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Yang He-qun. Thinking about the mechanism of geomagnetic polarity reversal[J]. Northwestern Geology, 2002, 35(3): 126-130.
Citation: Yang He-qun. Thinking about the mechanism of geomagnetic polarity reversal[J]. Northwestern Geology, 2002, 35(3): 126-130.
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Thinking about the mechanism of geomagnetic polarity reversal

  • Xi'an Institute of Geology and Mineral Resources, Xi'an 710054, China

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  • Received Date: January 04, 2001
  • Revised Date: January 08, 2001
  • Published Date: September 04, 2002
    Graphical Abstract
    • Abstract
  • Geomagnetic polarity reversal was often happened in the geologic history. The author tries to probe its mechanism. In the paper, Earth sinterior is divided into five dynamics layers: lithosphere, rheosphere, mesosphere, liquid sphere and solid nucleus. It is considered that the mesosphere and solid nucleus may asynchronously rotate, and this motion drives closed-vortexes in the liquid sphere. Earth magnetic dipole field originates from each other effect between Galaxy magnetic field and the closed-vortexes in Earth's liquid sphere.The geom agnetic polarity depends on the directions of Galaxy magnetic field and the closed-vortexes in the liquid sphere.While one of the two changes its direction,geomagnetic field changes its polarity.
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    • References (4)
  • 成都地质学院普通地质教研室.动力地质学原理[M].北京:地质出版社,1978.
    徐世浙.古地磁学概论[M].北京:地震出版社,1982.
    J.A.雅各布斯,R·D·拉塞尔,J·T·威尔逊.物理学与地质学[M].北京:海洋出版社,1974.
    徐道一,杨正宗,张勤文,孙亦因.天文地质学概论[M].北京:地质出版社,1983.
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