High-pressure structural study of diopside
High-pressure structural study of diopside
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DOI：
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发表时间：
1981-04
影响因子：
3.1
通讯作者：
Loursn LEvreN'eNo;CHeRtEs T. PREwrrr
中科院分区：
文献类型：
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作者：
Loursn LEvreN'eNo;CHeRtEs T. PREwrrr
在1大气压至53千巴之间的5种压力下对透透石进行的高压结构研究表明，构成透透石结构的3个多面体M(1)、M(2)和Si的尺寸不规则地减小。M(1)和M(2)的多面体体积均减小约5%，而Si的多面体体积仅减小1%。透辉石与法沙石（另一种斜辉石e）的高压结构变化对比显示出实质性差异，透辉石表现出较少的四面体和M(l)压缩，更多的硅酸盐链扭结。
High-pressure structural studies performed on diopside at five pressures between I atm and 53 kbar show that the three polyhedra that comprise the structure, M(l), M(2), and Si, de crease irregularly in size. The polyhedral volumes of M(l) and M(2) both decrease approxi mately 5%, whereas that of Si decreases only 1%. Comparison of high-pressure structural changes of diopside and fassaite (another clinopyroxen e) shows substantial differences, with diopside showing less tetrahedral and M(l) compression and more silicate-chain kinking.