京100029河北唐海063200

【摘要】 根据地球物理和地质资料, 利用地震地层学和沉积学方法, 对合肥盆地中生代侏罗系、白垩系和新生代的下第三系的物源及古水流进行了研究。合肥盆地中—新生代主要发育大别、张八岭、霍邱和蚌埠等物源及古水流体系。其中, 在侏罗纪以大别物源及古水流体系为主, 在白垩纪张八岭和大别物源及古水流体系为主要的物源及古水流体系,蚌埠物源及古水流体系主要发育在新生代。张八岭和大别物源及古水流体系为主要的物源及古水流体系, 霍邱、蚌埠物源及古水流体系是盆地内部次一级的物源及古水流体系。

【Abstract】 Based on the latest geophysical and geological data, this study has dealt with the provenance and paleocurrents in the Mesozoic and the Cenozoic in the Hefei Basin with seismic stratigraphy and sedimentology, four provenance and paleocurrent systems have been recognized The variation of the provenance and paleocurrents indicates the regular characteristics of the Hefei Basin The main properties of provenance and paleocurrents changed with time from Dabie dominated provenance and paleocurrent system in Jurassic to both Dabie dominated provenance and paleocurrents and Zhangbaling dominated provenance and paleocurrents in the Cretaceous The Bengbu provenance and paleocurrent system became the main provenance and paleocurrents in the Cenozoic This study comes to the conclusion that Zhangbaling system is the predominant, Huoqiu and Bengbu systems are the secondary

【关键词】 大别造山带合肥盆地物源古水流
【Key words】 Dabie orogenic beltHefei Basinprovenancepaleocurrent
【基金】 国家重点基础研究发展规划项目 (G1999075507)。
  • 【分类号】P544.4
  • 【被引频次】24
  • 【下载频次】528
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