| 西湖凹陷平湖组(E_2~(2—3))半咸水有孔虫群特征分析及指相意义 |
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| 作者姓名： | 陈琳琳 王丽顺 |
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| 作者单位： | 地矿部上海海洋石油勘探开发研究院
(陈琳琳)，地矿部上海海洋石油勘探开发研究院(王丽顺) |
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| 摘 要： | 西湖凹陷于胡组地层沉积于海陆过渡相背景。本文侧重分析平湖组地层中出现的半咸水有孔虫群的若干特征,讨论了半咸水有孔虫群的生态环境。根据古生物组台的变化,提出了平湖组沉积环境演化的三个发展阶段。
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| 关 键 词： | 西湖凹陷 平湖组 半咸水有孔虫群 |
Plaeoecologic Analysis of Brackish Water Foraminifers in Pinghu Formation(E_2~(2-3) of Xihu Sag |
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| Authors: | Chen Linlin Wang Lixun |
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| Institution: | Chen Linlin Wang Lixun Shanghai Institute of Offshore Petroleum Exploration & Development |
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| Abstract: | Pinghu Formation was precipitated in transitional environments in Xihu Sag. The characteristics of brackish water foraminifers discovered in Pinghu Formation and their ecological setting are discussed. According to the changes of fossil assembleges , three envirpmental stages in Pinghu Formation are revealed. |
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| Keywords: | Xihu Sag Pinghu Formation Brackish water foraminifers |
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