ザクロ石中の拡散と変成作用の時間スケール Diffusion in Garnet and the Time Scale of Metamorphism

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This paper reviews recent advances in the analysis of diffusion in garnet in relation to efforts to evaluate the time scale of metamorphism. First, the basic concept of diffusion in crystals (volume diffusion) is presented to clarify the cumbersome terminology in the study of diffusion, the usage of which is sometimes confused. Then some physical and mathematical treatments for analyzing multi-component diffusion, such as the mean-field theory and the eigen vector analysis are discussed in detail. Finally, efforts to evaluate the time scale of metamorphism by Ganguly et al. (1996) using a natural garnet-garnet diffusion couple is critically discussed.

This paper reviews recent advances in the analysis of diffusion in garnet in relation to efforts to evaluate the time scale of metamorphism. First, the basic concept of diffusion in crystals (volume diffusion) is presented to clarify the cumbersome terminology in the study of diffusion, the usage of which is sometimes confused. Then some physical and mathematical treatments for analyzing multi-component diffusion, such as the mean-field theory and the eigen vector analysis are discussed in detail. Finally, efforts to evaluate the time scale of metamorphism by Ganguly <I>et al</I>. (1996) using a natural garnet-garnet diffusion couple is critically discussed.

収録刊行物

  • 地學雜誌  

    地學雜誌 108(2), 132-149, 1999-04-25 

    社団法人 東京地学協会

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各種コード

  • NII論文ID(NAID)
    10002238928
  • NII書誌ID(NCID)
    AN00322536
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    0022135X
  • NDL 記事登録ID
    4780789
  • NDL 雑誌分類
    ZM41(科学技術--地球科学)
  • NDL 請求記号
    Z15-169
  • データ提供元
    CJP書誌  NDL  IR  J-STAGE 
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