| 柴达木盆地近SN向构造形成机制与油气成藏意义 |
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| 引用本文： | 操成杰,王小凤.柴达木盆地近SN向构造形成机制与油气成藏意义[J].地质力学学报,2005,11(1):74-80. |
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| 作者姓名： | 操成杰 王小凤 |
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| 作者单位： | 中国地质科学院地质力学研究所, 北京 100081 |
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| 基金项目： | 中国地质调查局科研项目;青海油田科技项目 |
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| 摘 要： | 近SN向构造在中国中西部各盆地都有发现,其规模不大,但对油气成藏却具有显著的控制作用.在相关课题研究成果的基础上,依据大量钻探、物探、实验分析和测试等资料,以及构造形迹分析、构造运动的沉积响应、古地温场的响应和磁组构分析资料,较为系统地阐述了柴达木盆地新生代构造应力场特征,探讨了柴达木盆地内近SN向构造形成的力学机制及其在油气成藏中的突出地位和作用.
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| 关 键 词： | 构造变形 磁组构 古地温 构造应力场 油气成藏 柴达木盆地 |
| 文章编号： | 1006-6616(2005)01-0074-07 |
| 收稿时间： | 2005/1/5 0:00:00 |
| 修稿时间： | 2005年1月5日 |
GENETIC MECHANISM OF NEARLY N-S-TRENDING STRUCTURE IN THE QAIDAM BASIN AND THEIR SIGNIFICANCE FOR FORMATION OF HYDROCARBON ACCUMULATIONS |
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| CAO Chen-jie and WANG Xiao-feng.GENETIC MECHANISM OF NEARLY N-S-TRENDING STRUCTURE IN THE QAIDAM BASIN AND THEIR SIGNIFICANCE FOR FORMATION OF HYDROCARBON ACCUMULATIONS[J].Journal of Geomechanics,2005,11(1):74-80. |
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| Authors: | CAO Chen-jie and WANG Xiao-feng |
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| Institution: | Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China |
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| Abstract: | Nearly N-S-trending structures are found in all basins of west-central China. They are not large in scale but have a marked controlling effect on the formation of hydrocarbon accumulations. On the basis of the research results of relevant subjects, combined with a wealth of drilling, geophysical, experimental and analytical data, and through studies of structural features, sedimentary response to tectonic movement and response to the subsurface paleotemperature field and magnetic fabric analysis, the paper systematically elucidates the features of the Cenozoic tectonic stress field in the Qaidam basin and discusses the dynamic mechanism of the formation of nearly N-S-trending structures and their prominent position and role in the formation of hydrocarbon accumulations in the Qaidam basin. |
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| Keywords: | tectonic deformation magnetic fabric subsurface paleotemperature tectonic stress field formation of hydrocarbon accumulations Qaidam basin |
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