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Subsolidus phase relations in the system MgO-ZnO-SiO_2 at high pressure 被引量：2

Subsolidus phase relations in the system MgO-ZnO-SiO_2 at high pressure
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摘要 The subsolidus phase relations were determined experimentally in the system MgO-ZnO-SiO2 at 1.0 GPa and 1 200℃, 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+ . The subsolidus phase relations were determined experimentally in the system MgO-ZnO-SiO2 at 1.0 GPa and 1 200℃, 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+ .
作者 LI Jianping, Jacques Kornprobst Didier Laporte Guangzhou Institute of Geochemistry , Chinese Academy of Sciences , Guangzhou 510640, China Departement des Sciences de la Terre, University Blasie Pascal, 630038 Clermont-Ferrand, France
出处 《Chinese Science Bulletin》 SCIE EI CAS 1999年第12期1146-1149,共4页
关键词 high PRESSURE MgO-ZnO-SiO2 system subsolidus phase relation. high pressure, MgO-ZnO-SiO2 system, subsolidus, phase relation.
分类号 O521 [理学—高压高温物理]
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参考文献9

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Chinese Science Bulletin
1999年 第12期

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