| 下扬子地区晚白垩世浦口期沉积古地理及地质背景 |
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| 引用本文： | 白云风,程日辉,孔庆莹,唐华风,崔坤宁,刘鹏.下扬子地区晚白垩世浦口期沉积古地理及地质背景[J].吉林大学学报(地球科学版),2007,37(4):684-689. |
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| 作者姓名： | 白云风 程日辉 孔庆莹 唐华风 崔坤宁 刘鹏 |
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| 作者单位： | 1.中国地质大学 资源学院，武汉 430074;2.吉林大学 地球科学学院，长春 130061;3.中国石油大学 资源与信息学院，北京 102249;4.大庆油田有限责任公司 勘探开发研究院,黑龙江 大庆 163721;5.浙江泰达工程咨询有限公司,杭州 310007 |
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| 基金项目： | 国家重点基础研究发展计划(973计划) |
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| 摘 要： | 浦口期沉积范围遍及下扬子区。岩性组合南北分带:南部残留层薄且颗粒粗，北部残留层厚且颗粒细。沉积相类型包括：冲积扇相、扇三角洲相、滨湖相、浅湖相、深湖相。改造该区沉积盆地外貌的是南象运动和燕山运动的Ⅰ幕、Ⅳ幕和Ⅴ幕。古地理演化以库拉-太平洋板块向NNW向消减作用为地质背景。
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| 关 键 词： | 下扬子区 浦口期 沉积古地理 |
| 文章编号： | 1671-5888（2007）04-0684-06 |
| 收稿时间： | 2006-10-18 |
| 修稿时间： | 2006-10-18 |
Sedimentary Paleogeography and Geological Background in the Pukou Stage of Late Cretaceous Period in the Lower Yangtze Area |
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| BAI Yun-feng,CHENG Ri-hui,KONG Qing-ying,TANG Hua-feng,CUI Kun-ning,LIU Peng.Sedimentary Paleogeography and Geological Background in the Pukou Stage of Late Cretaceous Period in the Lower Yangtze Area[J].Journal of Jilin Unviersity:Earth Science Edition,2007,37(4):684-689. |
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| Authors: | BAI Yun-feng CHENG Ri-hui KONG Qing-ying TANG Hua-feng CUI Kun-ning LIU Peng |
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| Institution: | 1.Faculty of Earth Resources,China University of Geosciences, Wuhan 430074，China;2.College of Earth Sciences,Jilin University，Changchun 130061，China;3.Faculty of Natural Resources and Information Technology, China University of Petroleum, Beijing 102249，China;4.Exploration and Development Research Institute of Daqing Oilfield Limited Company,Daqing,Heilongjiang 163721,China;5.Zhejiang Taida Engineering Consultion Co.Ltd,Hangzhou 310007,China |
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| Abstract: | The sedimentary rocks formed in Pukou stage of Late Cretaceous period are distributed widely in the Lower Yangtze area. There occur different rock assembles. Remnant rocks in the southern zone are thin and fine, while in the northern zone thick and coarse. The sedimentary facies includes alluvial fan, fan-delta, offshore lake, shallow lake and deep lake facies. The sedimentary basin was rebuilt by the Nanxiang movement and stage Ⅰ,Ⅳ,Ⅴ of Yanshan movement. The evolution of palaeogeography in this region took place under the background of subduction of the Kula-Pacific plate in NNW direction. |
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| Keywords: | Lower Yangtze area Pukou stage sedimentary palaeogeography |
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