Post-garnet Transition in the System MgSiO_3-Al_2O_3

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Phase relations of the MgSiO<SUB>3</SUB>-Al<SUB>2</SUB>O<SUB>3</SUB> system were examined with special interest of post garnet transition. High pressure experiments were performed using 6-8 type multianvil apparatus based on conventional quenching method at pressures of 26 to 37 GPa and 1600 to 1800°C. It was observed that pyrope dissociates into perovskite solid solution plus corundum solid solution above about 26. 5 GPa, and it was suggested that this phase boundary has a very small negative slope. The stability field of single phase perovskite solid solution in the system MgSiO<SUB>3</SUB>-Al<SUB>2</SUB>O<SUB>3</SUB> extends as pressure increases, and perovskite solid solution isochemical with pyrope stabilizes at about 37 GPa and 1600°C.

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, 122-124, 1998 

    The Japan Society of High Pressure Science and Technology

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各種コード

  • NII論文ID(NAID)
    10002689018
  • 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
    4493854
  • 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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