| 中下扬子地区的壳幔结构及其与地震相关性的研究 |
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| 引用本文： | 周国藩.中下扬子地区的壳幔结构及其与地震相关性的研究[J].大地测量与地球动力学,1994(4). |
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| 作者姓名： | 周国藩 |
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| 作者单位： | 中国地质大学 |
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| 摘 要： | 针对中下扬子地区人口稠密、经济建设蓬勃发展、而其地壳构造十分复杂、天然地震比较活跃的现实情况，以实测的地球物理资料与卫星重力异常等相结合，分析了该地区地壳构造和上地幔深部构造的基本特征，指出该地区中强震的形成和发生既有可能与地壳层中存在的低速带和高导层有关，还可能与更深部上地幔内部构造的背景因素有关。文中还提出了一些值得进一步探讨的问题。
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| 关 键 词： | 地壳构造，地震，中、下扬子地区重力异常 |
STUDY ON THE CRUST-MANTLE STRUCTURE IN MID-LOWER YANGTZE AREA AND ITS CORELATION TO EARTHQUAKES |
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| Zhou Guofan.STUDY ON THE CRUST-MANTLE STRUCTURE IN MID-LOWER YANGTZE AREA AND ITS CORELATION TO EARTHQUAKES[J].Journal of Geodesy and Geodynamics,1994(4). |
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| Authors: | Zhou Guofan |
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| Abstract: | In mid-lower Yanstze area with a mass of population,the crustal structure is complex,and the earthquakes are in activity.By combining the observed geophysical data with gravity anomaly,the characteristics of the crustal structure and deep structure of uppermantle in the area are analyzed.It is pointed out in this paper that the occurrence of mid-strong earthquake may be related not only to the existence of the low velocity zone and high conductive layer, but also to the structural factors in upper mantle.Some questions are put forward to further discuss. |
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| Keywords: | crustal structure deep structure earthquake mid-lower Yangtze area gravity anomaly |
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