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Volume 22 Issue 2
Apr.  2011
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Influences of Lower-Mantle Properties on the Formation of Asthenosphere in Oceanic Upper Mantle

  • Received Date: 2017-03-21
  • Asthenosphere is a venerable concept based on geological intuition of Reginald Daly nearly 100 years ago. There have been various explanations for the existence of the asthenosphere. The concept of a plume-fed asthenosphere has been around for a few years due to the ideas put forth by Yamamoto et al.. Using a two-dimensional Cartesian code based on finite-volume method, we have investigated the influences of lower-mantle physical properties on the formation of a low-viscosity zone in the oceanic upper mantle in regions close to a large mantle upwelling...
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Influences of Lower-Mantle Properties on the Formation of Asthenosphere in Oceanic Upper Mantle

  • 1. Department of Geology and Geophysics and Minnesota Supercomputing Institute, University of Minnesota, Minneapolis, MN 55415, USA
  • 2. Department of Planetary Physics, Institute of Planetary Research, German Aerospace Center (DLR), Berlin, Germany
  • 3. Department of Geophysics, Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic

Abstract: Asthenosphere is a venerable concept based on geological intuition of Reginald Daly nearly 100 years ago. There have been various explanations for the existence of the asthenosphere. The concept of a plume-fed asthenosphere has been around for a few years due to the ideas put forth by Yamamoto et al.. Using a two-dimensional Cartesian code based on finite-volume method, we have investigated the influences of lower-mantle physical properties on the formation of a low-viscosity zone in the oceanic upper mantle in regions close to a large mantle upwelling...

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