下扬子地区晚白垩世浦口期沉积古地理及地质背景

• 基础地质·矿床·盆地 • 上一篇下一篇

下扬子地区晚白垩世浦口期沉积古地理及地质背景

白云风^1,2,程日辉²,孔庆莹^2,3,唐华风²，崔坤宁^2，4，刘鹏⁵

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

收稿日期:2006-10-18 修回日期:1900-01-01 出版日期:2007-07-26 发布日期:2007-07-26
通讯作者: 白云风

Sedimentary Paleogeography and Geological Background in the Pukou Stage of Late Cretaceous Period in the Lower Yangtze Area

BAI Yun-feng^1,2,CHENG Ri-hui²,KONG Qing-ying^2,3,TANG Hua-feng²,CUI Kun-ning^2,4,LIU Peng⁵

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

Received:2006-10-18 Revised:1900-01-01 Online:2007-07-26 Published:2007-07-26
Contact: BAI Yun-feng

摘要/Abstract

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。

关键词: 下扬子区, 浦口期, 沉积古地理

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.

Key words: Lower Yangtze area, Pukou stage, sedimentary palaeogeography

中图分类号:

P531

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]. J4, 2007, 37(4): 684-0689.

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]. J4, 2007, 37(4): 684-0689.

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