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WEN Zhiliang, ZENG Qingming, TIAN Zhongying, LIU Jiang, ZHANG Xinshe, MENG Xiaojie, NIU Qian, SUN Shaozhen. 2022. Characteristics and Activity Analysis of Main Active Faults in Tianshui City, North Margin of Western Qinling Mountains. Northwestern Geology, 55(2): 166-175. doi: 10.19751/j.cnki.61-1149/p.2022.02.014
Citation: WEN Zhiliang, ZENG Qingming, TIAN Zhongying, LIU Jiang, ZHANG Xinshe, MENG Xiaojie, NIU Qian, SUN Shaozhen. 2022. Characteristics and Activity Analysis of Main Active Faults in Tianshui City, North Margin of Western Qinling Mountains. Northwestern Geology, 55(2): 166-175. doi: 10.19751/j.cnki.61-1149/p.2022.02.014
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Characteristics and Activity Analysis of Main Active Faults in Tianshui City, North Margin of Western Qinling Mountains

  • 1. Xi'an Center of China Geological Survey (Northwest China Center for Geoscience Innovation), Xi'an 710054, Shaanxi, China;

  • 2. Xi & apos; an Northwest Nonferrous Geophysical & Geochemical Exploration Co. Ltd., Xi'an 710068, Shaanxi, China

Received Date:  07 June 2021
Revised Date:  22 November 2021
    Abstract
  • Based on the comprehensive geological survey and research of the active fault zone in Tianshui city by means of combining the ground geological survey, deep geophysical exploration and high precision remote sensing image interpretation, the distribution, exposure, scale and fault characteristics of the active fault zone in this area are basically identified. There are three groups of, NWW, NW and NE active faults, which control the geological and geomorphological pattern of Tianshui city since Cenozoic. The NWW fault is the main active fault in Tianshui city, with large extension along the fault strike, wide exposed fracture zone, and strong to strong activity. The NW fault is medium, and the NE fault is weak. This study is of great significance for improving the research degree of active faults, land space planning and disaster prevention and mitigation of Tianshui city.
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