| 内蒙古河套断陷带及其邻区地壳磁性构造特征 |
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| 引用本文： | 张先,贺为民,沈京秀,赵丽,李长法.内蒙古河套断陷带及其邻区地壳磁性构造特征[J].西北地震学报,1995,17(1):31-35. |
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| 作者姓名： | 张先 贺为民 沈京秀 赵丽 李长法 |
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| 作者单位： | 国家地震局地球物理勘探大队 |
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| 摘 要： | 本文依据航磁资料和频率域磁性单界反演方法，计算了河套断陷带及其邻区的基底磁性界埋深；依据三维磁性层反演方法求取了该区磁性层下界面，即居里界面的埋深；分析了磁性层上下界面的定量特征，并结合重力、地热、地形变诸方面的研究成果，讨论讨论了该区的地壳结构特征及地震成因。
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| 关 键 词： | 地震地质 磁性构造 河套断陷带 地壳结构 |
| 收稿时间： | 1994/4/10 0:00:00 |
CRUSTAL MAGNETIC STRUCTURE CHARACTERS IN HETAO RIFT ZONE AND ITS VICINITY,INNER MONGOLIA |
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| Zhang Xian,He Weimin,Shen Jingxiu,Zhao Li and Li Changfa.CRUSTAL MAGNETIC STRUCTURE CHARACTERS IN HETAO RIFT ZONE AND ITS VICINITY,INNER MONGOLIA[J].Northwestern Seismological Journal,1995,17(1):31-35. |
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| Authors: | Zhang Xian He Weimin Shen Jingxiu Zhao Li and Li Changfa |
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| Institution: | GeoPhysical Prospecting Brigade, SSB, Zhengzhou 450003,GeoPhysical Prospecting Brigade, SSB, Zhengzhou 450003,GeoPhysical Prospecting Brigade, SSB, Zhengzhou 450003,GeoPhysical Prospecting Brigade, SSB, Zhengzhou 450003 and GeoPhysical Prospecting Brigade, SSB, Zhengzhou 450003 |
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| Abstract: | The buried depth of basement magnetism interface in Hetao rift zone and its adjacentarea,Inner Mongolla, is calculated by using inversion method for aeromagnetic data and singlemangnetic boundary in the frequency domain. The buried depth of lower boundary of magneticlayer,i.e. Curie surfaee,is also calculated in terms of inversion theory for 3-D magnetic stra-tum.Quantitative features of the upper and tower boundaries of the magnetic stratum are anal-ysed and the crustal structure characteristics and seismogenesis of this area are discussed basedon the research results for gravity,geotherm and ground deformatfon. |
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| Keywords: | Inner Mongolia Hetao trough system Crustal structure Curie isothermal surface |
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