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Subsolidus phase relations in the system MgO-ZnO-SiO2 at high pressure

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Chinese Science Bulletin

Abstract

The subsolidus phase relations were determined experimentally in the system MgO-ZnO-SiO2 at 1.0 GPa and 1 200°C, by use of the high-pressure apparatus “piston-cylinder”. The results showed characteristics of the phases assemblage different from that in similar ternary systems. It is impossible to form complete Mg2SiO4-Zn2SiO4 olivine and Mg2Si2O6 Zn2Si2O6 pyroxene solid solution. This is controlled by the properties of Zn2+ with an outer layer of electron (Ar)3d10, different from others transition metal ions, like Fe2+, Ni2+, Co2+.

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Authors and Affiliations

  1. Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, 510640, Guangzhou, China

    Jianping Li

  2. Département des sciences de la Terre, Université Blasie Pascal, 630038, Clermont-Ferrand, France

    Jacques Kornprobst & Didier Laporte

Authors
  1. Jianping Li
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  2. Jacques Kornprobst
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  3. Didier Laporte
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Li, J., Kornprobst, J. & Laporte, D. Subsolidus phase relations in the system MgO-ZnO-SiO2 at high pressure. Chin.Sci.Bull. 44, 1146–1149 (1999). https://doi.org/10.1007/BF02886147

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  • DOI: https://doi.org/10.1007/BF02886147

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