A Discussion on Architecture and Tectonic Evolution of Basins in China and Its Adjacent Areas: Evidence from New Progress of the Long Profile
详细信息
- 责任者：Li Jianghai (Key Laboratory of Orogenic Belts and Crustal Evolution ; Ministry of Education ; Beijing 100871 ; China) ; Cheng Yalin
- 刊名：Geology in China
- 出版年：2013
- 卷期：40(1)
- 关键词：沉积盆地 ; sedimentary basins ; 构造演化 ; structural evolution ; 中国 ; China ; 亚洲 ; Asia
- 页码：p.74-85
- 图表：illus., 43 refs.
- 分类号：0300
- issnNo：ISSN1000-3657
- isbnNo：CN11-1167/P
摘要
Due to the convergence of multiple continental blocks and the development of many different types of sedimentary basins, Asian continent is an ideal place for studying the geological evolution of basins. This paper is focused on analysis of basin architecture, relationships between basin group and plate boundary, basin group and basement structure by drawing 4 long inter-continent profiles. Studies show that scales of sedimentary basins in Asian are generally small, the prototype basins have been poorly preserved, and the ages of basin basements are greatly different in contrast with other continents. Basins developed upon cratonic basement are relatively well preserved, while those overlying on the orogenic belt and oceanic crust basement have larger scale of subsidence, and are easily reworked. The changeable movement of plate tectonic boundary and smaller scale of landmass have resulted in a strong instability in the basin structure. The temporal and spatial superimposition between three big tectonic realms (Central Asia, Tethys, West Pacific), a series of cratonic blocks (Siberia, India, North China, Tarim, Yangtze, Indosinian etc. ) and mantle plume activities, have controlled the tectonic evolution of Asian basins, and caused obvious differences in their types and late preservation.
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