| 鄂尔多斯盆地早侏罗世富县期冲积扇沉积 |
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| 引用本文： | 时志强,韩永林,赵俊兴. 鄂尔多斯盆地早侏罗世富县期冲积扇沉积[J]. 成都理工大学学报(自然科学版), 2002, 29(4): 390-393 |
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| 作者姓名： | 时志强 韩永林 赵俊兴 |
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| 作者单位： | 1. 成都理工大学沉积地质研究所,成都,610059
2. 长庆油田公司勘探开发研究院 |
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| 摘 要： | 在综合研究野外露头、钻井剖面及室内编图、地层对比的基础上 ,指出鄂尔多斯盆地冲积扇 -河流沉积体系是侏罗纪富县期主要的古地理格局 ,富县期沉积受与古地貌密切相关的五条河谷控制。认为鄂尔多斯盆地侏罗纪富县期冲积扇沉积具进积型特征 ,其形成与古地形密切相关 ,分布于古甘陕、庆西河谷内
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| 关 键 词： | 冲积扇 鄂尔多斯 岩相古地理 富县组 |
| 文章编号： | 1005-9539(2002)04-0390-04 |
| 修稿时间： | 2001-07-02 |
FANS AT THE EARLY JURASSIC FUXIAN STAGE IN ORDOS BASIN |
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| SHI Zhi qiang ,HAN Yong lin ,ZHAO Jun xing. FANS AT THE EARLY JURASSIC FUXIAN STAGE IN ORDOS BASIN[J]. Journal of Chengdu University of Technology: Sci & Technol Ed, 2002, 29(4): 390-393 |
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| Authors: | SHI Zhi qiang HAN Yong lin ZHAO Jun xing |
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| Affiliation: | SHI Zhi qiang 1,HAN Yong lin 2,ZHAO Jun xing 1 |
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| Abstract: | Based on the synthetic study of field outcrops, drilling section data, charts drawn in rooms, and data of stratigraphic correlation, the authors propose that the paleogeographic pattern of Ordos Basin was a fan fluvial sedimentary system at Jurassic Fuxian Stage. The deposition of Fuxian Formation was controled by five river valleys closely related to paleogeomorphology. There were fans undoubtfully at Jurassic Fuxian Stage and the fans located in Ganshan and Qingxi river valleys show the progradating characteristic . |
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| Keywords: | alluvial fan Ordos Basin lithofacies paleogeography Fuxian Formation |
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