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Structural feature and Tectonic Evolution of Awati-Bachu Area in Tarim Basin
  • 期刊名称:Global Geology
  • 时间:0
  • 页码:19-24
  • 语言:英文
  • 分类:P55[天文地球—构造地质学;天文地球—地质学]
  • 作者机构:[1]Collage of Earth Sciences, Jilin University, Changchun 130061, China, [2]Exploration and Development Research Institute of Daqing Oilfield Company Ltd. , Daqing 163712, Heilongjiang, China
  • 相关基金:Supposed by Project of NSFC (No, 40772125)
  • 相关项目:柴达木盆地北缘前陆逆冲带变形过程的定量研究
中文摘要:

研究区域位于 Tarim 盆的西方的部分,它包括 Awati 消沉和 Bachu 高举的块。它在大规模和近的术语延期经历了压缩的过程三次后来寒武纪。第一压缩发生在对泥盆纪寒武纪的中间期间,它在 NW 轴的方向形成了差错乐队褶层。他们是“在水下高举”并且在整个研究区域分布式。第二压缩在 NS 轴的方向发生在晚二叠、形成的差错乐队褶层和一些差错繁殖褶层。他们在 Tumuxiuke 差错带和北研究区域附近被开发。西方的背斜比在程度和尺寸的东方的大。第三压缩在 NW 方向发生在 Palaeogene 期间到第四级、形成的 tumuxiuke 差错带和差错繁殖褶层。他们在研究区域的南方部分上被散布。Tumuxiuke 差错带是大规模右颠倒的罢工滑倒差错带;它转变了或破坏研究区域的褶层结构。短期的延期发生了在期间早二叠。Tarim 盆在形成 craton 的舞台的裂缝,并且在那里存在普遍基本暴烈的岩石,基本恼人的身体和堤。

英文摘要:

The research area is situated in the western part of Tarim basin, which includes Awati depression and Bachu uplifted block. It underwent three times processes of compression in a large scale and a near term extension since Cambrian. The first compression occurred during Middle Cambrian to Devonian, which formed fault band folds in NW axial direction. They were "under-water uplift" and distributed all over the research area. The second compression occurred in Late Permian and formed fault band folds and a few fault propagation folds in NS axial direction. They are developed near Tumuxiuke fault belt and the northern research area. The western anticline is bigger than the eastern one in extent and size. The third compression occurred during Palaeogene to Quaternary and formed tumuxiuke fault belt and fault propagation folds in NW direction. They are distributed over the south part of the research area. Tumuxiuke fault belt is a big scale dextral reversed strike-slip fault belt; it transformed or destroyed the fold structure of the research area. A short-term extension occurred during Early Permian. Tarim Basin is in the rift forming stage of craton, and there exist widespread basic vol- canic rocks, basic intrusive bodies and dikes.

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