Fold Structure Pattern in Southwestern Qaidam Basin
详细信息
- 责任者：Li Lanbin (Key Laboratory of Tectonics and Petroleum Resources ; China University of Geosciences ; Ministry of Education ; Wuhan 430074 ; China) ; Sun Jiazhen
- 刊名：Petroleum Geology & Experiment
- 出版年：2012
- 卷期：34(1)
- 关键词：褶皱 ; folds ; 构造样式 ; tectonic style ; 柴达木盆地 ; Qaidam Basin
- 页码：p.30-35
- 图表：6 illus., 18 refs.
- 分类号：0300
- 出版序号：20130026
- issnNo：ISSN1001-6112
- isbnNo：CN32-1151/TE
摘要
Based on the studies of tectonic profile and deformation history, the structures in the southwestern Qaidam Basin are divided into 5 categories according to their genetic mechanisms. The thrust fold structure distributes in the Kunbei fault-uprising belt, mainly characterized by the involving of basement into severely-uprising unilaterally extruding asymmetrical fold. The fault-propagation fold structure locates in the Gasi-Zhahaquan fault-fold belt, mainly characterized by the involving of basement into unilaterally extruding fault-propagation asymmetrical fold. The detachment fold structure locates in the Yingxiongling detachment fold belt and the central depression as well as the shallow layer of the Gasi-Zhahaquan fault-fold belt,mainly characterized by detachment fold which is approximately symmetrical in middle-shallow layer.
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