The Neo-Tectonic Deformation Features in the Eastern Segment of Circum-Tibetan Plateau Basin and Range System: Taking the Western Sichuan Basin
详细信息
- 责任者：Li Benliang (Research Institute of Petroleum Exploration & Development ; PetroChina ; Beijing 100083 ; China) ; Lei Yongliang
- 刊名：Acta Petrologica Sinica
- 出版年：2011
- 卷期：27(3)
- 关键词：构造变形 ; tectonic deformation ; 青藏高原 ; Qinghai-Tibetan Plateau
- 页码：p.636-644
- 图表：6 illus., 1 table, 22 refs.
- 分类号：0300
- issnNo：ISSN1000-0569
- isbnNo：CN11-1922/P
摘要
The western Sichuan Basin foreland thrust and fold belt locate between the Tibetan Plateau and Upper Yangtze Plate, which is the main part of the eastern segment of Circum-Tibetan Plateau Basin and Range System formed during the Himalayan tectonic movement. After comparing their deformation width of foreland thrust and fold belt, structural shortening amount, lifted mountain altitude, basin subsidence and the space relation between old structure and neo-structure, the authors consider that: 1) thrust and fold deformation propagate from old orogen to cratonic basin; and 2) the spatial location from Tibetan Plateau also lead to the neo-tectonic deformation strength, deformation scope and couple grade of basin and range become weak from south to north in the western Sichuan Basin. The neo-tectonic deformation impact the distribution of nature resources and living environment of human being.
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