Comparison of iron-bearing minerals in ordinary chondrites from H, L and LL groups using Mossbauer spectroscopy with a high velocity resolution

被引：31

作者：

Maksimova, A. A. ^{[1
]}

Oshtrakh, M. I. ^{[1
,2
]}

Petrova, E. V. ^{[1
]}

Grokhovsky, V. I. ^{[1
]}

Semionkin, V. A. ^{[1
,2
]}

机构：

[1] Ural Fed Univ, Inst Phys & Technol, Dept Phys Tech & Devices Qual Control, Ekaterinburg 620002, Russia

[2] Ural Fed Univ, Inst Phys & Technol, Dept Expt Phys, Ekaterinburg 620002, Russia

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2017年 / 172卷

基金：

俄罗斯基础研究基金会;

关键词：

Ordinary chondrites; Fe-57 Mossbauer spectroscopy; Microcrystals of iron-bearing minerals; Hyperfine interactions; M2; SITES; METEORITE; TROILITE; OLIVINE; FE-57; M1;

D O I：

10.1016/j.saa.2016.04.032

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Ordinary chondrites from H, L and LL groups were studied using Mossbauer spectroscopy with a high velocity resolution. Mossbauer parameters of spectral components were obtained using new fitting model excluding the effect of previous misfits of troilite component. Obtained parameters were related to corresponding iron bearing minerals in ordinary chondrites. The differences of these minerals content as well as small differences in the hyperfine parameters of the same iron-bearing minerals were revealed for different meteorites. The temperatures of equilibrium cations distribution in silicates were estimated and suitable parameters for classification of H, I. and LL chondrites were supposed using Mossbauer parameters. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：65 / 76

页数：12

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