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2008 Fiscal Year Final Research Report

Rheological properties of subducted crustal materials based on deformation experiments of garnet

Research Project

  • PDF
Project/Area Number 19740329
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Petrology/Mineralogy/Science of ore deposit
Research InstitutionHiroshima University

Principal Investigator

KATAYAMA Ikuo  Hiroshima University, 大学院・理学研究科, 助教 (10448235)

Project Period (FY) 2007 – 2008
Keywords地殻 / マントル / 核
Research Abstract

沈み込んだ海洋地殻物質を構成するザクロ石のレオロジー的性質(流動特性)を高温高を変形実験により調べた結果、ザクロ石の塑性強度は含水量に強く依存することが分かり、低含水量ではザクロ石はオリビンより強度が高いが、高含水量ではオリビンより強度が低く流動しやすいことが分かった。このことは、水に富んだ環境では海洋地殻物質は低い粘性率を持つため周りのマントル物質と混合しやすいが、枯渇した条件では粘性率が高くマントル内部で孤立した化学不均質として存在している可能性が高い。

  • Research Products

    (19 results)

All 2009 2008 2007 Other

All Journal Article (9 results) (of which Peer Reviewed: 8 results) Presentation (9 results) Remarks (1 results)

  • [Journal Article] Thin anisotropic layer in the mantle wedge beneath northeast Japan.2009

    • Author(s)
      Katayama, I.
    • Journal Title

      Geology 37

      Pages: 211-214

    • Peer Reviewed
  • [Journal Article] Mineral chemistry and P-T condition of granular and sheared peridotitexenoliths from Kimberley, South Africa:Origin of the textural variation in the cratonic mantle.2009

    • Author(s)
      Katayama, I., Suyama, Y., Ando, J. and Komiya, T.
    • Journal Title

      Lithos

    • Peer Reviewed
  • [Journal Article] Variable seismic structure near the 660km discontinuity associated with stagnant slabs, geochemical implications.2009

    • Author(s)
      Tajima, F., Katayama, I. and Nakagawa, T.
    • Journal Title

      Physics of Earth and Planetary Interior 172

      Pages: 183-198

    • Peer Reviewed
  • [Journal Article] Low-temperature, high-stress deformation of olivine under water-saturated condition.2008

    • Author(s)
      Katayama, I. and Karato, S.
    • Journal Title

      Physics of Earth and Planetary Interior 168

      Pages: 125-133

    • Peer Reviewed
  • [Journal Article] Effects of water and iron content on the rheological contrast between garnet and olivine.2008

    • Author(s)
      Katayama, I. and Karato, S.
    • Journal Title

      Physics of Earth and Planetary Interior 166

      Pages: 57-66

    • Peer Reviewed
  • [Journal Article] Annealing time-scale of the cratonic lithosphere of Southern Africa inferred from the shape of inclusion minerals.2008

    • Author(s)
      Katayama, I., Komiya, T. and Toriumi, M.
    • Journal Title

      International Geology Review 50

      Pages: 84-88

    • Peer Reviewed
  • [Journal Article] かんらん石格子選択配向の実験的研究と沈み込み帯での地震波異方性2008

    • Author(s)
      片山郁夫
    • Journal Title

      月刊地球 30

      Pages: 2-7

  • [Journal Article] Geodynamic significance of seismic anisotropy of the upper mantle: New insights from laboratory studies.2008

    • Author(s)
      Karato, S., Jung, H., Katayama, I. and Skemer, P.
    • Journal Title

      Annual Review of Earth and Planetary Sciences 36

      Pages: 59-95

    • Peer Reviewed
  • [Journal Article] Stress, strain, and B-type olivine fabric in the fore-arc mantle : sensitivity tests using high-resolution steadystate subduction zone models.2007

    • Author(s)
      Kneller, E.A., van Keken, P.E., Katayama, I.and Karato, S.
    • Journal Title

      112

    • Peer Reviewed
  • [Presentation] Thin anisotropic layer in the mantle wedge beneath Northeast Japan.2008

    • Author(s)
      I. Katayama
    • Organizer
      American Geophysical Union, Fall Meeting
    • Place of Presentation
      Sanfrancisco, USA
    • Year and Date
      2008-12-17
  • [Presentation] キンバーライト捕獲岩の温度圧力条件と変形組織の関係2008

    • Author(s)
      片山郁夫、陶山由夏、安東淳一、道林克禎、小宮剛
    • Organizer
      日本地質学会第115年学術大会
    • Place of Presentation
      秋田
    • Year and Date
      2008-09-20
  • [Presentation] Distinct olivine slip-system in the sheared and granular mantle xenoliths from theKimberley, South Africa.2008

    • Author(s)
      I. Katayama, K. Michibayashi, J. Ando, T.Komiya.
    • Organizer
      Asia Oceanic Geosciences Society Meeting
    • Place of Presentation
      Busan, South Korea
    • Year and Date
      2008-06-18
  • [Presentation] 小宮剛 キンバーライト捕獲岩の変形組織とかんらん石すべり系の関係2008

    • Author(s)
      片山郁夫、道林克禎、安東淳一、小宮剛
    • Organizer
      2008 年地球惑星科学連合大会
    • Place of Presentation
      幕張
    • Year and Date
      2008-05-17
  • [Presentation] 大陸下マントル捕獲岩の変形微細組織と異方性2007

    • Author(s)
      片山郁夫、安東淳一、道林克禎、小宮剛
    • Organizer
      日本鉱物学会
    • Place of Presentation
      本郷
    • Year and Date
      2007-09-17
  • [Presentation] 大陸テクトスフェアはなぜ安定か?2007

    • Author(s)
      片山郁夫、是永淳
    • Organizer
      日本地質学会第114 年学術大会
    • Place of Presentation
      札幌
    • Year and Date
      2007-09-10
  • [Presentation] Is garnet stronger than olivine?2007

    • Author(s)
      I. Katayama, S. Karato.
    • Organizer
      International Eclogite Symposium
    • Place of Presentation
      Lochalsh, Scotland
    • Year and Date
      2007-07-04
  • [Presentation] オリビン選択配向に対する水の効果と沈み込み帯地震波異方性に関する考察2007

    • Author(s)
      片山郁夫、唐戸俊一郎(招待講演)
    • Organizer
      2007 年地球惑星科学連合大会
    • Place of Presentation
      幕張
    • Year and Date
      2007-05-22
  • [Presentation] 沈み込んだ海洋地殻の行方:レオロジー的性質からの考察2007

    • Author(s)
      片山郁夫、唐戸俊一郎(招待講演)
    • Organizer
      2007 年地球惑星科学連合大会
    • Place of Presentation
      幕張
    • Year and Date
      2007-05-21
  • [Remarks]

    • URL

      http://www.geol.sci.hiroshima-u.ac.jp/~geotect/link/katayama.html

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Published: 2010-06-10   Modified: 2016-04-21  

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