Different Distribution of Lacustrine Facies and Its Controlling Factors during Rifting Stage, Zhu Ⅰ and Zhu Ⅲ Depressions, Pearl River Mouth Basin
详细信息
- 责任者：Liu Zhifeng (Research Institute ; China National Offshore Oil Corporation ; Beijing 100027 ; China) ; Wang Shenglan
- 刊名：Petroleum Geology & Experiment
- 出版年：2013
- 卷期：35(5)
- 关键词：湖泊环境 ; lacustrine environment ; 烃源岩 ; source rocks ; 珠江口盆地 ; Zhujiangkou Basin
- 页码：p.523-527,533
- 图表：5 illus., 29 refs.
- 分类号：1003
- issnNo：ISSN1001-6112
- isbnNo：CN32-1151/TE
摘要
The distribution of lacustrine facies during rifting stage in the Zhu Ⅰ and Zhu Ⅲ Depressions of the Pearl River Mouth Basin shows that lacustrine facies spread much more widely in the Zhu Ⅰ Depression. It might be explained by the smaller extensional level of the Zhu Ⅲ Depression. The extensional level of a depression is affected by many factors,such as stress orientation,basement lithology and region faults. The differences of basement lithology,sag distribution,large potential fault below Cenozoic and sag-controlling fault orientation lead to the different extensional level of the Zhu Ⅰ and Zhu Ⅲ Depressions,and further control the different distribution of lacustrine facies.
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