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

• Project/Area Number: 19740329
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Petrology/Mineralogy/Science of ore deposit
• Research Institution: Hiroshima University
• Principal Investigator: KATAYAMA Ikuo Hiroshima University, 大学院・理学研究科, 助教 (10448235)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,630,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥330,000); Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000); Fiscal Year 2007: ¥2,200,000 (Direct Cost: ¥2,200,000)
• Keywords: 地殻 / マントル / 核 / ザクロ石 / レオロジー / 沈み込み帯 / 蛇紋石 / 変形実験 / 海洋地殻 / マントルダイナミクス

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

• [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] 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 peridotite xenoliths from Kimberley, South Africa : Origin of the textural variation in the cratonic mantle (2009)
  • Author(s): Katayama, I.
  • Journal Title: Lithos (In press)
  • NAID: 120001700423
  • Peer Reviewed
• [Journal Article] Variable seismic structure near the 660km discontinuity associated with stagnant slabs, geochemical implications (2009)
  • Author(s): Tajima, F.
  • 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
  • NAID: 120001092493
  • 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] Low-temperature, high-stress deformation of olivine under water-saturated condition (2008)
  • Author(s): Katayama, I.
  • Journal Title: Physics of Earth and Planetary Interior 138 Pages: 125-133
  • NAID: 120001092493
  • Peer Reviewed
• [Journal Article] Effects of water and iron content on the rheological contrast between garnet and olivine. (2008)
  • Author(s): Katayama, I.
  • Journal Title: Physics of Earth and Planetary Interior 166 Pages: 57-66
  • Peer Reviewed
• [Journal Article] Annealing time-scale of the cratnic lithosphere of Southern Africa inferred from the shape of inclusion minerals (2008)
  • Author(s): Katayama, I.
  • Journal Title: International Geology Review 50 Pages: 84-88
  • Peer Reviewed
• [Journal Article] Geodynamic significance of seismic anisotropy of tbe upper mantle:New insights from laboratory studies (2008)
  • Author(s): Kaiato, S.
  • Journal Title: Anntial 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 steady state subduction zone models (2008)
  • Author(s): Kneller, E.A.
  • Journal Title: Journal of Geophysical Research 112
  • 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] Thin anisotropic layer in the mantle wedge beneath Northeast Japan (2008)
  • Author(s): Katayama, I.
  • Organizer: American Geophysical Union, Fall Meeting
  • Place of Presentation: Sanfrancisco, USA
  • Year and Date: 2008-12-16
• [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
  • Organizer: 日本地質学会
  • Place of Presentation: 秋田市
  • Year and Date: 2008-09-21
• [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] Distinct olivine slip-system in the sheared and granular mantle xenoliths from the Kimberley, South Africa (2008)
  • Author(s): Katayama, I.
  • Organizer: Asia Oceanic Geosciences Society Meeting
  • Place of Presentation: Busan, South Korea
  • Year and Date: 2008-06-18
• [Presentation] 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
  • Organizer: 地球惑星科学連合大会
  • Place of Presentation: 幕張
  • Year and Date: 2008-05-28
• [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包組織と異方性 (2007)
  • Author(s): 片山郁夫
  • Organizer: 日本鉱物学会
  • Place of Presentation: 東京都
  • Year and Date: 2007-09-23
• [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] 大陸テクトスフェアはなぜ安定か? (2007)
  • Author(s): 片山郁夫
  • Organizer: 日本地質学会第114年学術大会
  • Place of Presentation: 北海道札幌市
  • 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] Is garnet stronger than olivine? (2007)
  • Author(s): Katayama, I.
  • 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] 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
  • Organizer: 地球惑星科学連合大会
  • Place of Presentation: 千葉県幕張市
  • 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
• [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
  • Organizer: 地球惑星科学連合大会
  • Place of Presentation: 千葉県幕張市
  • Year and Date: 2007-05-21
• [Remarks]
  • URL: http://www.geol.sci.hiroshima-u.ac.jp/~geotect/link/katayama.html