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Luo Xiangfei, Fang Shengming, Qin Jianzeng, Li Yangyang, Li Deqing, Li Yongjiang. 2017: The tectonic significance of Bouguer gravity anomaly and normalized total gradient in Yichuan-Tai'an profile. Acta Seismologica Sinica, 39(2): 220-229. DOI: 10.11939/jass.2017.02.005
Citation: Luo Xiangfei, Fang Shengming, Qin Jianzeng, Li Yangyang, Li Deqing, Li Yongjiang. 2017: The tectonic significance of Bouguer gravity anomaly and normalized total gradient in Yichuan-Tai'an profile. Acta Seismologica Sinica, 39(2): 220-229. DOI: 10.11939/jass.2017.02.005
shu

The tectonic significance of Bouguer gravity anomaly and normalized total gradient in Yichuan-Tai'an profile

  • Geophysical Exploration Center, China Earthquake Administration, Zhengzhou 450002, China

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  • Received Date: June 27, 2016
  • Revised Date: September 07, 2016
  • Published Date: February 28, 2017
    Graphical Abstract
    • Abstract
  • Based on the high precision data of gravity observation and GPS, we have obtained finer first derivative gradient in vertical direction and the normalized total gradient (GH) image of Bouguer gravity anomaly in Yichuan-Tai'an profile. A further investigation on the vertical first derivative gradient characteristics is carried out with the results in literature, from which we could conclude that it mainly expresses the shallow source location and features of low density geological body. Using the GH image, we also analyzed and explained the spatial distribution characteristics of seven major faults that the profile goes through and speculated the possible buried depths and properties of each fault.
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    • References (76)
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