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Positioning and Activity of the Buried Fault along the Northern Margin of Zhongwei Basin Based on Shallow Seismic and Drilling
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Chao LIU1, Xinsheng HUA2, Duo WANG3, Qiyun LEI1, Zhiqun WU1, Sihan YU1
Journal of Geodesy and Geodynamics | 2025, 45(2) : 151 - 156
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Journal of Geodesy and Geodynamics | 2025, 45(2): 151-156
Positioning and Activity of the Buried Fault along the Northern Margin of Zhongwei Basin Based on Shallow Seismic and Drilling
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Chao LIU1, Xinsheng HUA2, Duo WANG3, Qiyun LEI1, Zhiqun WU1, Sihan YU1
Affiliations
  • 1 Earthquake Agency of Ningxia Hui Autonomous Region, 244 East-Beijing Road, Yinchuan 750001, China
  • 2 Geophysical Exploration Center, CEA, 75 Wenhua Road, Zhengzhou 450002, China
  • 3 College of Earth Sciences, Guilin University of Technology, 319 Yanshan Street, Guilin 541006, China

    • LIU Chao, engineer, majors in urban active fault detection and active tectonics, E-mail:

About Author:

LIU Chao, engineer, majors in urban active fault detection and active tectonics, E-mail:

Published: 2025-02-15 doi: 10.14075/j.jgg.2024.04.152
Outline
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In order to investigate the tectonic characteristics, planar distribution, and active period of the buried fault (Hetan-Guotan buried fault) in the northern margin of Zhongwei basin, Ningxia, we apply the method of shallow seismic exploration to the attitude, character, position and burial depths of uppermost aspects of this buried fault. Furthermore, the composite drilling section explores the exact location and more reliable uppermost point, and we identify the latest active period of this buried fault by a sample dating test. The results show that the Hetan-Guotan buried fault is a normal fault trending near EW and dipping S, extending for approximately 12.5 km. The uppermost point of this fault is buried at a depth of more than 38 m, and the apparent dip of the fault is 75°. The Hetan-Guotan buried fault is not an active fault, because its latest active period was the middle-late middle Pleistocene, and it has been inactive at the end middle Pleistocene and since the late Pleistocene.

shallow seismic exploration  /  composite drilling section exploration  /  Zhongwei basin  /  buried fault  /  activity
刘超, 花鑫升, 王度, 雷启云, 武治群, 余思汗. 基于浅震和钻探的中卫盆地北缘隐伏断层定位及活动性研究. 大地测量与地球动力学, 2025 , 45 (2) : 151 -156 . DOI: 10.14075/j.jgg.2024.04.152
Chao LIU, Xinsheng HUA, Duo WANG, Qiyun LEI, Zhiqun WU, Sihan YU. Positioning and Activity of the Buried Fault along the Northern Margin of Zhongwei Basin Based on Shallow Seismic and Drilling[J]. Journal of Geodesy and Geodynamics, 2025 , 45 (2) : 151 -156 . DOI: 10.14075/j.jgg.2024.04.152
Funding
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  • Natural Science Foundation of Ningxia(2023AAC03815)
  • Youth Talent Nurturing Program of Science and Technology in Autonomous Region, 2023
  • Project of Seismic Active Fault Detection and Seismic Hazard Assessment in Shapotou District, Zhongwei
  • Innovation Team of Researching Active Fault and Earthquake Hazard(CX2023-03)
Appendix
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Year 2025 volume 45 Issue 2
36
14
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Article Info
doi: 10.14075/j.jgg.2024.04.152
  • Receive Date：2024-04-07
  • Online Date：2026-10-30
  • Published：2025-02-15
Article Data
Affiliations
History
  • Received：2024-04-07
Funding
Natural Science Foundation of Ningxia(2023AAC03815)
Youth Talent Nurturing Program of Science and Technology in Autonomous Region, 2023
Project of Seismic Active Fault Detection and Seismic Hazard Assessment in Shapotou District, Zhongwei
Innovation Team of Researching Active Fault and Earthquake Hazard(CX2023-03)
Affiliations
    1 Earthquake Agency of Ningxia Hui Autonomous Region, 244 East-Beijing Road, Yinchuan 750001, China
    2 Geophysical Exploration Center, CEA, 75 Wenhua Road, Zhengzhou 450002, China
    3 College of Earth Sciences, Guilin University of Technology, 319 Yanshan Street, Guilin 541006, China
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https://castjournals.cast.org.cn/joweb/ddcl/EN/10.14075/j.jgg.2024.04.152
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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