10 GPaにおける高TiO<sub>2</sub>ざくろ石の合成

  • 佐藤 公則
    Institute for Study of the Earth's Interior, Okayama University
  • 大沼 晃助
    Institute of Mineralogy, Petrology and Economic Geology, Tohoku University
  • 大谷 栄治
    Institute of Mineralogy, Petrology and Economic Geology, Tohoku University
  • 加藤 工
    Institute of Geoscience, University of Tsukuba

書誌事項

タイトル別名
  • Synthesis of high-TiO2 pyrope-grossular garnet at 10 GPa.
  • Synthesis of high-TiO2 pyrope-grossular

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抄録

A high-titanium containing garnet, SiO2(40.6), TiO2(6.3), Al2O3(18.8), MgO(14.3), CaO(20.21), (wt%) has been synthesized at 10 GPa and 1500°C. Unit cell parameter of this synthetic garnet is determined to be 11.812 Å by micro-focused X-ray diffractmetry and this value is intermediate between those of pyrope and grossular. These results indicate that pyrope-grossular garnet potentially can accommodate TiO2 up to 6.3 wt% at the high of 10 GPa.

収録刊行物

  • 岩鉱

    岩鉱 91 (12), 455-458, 1996

    一般社団法人 日本鉱物科学会

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