Structural deformation and time of late Cenozoic of Huo-Ma-Tu structural belt in South Junggar Basin, Northwest China(准噶尔盆地南缘霍玛吐构造带晚新生代构造变形特征及时间)

通过地震剖面精细地质解释,对准南缘霍马吐构造带的构造变形特征进行了系统分析.认为霍马吐构造带纵向上分三层,第一层为沿着古近系安集海河组底部泥岩层滑脱的单斜带,第二、三层在霍尔果斯为一断层转折-复合楔状叠加褶皱,在玛纳斯为一断层转折-断层传播叠加褶皱,在吐谷鲁则为一断层传播-断层传播叠加褶皱,滑脱层分别为下白垩统和中、下侏罗统的煤系或泥岩.构造变形开始于塔西河组(N1t)沉积期,定型于西城组(Q1x)沉积期及之后,并大体具有“西早东晚”、“上早下晚”的构造变形特征....

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Published inZhejiang da xue xue bao. Journal of Zhejiang University. Sciences edition. Li xue ban Vol. 35; no. 4; pp. 460 - 463
Main Authors LIShu-xin(李树新), HEGuang-yu(何光玉), HEKai-quan(何开泉), WANLi-gao(万里皋), LIUDeng-ming(刘登明), SUNWei-dong(孙卫东), WEIJian-qiang(魏建强), WULei(吴磊), JINWei-feng(金伟峰), FENGXi(冯曦), LINLu(林璐)
Format Journal Article
LanguageChinese
Published Zhejiang University Press 01.07.2008
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ISSN1008-9497
DOI10.3785/j.issn.1008-9497.2008.04.022

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Summary:通过地震剖面精细地质解释,对准南缘霍马吐构造带的构造变形特征进行了系统分析.认为霍马吐构造带纵向上分三层,第一层为沿着古近系安集海河组底部泥岩层滑脱的单斜带,第二、三层在霍尔果斯为一断层转折-复合楔状叠加褶皱,在玛纳斯为一断层转折-断层传播叠加褶皱,在吐谷鲁则为一断层传播-断层传播叠加褶皱,滑脱层分别为下白垩统和中、下侏罗统的煤系或泥岩.构造变形开始于塔西河组(N1t)沉积期,定型于西城组(Q1x)沉积期及之后,并大体具有“西早东晚”、“上早下晚”的构造变形特征.
ISSN:1008-9497
DOI:10.3785/j.issn.1008-9497.2008.04.022