X-Ray Single Crystal Studies of Olivines in Yamato-74354 and -74371 Meteorites

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概要

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• The olivines from Yamato-74354 (L5-6) and -74371 (H5) meteorites have been studied by X-ray diffraction method. The crystal structures of olivines have been refined using X-ray intensity data. The site preference of metal cations for M1 and M2 sites in both olivine structures has been determined. The cation distributions of Mg^<2+> and Fe^<2+> in M1 and M2 sites for these olivines show a slight tendency to disorder. For Yamato-74354 and -74371 olivines, the distribution coefficient K_D is 1.09 and 0.92,respectively. This tendency resembles the tendency of cation distribution in metamorphic olivines.

• 国立極地研究所の論文

著者

• Matsumoto Takeo

  Department Of Earth Sciences Faculty Of Science Kanazawa University

• Yamaji Motohiro

  Department of Earth Sciences, Faculty of Science, Kanazawa University

• Yamaji Motohiro

  Department Of Earth Sciences Faculty Of Science Kanazawa University

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