Element Partitioning Between High Pressure Minerals and the Coexisting Silicate Melt

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Element partitioning between mantle minerals (Mg-perovskite, Ca-perovskite, majorite, olivine) and coexisting silicate melt has been investigated at pressures 14 - 23 GPa and 2400 - 2600°C, by using 6-8 type multianvil high-pressure apparatus. The observed partition coefficients, D, were plotted on partition coefficient-ionic radius (PC-IR) diagrams. A peak was found at around 70 pm in the D-profile of olivine. It was difficult to identify peaks of D-profile in majorite/liquid and Mg-perovskite/liquid, but the profile of Mg-perovskite/liquid suggests a peak at around 70 pm, which may correspond to the 8-fold site of distorted perovskite structure. There was a bottom of the D-profile of Caperovskite/liquid at around 70 - 80 pm, and the existence of peaks at around 50 and 100 pm is expected from the observed D-profile. Partition coefficients of large ions, such as Ca and La, were large in Ca-perovskite/liquid.

収録刊行物

  • 高圧力の科学と技術 = The Review of high pressure science and technology  

    高圧力の科学と技術 = The Review of high pressure science and technology 7, 98-100, 1998 

    The Japan Society of High Pressure Science and Technology

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各種コード

  • NII論文ID(NAID)
    10002688933
  • NII書誌ID(NCID)
    AN10452913
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    0917639X
  • NDL 記事登録ID
    4493846
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z17-1589
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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