高圧下における鉱物-マグマ間の元素分配

DOI

書誌事項

タイトル別名
  • Element Partitioning between Minerals and Magma under High Pressure

抄録

Element partitioning between minerals and silicate melt has been investigated at pressures 1-17 GPa, by using 6-8 type multi anvil high pressure apparatus. The observed partition coefficients, D, were plotted on partition coefficient-ionic radius (PC-IR) diagram. In the case of olivine/silicate melt system, Partition coefficient of most of the elements gradually decreased with increasing pressure. However, DAI increased with increase in pressure, and this result may be suggesting that DAI may depend on the composition of coexisting silicate melt. The D-profile appeared in PC-IR diagram of magnesiowustite and anhydrous phase-B shows a peak at around 60-70 pm. Although small differences were found among the D-profile of majorite, Fe-rich garnet and Ca-rich garnet, their D-profies resemble each other, and the fundamental characteristic of D-profile must be the same among these garnets. Partition coefficients of large sized ions, such as Ca and La, were large in merwinite and Ca-perovskite. A peak of D-profile was expected at around 90-100 pm in these minerals, and large sized ions must be incorporated in these minerals.

収録刊行物

  • 火山

    火山 42 (Special), S259-S266, 1997

    特定非営利活動法人 日本火山学会

詳細情報 詳細情報について

  • CRID
    1390282679280605440
  • NII論文ID
    110003041118
  • DOI
    10.18940/kazan.42.special_s259
  • ISSN
    21897182
    04534360
  • 本文言語コード
    ja
  • データソース種別
    • JaLC
    • CiNii Articles
  • 抄録ライセンスフラグ
    使用不可

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