Fault Formation and Evolution Model under Uncoordinated Extension in
详细信息
- 责任者：Tong Hengmao (State Key Laboratory of Petroleum Resources and Prospecting ; China University of Petroleum ; Beijing 102249 ; China)
- 刊名：Geological Bulletin of China
- 出版年：2010
- 卷期：29(11)
- 关键词：断裂 ; fractures ; 伸展构造 ; extension tectonics ; 断陷盆地 ; fault-downwarping basins
- 页码：p.1606-1613
- 图表：5 illus., 34 refs.
- 分类号：0300
- issnNo：ISSN1671-2552
- isbnNo：CN11-4648/P
摘要
In this paper, applying target sandbox modeling results of "uncoordinated extension" and the new mechanical model of brittle faulting-"non-coordination criterion", the controlling factors of fault formation and evolution are analyzed, and a new model of fault formation and evolution, which is called the "uncoordinated extension" model, is proposed. According to the model, the progressive deformation process of "uncoordinated extension" is the root cause which leads to the complexity of fault system in rift basins. It is pointed out that the fault system in the rift basin is relatively complex, but the fault formation and evolution is orderly, and there is a law in the fault distribution, which can be analyzed and predicted with "non-coordination criterion".
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