| 藏北羌塘盆地构造变形及其动力学背景 |
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| 引用本文： | 雷振宇,鲁兵,等.藏北羌塘盆地构造变形及其动力学背景[J].地质论评,2001,47(4):415-419. |
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| 作者姓名： | 雷振宇 鲁兵 |
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| 作者单位： | 1. 石油勘探开发科学研究院,北京,100083
2. 大庆石油学院,黑龙江安达,151400 |
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| 基金项目： | 国家发展规划基础项目，中国博士后基金(第21批)，中国石油天然气集团公司博士后基金 |
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| 摘 要： | 本文根据盆地的变形特征，将其分为5个变形区，其中北部边缘断褶带和玛依岗日断隆区分别以叠瓦工组合和背冲断块为主，而拉雄错-雀莫错等构造区以发育对称或不对称类隔档式褶皱为特征，其构造变形及其组合方式为燕山-喜马拉雅期羌塘地块和南部诸地块向北不等速运动所造成的南北向压应力场所致。
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| 关 键 词： | 羌塘盆地 构造变形 构造应力场 古地磁 地幔流 动力学背景 |
Structural Deformation and Dynamic Mechanism of the Qiangtang Basin, North Tibet |
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| LEI Zhenyu,LI Yongtie,LIU zhong,LU Bing Institute of Petroleum Exploration & Development,Beijing,Daqing Petroleum Institute,Anda City,Heilongjiang Province.Structural Deformation and Dynamic Mechanism of the Qiangtang Basin, North Tibet[J].Geological Review,2001,47(4):415-419. |
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| Authors: | LEI Zhenyu LI Yongtie LIU zhong LU Bing Institute of Petroleum Exploration & Development Beijing Daqing Petroleum Institute Anda City Heilongjiang Province |
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| Abstract: | According to its structure characteristics, the Qiangtang Basin can be divided into five structural areas. The fault-fold zone on the north margin is dominated by imbracated structure, the Mayer Kangri fault-up-welling area by back thrusting blocks, while the Laxong Co-Qoima Co complex fold zone and others are characterized by symmetric or asymmetric structures. The structural deformation is mainly caused by the N-S com-pressive stress field resulting from northward movement of the Qiangtang massif and other southern massives during the Yangshanian-Himalayan period. |
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| Keywords: | Qiangtang Basin structural deformation tectonic stress field palaeomagnetism mantle cur- |
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