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Identification of Radiative Thermal Conductivity of Olivine up to 25 Kbar and 1500 K

  • G. H. Schärmeli

Abstract

Ever since the first model calculations of the thermomechanical state of the lithosphere or upper mantle, it has become desirable to have precise knowledge of the thermal conductivity and thermal diffusivity of mantle materials as a function of pressure and temperature. Due to the uncertainty of the thermal conduction involved, it has not been possible, for example, to conclude from the results of sea floor spreading models whether the oceanic lithosphere in an area should be regarded as depleted or enriched in radioactive elements [1]. Statements on lateral petrological variations normal to the crest axis of spreading centers [2] and on temperature depth distributions [3] have remained doubtful. More recent models of the thermomechanical state of the upper mantle [4] or of convection [5,6] are suitable for providing more precise information relative to a variable thermal conductivity.

Keywords

Thermal Conductivity Thermal Resistivity Optical Scattering Variable Thermal Conductivity Radiation Contribution 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1979

Authors and Affiliations

  • G. H. Schärmeli
    • 1
  1. 1.Universität MünchenMunichW. Germany

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