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

被引：6
|
作者：
Li, JP [1 ]
Kornprobst, J
Laporte, D
机构：
[1] Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510640, Peoples R China
[2] Univ Blaise Pascal, Dept Sci Terre, F-630038 Clermont Ferrand, France
来源：
CHINESE SCIENCE BULLETIN | 1999年 / 44卷 / 12期
关键词：
high pressure; MgO-ZnO-SiO2; system; subsolidus; phase relation;
D O I：
10.1007/BF02886147
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The subsolidus phase relations were determined experimentally in the system MgO-ZnO-SiO2 at 1.0 GPa and 1 200 degrees 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)3d(10), different from others transition metal ions, like Fe2+, Ni2+, Co2+.
引用
收藏
页码：1146 / 1149
页数：4
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