珠江口盆地珠三坳陷层序地层样式分析

姜华; 王华; 李俊良; 陈少平; 林正良; 方欣欣; 蔡佳

doi:10.3724/SP.J.1140.2009.01087

珠江口盆地珠三坳陷层序地层样式分析

1 中国地质大学资源学院, 武汉 430074;
2 中海石油(中国)有限公司湛江分公司技术部, 湛江 524057;
3 中海石油(中国)有限公司油气研究中心, 北京 100027

基金项目:

国家自然科学基金项目(40872077)

详细信息

作者简介:
姜华(1977-),男,博士生,主要从事层序地层学、沉积学研究,E-mail:sorcerer_2004@126.com

中图分类号: P539.2
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- 文章访问数: 2029
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出版历程
- 收稿日期: 2008-08-29
- 修回日期: 2008-12-19

ANALYSIS ON SEQUENCE FORMATION STYLES OF ZHU-3 DEPRESSION IN PEARL RIVER MOUTH BASIN

1 School of Earth Resources, China University of Geosciences, Wuhan 430074, China;
2 Technology Department, Zhanjiang Branch Company, CNOOC China Ltd, Zhanjiang 524057, China;
3 CNOOC Research Center, Beijing 100027, China

摘要

摘要: 珠江口盆地珠三坳陷是一个典型的箕状断陷盆地,其层序地层格架受到主干断裂特别是珠三南断裂的强烈控制。由于珠三南断裂活动的差异性,盆地东部、中部和西部表现为不同的格架样式。并据此划分出坳陷内的3种典型层序样式,分别是缓坡型、断控陡坡型和断阶型层序样式。文昌A凹陷与阳江低凸起过渡的斜坡区和文昌B凹陷与琼海低凸起过渡区为具有坡折的缓坡背景,发育缓坡坡折型层序样式,发育斜坡扇、盆底扇、低位楔。珠三南断裂等主干断裂下降盘发育断控陡坡带层序样式,在珠三南断裂中部地区,发育断阶型层序样式。
- 层序样式 /
- 珠三坳陷 /
- 珠江口盆地
Abstract: Zhu-3 depression in Pearl River mouth basin was a typical dustpan-like basin, its sequence formation frameworks were controlled by main faults, especially south faults of Zhu-3 depression. Because of differences in activities of south faults of Zhu-3 depression, there were different framework styles in the east, center and west of the depression. Three typical sequence formation styles were recognized in Zhu-3 depression, they were gentle slope style, steep slope style controlled by faults and fault terrace style. For it was gentle slope background in the slope belt between Wenchang-A sag and Yangjiang swell,and between Wenchang-B sag and Qionghai swell, gentle slope style was developed there, and basin floor fan, slope fan or low-stand wedge were also developed. Steep slope style controlled by faults was developed in the hanging walls of main faults such as south faults of Zhu-3 depression. And fault terrace style was developed in the center of depression.
- sequence style of gentle slope /
- sequence style of steep slope cotrolled by faults /
- fault terrace sequence style

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参考文献(9)

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