Compressional Wave Velocities in Eclogites of the Dabieshan, Central China to 5.0GPa: A Preliminary Result.

DOI Web Site 参考文献20件
  • Zhao Zhidan
    Institute of Geochemistry, Chinese Academy of Sciences
  • Xie Hongsen
    Institute of Geochemistry, Chinese Academy of Sciences
  • Zhou Wenge
    Institute of Geochemistry, Chinese Academy of Sciences
  • Zhang Zeming
    Faculty of Earth Sciences, China University of Geosciences
  • Guo Jie
    Institute of Geochemistry, Chinese Academy of Sciences
  • Zhang Yueming
    Institute of Geochemistry, Chinese Academy of Sciences
  • Xu Zuming
    Institute of Geochemistry, Chinese Academy of Sciences
  • Xu Ji-an
    Institute of Earth Sciences, Academia Sinica

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タイトル別名
  • Compressional Wave Velocities in Eclogi

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The Dabie high- and ultrahigh-pressure metamorphic belt is a collisional orogen where coesite and microdiamond inclusions were found. Ten eclogite samples, five from the high-pressure (HP) belt and five from the ultrahigh-pressure (UHP) belt, were selected and measured the compressional wave velocities (Vp) in three mutually orthogonal directions. The UHF eclogites seem to have higher Vp than the HP samples at the identical pressures. The anisotropy in samples from UHP belt (4. 16 %) is less than that from HP belt (6. 37 %). Eclogite, with a possible content from 7. 8 to 16. 5 % is distributed in the crust beneath the central Dabieshan.

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