Carboniferous Tectonic Setting and Evolution in Northern Xinjiang, China
详细信息
- 责任者：Kuang Lichun (Petroleum Exploration and Development Institute ; Xinjiang Oilfield ; Keramay 834000 ; China) ; Zhang Yueqian
- 刊名：Acta Geologica Sinica
- 出版年：2013
- 卷期：87(3)
- 关键词：构造演化 ; structural evolution ; 新疆 ; Xinjiang
- 页码：p.311-320
- 图表：illus., 1 table, 18 refs.
- 分类号：0300
- issnNo：ISSN0001-5717
- isbnNo：CN11-1951/P
摘要
The ocean-continent transition period in northern Xinjiang has experienced the two evolvement stages in Carboniferous period: one is from extension of the collision diapause to closure of remnant ocean and the other is from intracontinental collision and post-collision collapse in early Carboniferous to intra-plate deformation stage in late Carboniferous. Based on the dynamic background of the plate tectonic during the Carboniferous and the regional structure and sedimentary rock assemblage, it can be preliminarily determined that the types of prototype basin in the north of Xinjiang contain: remnant ocean, epicontinental sinking, taphrogenic trough, rift valley and intracontinental sinking during early Carboniferous; taphrogenic trough, epicontinental sinking and rift valley or rupture during the late Carboniferous. According to superposition and deformation features of the prototype basins at late Early Carboniferous, the Early Carboniferous remnant basin preserved in covered area in northern Xinjiang and its superimposition deformation can be classified into two categories containing six subtypes. Firstly, two superimposition categories (inheritance model and superposition model) are defined based on whether there is Permian System. Then, according to the superposition features of Mesozoic and Cenozoic basins, five subtypes can be defined: successive inheritance model, early inheritance and early superposition model, early inheritance and late superposition model, Triassic superposition model, Jurassic superposition model and Cretaceous superposition model.
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