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地质通报  2005 

宁夏中西部香山―天景山地区逆冲推覆构造的特征及演化

, PP. 309-315

Keywords: 逆冲推覆构造天号山北麓断裂燕山期一喜马拉雅期香山―天景山宁夏

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Abstract:

宁夏香山-天景山地区逆冲推覆构造由天景山北麓断裂带(主滑脱断裂)和香山-天景山冲断席(可分为9个次级逆冲推覆岩席)组成,推覆岩席前端为一系列形态相似的铲式叠瓦状逆冲推覆断层,构造变形强烈;岩席内部构造变形相对较弱.整个推覆构造带主要遭受了燕山期和喜马拉雅期挤压逆冲推覆作用,燕山期主压应力σ1方向为44°,由南西往北东推覆,总位移量26.6km;喜马拉雅期主压应力σ1方向为75°,由南西西往北东东逆冲推覆,晚更新世以来还兼有左行走滑,总位移量大于4km.

References

[1]  柴炽章 张维歧.天景山断裂带晚第四纪水平活动强度的分时,分段研究[J].中国地震,1997,13(1):35-42,.
[2]  周特先 姚茂文 等.宁夏构造地貌[M].银川:宁夏人民出版社,1994..
[3]  国家地震局《鄂尔多斯周缘活动断裂系》课题组.鄂尔多斯周缘活动断裂系[M].北京:地震出版社,1988.114-142.
[4]  汪一鹏 宋方敏.宁夏香山―天景山断裂带晚第四纪强震重复间隔的研究[J].中国地震,1990,6(2):15-24,.
[5]  李天斌.宁夏天景山――米钵山奥陶纪地层地球化学特征[J].地层学杂志,1999,23(1):16-25,.
[6]  李天斌.宁夏香山群地层时代的再讨论[J].西北地质,1997,18(2):1-9,.
[7]  李天斌.宁夏南部弧形推覆构造带特征及演化[J].地质力学学报,1999,5(3):22-27,.
[8]  天斌.宁夏香山群砂岩地球化学特征及构造环境与演化[A].见:秦士伟等主编.宁夏青年地学工作者学术论文集[M].北京:地质出版社,1999.1-10.
[9]  Gibbs A D. Linked fault families in basins formation[J]. Journal of Structural Geology, 1990,12(5-6) :795-803.
[10]  Pohn H A. Lateral ramps in the folded Appalachians and in overthrust belts worldwide-a fundamental element of thrust-belt architecture[J]. U. S. Geological Survey Bulletin,2000,2163:1-63.
[11]  Boyer S E. Sendimentary basin taper as a factor controlling the geometry and advance of thrust belts [J]. American Journal of Science,1995, 295: 1220-1254.
[12]  Marshak S,Flottmann T. Structure and origin of the Fleurieu and Nackara Arcs in the Adelaide fold-thrust belt,South Australia:salient and recess development in the Delamerian Orogen [J]. Journal of Structural Geology,1996, 18(7): 891-908.
[13]  Platt J P,Behrmann J H,Cunningham P C, et al. Kinematics of the Alpine arc and the motion history of Adria[J]. Nature,1989,337: 158-161.
[14]  Sandiford M,Paul E,Flottmann T. Sedimentary thickness variation and deformation intensity during basin inversion in the Flinders Ranges,South Australia[J]. Journal of Structural Geology,1998, 20(12): 1721-1731.
[15]  Hindle D,Burkhard M. Strain, displacement and rotation associated with the formation of curvature in fold belts:the example of the Jura arc [J]. Journal of Structural Geology, 1999, 21:1089-1101.
[16]  Hindle D,Besson O,Burkhard M. A model of displacement and strain for arc-shaped mountain belts applied to the Jura arc [J].Journal of Structural Geology,2000, 22: 1285-1296.
[17]  国家地震局地质研究所 宁夏回族自治区地震局.海原活动断裂带[M].北京:地震出版社,1990.256-264.

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