Texture and Structure Analysis of Metagabbro by Neutron Diffraction

被引：1
|
作者：
Kalvoda, L. [1 ]
Vratislav, S. [1 ]
Dlouha, M. [1 ]
Kruzelova, M. [1 ]
Machek, M. [2 ]
机构：
[1] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Prague 11519 1, Czech Republic
[2] Inst Geophys AS CR, Prague 14131, Czech Republic
来源：
5TH EUROPEAN CONFERENCE ON NEUTRON SCATTERING | 2012年 / 340卷
关键词：
SEISMIC ANISOTROPY; ROCKS; ZONE;
D O I：
10.1088/1742-6596/340/1/012107
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Crystallographic preferential orientation (CPO) of metagabbro mylonite from the eastern part of Stare Mesto belt, Bohemian Massif, is investigated by means of neutron diffraction method. The experiments were performed on the KSN-2 neutron diffractometer situated at the research reactor LVR-15 in the Nuclear Research Institute, plc. Rez, Czech Republic. Based on the collected diffraction patterns, the orientation distribution function of crystalline grains is determined by Rietveld harmonic method for the principal mineral phases - amphibole and plagioclase - and used to calculate (001), (020), (021), (110), (111) (plagioclase) and (001), (11 (1) over bar), (020), (110), (200) (amphibole) pole figures. Lattice parameters of the phases have been obtained from diffraction patterns of a powder specimen. Main features of the observed CPO are compared with results of electron back-scatter diffraction measurements performed formerly on the same sample and with other known data.
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页数：6
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