| 东海瓯江凹陷早第三纪裂谷期盆地充填机制探讨 |
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| 作者姓名： | 陈琳琳 |
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| 作者单位： | 上海海洋石油局规划设计研究院 |
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| 摘 要： | 早第三纪东海瓯江凹陷曾是一个弧后拉张形成的裂谷盆地，拉张断裂在构造上控制了盆地地堑、半地堑地貌，从裂谷早期、中期到晚期，地层垂向演化表现出砂－泥－砂三重序列的充填型式，根据位于不同构造单元的SM－1、WZ6－1－1井为例证，从相对海平面、可容空间、物源供给诸方面探讨了地层成因机制。
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| 关 键 词： | 东海 瓯江凹陷 充填机制 早第三纪 裂谷盆地 拉张断裂 |
Discussion of Basin-fill Mechanism during Eogene Rifting Phase in Oujiang Trough, the East China Sea |
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| Authors: | Chen Linlin |
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| Institution: | Planning & Designing Institute .Shanghai Bureau CNSPC |
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| Abstract: | Oujiang Trough in the East China Sea was an rift basin resulted from back -arc extension. Extensional faulting exerted the structural control on the morphology of graben and half-graben. Rift vertical succession are characterized by a sandstone-mudstone - sandstone sediment-infill motif from rift early stage,climax stage to late stage. Taking two wells (SM-1,WZ6-1-1) which are located at different structure units as examples, this paper discusses the genetic mechanism from relative sea level, accommodation ,and sediment supply. |
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| Keywords: | 1 The East China Sea 2 Oujiang Trough 3 Basin-fill mechanism |
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