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Remelting of oceanic lithospheric mantle in an incipient island arc setting and formation of boninite melt

Research Project

Project/Area Number 19540478
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Geology
Research InstitutionNiigata University

Principal Investigator

TAKAZAWA Eiichi  Niigata University, 自然科学系, 准教授 (80222082)

Project Period (FY) 2007 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2009: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2007: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywordsオフィオライト / マントル / かんらん岩 / 島弧 / ボニナイト / 部分融解 / 海嶺セグメント / スピネル / オマーンオフィオライト / 海洋リソスフェア / 上部マントル / 苦鉄質ダイク / 初期島弧 / 中央海嶺 / 塑性流動 / ハルツバージャイト / 剪断帯
Research Abstract

オマーンオフィオライト北部に位置するフィズ岩体マントルセクションに分布するかんらん岩類と貫入岩類の構造と化学組成を分析し、中央海嶺における海洋リソスフェアの形成から海洋デタッチメントによる初期島弧での改変のプロセスを明らかにした。とくに融け残りかんらん岩の組成分布から海嶺セグメント構造が見いだされた。海嶺セグメント境界には高枯渇のハルツバージャイトとダナイトが分布し,海洋リソスフェアのデタッチメントに伴い,多量の流体が流動したことが明らかになった。

Report

(4 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • 2007 Annual Research Report
  • Research Products

    (20 results)

All 2009 2008 2007

All Journal Article (8 results) (of which Peer Reviewed: 6 results) Presentation (12 results)

  • [Journal Article] オマーンオフィオライト・フィズ岩体の海嶺セグメント構造とマントルセクションの組成変化2008

    • Author(s)
      村上龍太朗・菅家奈未・高澤栄一
    • Journal Title

      月刊地球 Vol.343

      Pages: 86-93

    • Related Report
      2009 Final Research Report
  • [Journal Article] Primary melting sequence of a deep (> 250 km) lithospheric mantle as recorded in the geochemistry of kimberlite-carbonatite assemblages, Snap Lake dyke system2008

    • Author(s)
      Agashev, A.M., Pokhilenko, N.P., Takazawa, E., 他4名
    • Journal Title

      Canada. Chemical Geology 255,3-4

      Pages: 317-328

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Primary melting sequence of a deep (>250 km)lithospheric mantle as recorded in the geochemistry of kimberlite-carbonatite assemblages, Snap Lake dyke system, Canada.2008

    • Author(s)
      Agashev, A. M., Pokhilenko, N. P., Takazawa, E., 他4名
    • Journal Title

      Chemical Geology, 255, 3-4, 317-328 255

      Pages: 317-328

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] オマーンオフィオライト・フィズ岩体の海嶺セグメント構造とマントルセクションの組成変化2008

    • Author(s)
      村上龍太朗・菅家奈未・高澤栄一
    • Journal Title

      月刊地球 30(印刷中)

    • Related Report
      2007 Annual Research Report
  • [Journal Article] Hybridization of Dunite and Gabbroic Materials in Hole 1271B from Mid-Atlantic Ridge 15°N: Implications for Melt Flow and Reaction in the Upper Mantle. Proceedings of Ocean Drilling Program2007

    • Author(s)
      Takazawa, E., Abe, N., Seyler, M., Meurer, W. P
    • Journal Title

      Science Results Vol.209

      Pages: 1-23

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] (4)新井田清信・高澤栄一, 幌満かんらん岩体の層状構造とその起源2007

    • Author(s)
      新井田清信・高澤栄一
    • Journal Title

      地質学雑誌 113

      Pages: 167-184

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Hybridization of Dunite and Gabbroic Materials in Hole 1271B from Mid-Atlantic Ridge 15° N: Implications for Melt Flow and Reaction in the Upper Mantle.2007

    • Author(s)
      Takazawa, E., Abe, N., Seyler, M. and Meurer, W. P.
    • Journal Title

      Proceedings of Ocean Drilling Program, Science Results 209

      Pages: 1-23

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 幌満かんらん岩体の層状構造とその起源2007

    • Author(s)
      新井田清信・高澤栄一
    • Journal Title

      地質学雑誌 113

      Pages: 167-184

    • NAID

      130001915698

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] 海洋リソスフェアマントルの形成と進化:オマーンオフィオライト・フィズ岩体の例2009

    • Author(s)
      高澤栄一・村上龍太朗・金澤晋太郎・佐藤力樹
    • Organizer
      日本地質学会第116年学術大会
    • Place of Presentation
      岡山理科大学
    • Year and Date
      2009-09-05
    • Related Report
      2009 Final Research Report
  • [Presentation] 海洋リンスフェアマントルの形成と進化:オマーンオライト・フィズ岩体の例2009

    • Author(s)
      高澤栄一・村上龍太朗・金澤晋太郎・佐藤力樹
    • Organizer
      日本地質学会第116年学術大会
    • Place of Presentation
      岡山理科大学
    • Year and Date
      2009-09-05
    • Related Report
      2009 Annual Research Report
  • [Presentation] オマーンオフィオライトFizh岩体北端部におけるマントルセクションのカンラン岩と苦鉄質・超苦鉄質ダイクの組成関係2009

    • Author(s)
      佐藤力樹・高澤栄一
    • Organizer
      日本地質学会第116年学術大会
    • Place of Presentation
      岡山理科大学
    • Year and Date
      2009-09-05
    • Related Report
      2009 Annual Research Report
  • [Presentation] オマーンオフィオライトマントセクションにおける苦鉄質-超苦鉄質ダイクの多様性と起源2009

    • Author(s)
      金澤晋太郎・高澤栄一
    • Organizer
      日本地質学会第116年学術大会
    • Place of Presentation
      岡山理科大学
    • Year and Date
      2009-09-05
    • Related Report
      2009 Annual Research Report
  • [Presentation] オマーンオフィオライト・フィズ岩体における化学組成および変形構造の広域的分布2009

    • Author(s)
      村上龍太朗・高澤栄一
    • Organizer
      日本地球惑星科学連合2009年大会
    • Place of Presentation
      幕張メッセ国際会議場
    • Year and Date
      2009-05-17
    • Related Report
      2009 Annual Research Report 2009 Final Research Report
  • [Presentation] Geochemical variability of the Fizh mantle section, Oman ophiolite with relevance to paleo-ridge segment structure2008

    • Author(s)
      akazawa, E., Kanke, N., Murakami, R., Satoh, R., Kanazawa, S
    • Organizer
      AGU Chapman Conference on Shallow Mantle Composition and Dynamics Fifth International Orogenic Lherzolite Conference
    • Place of Presentation
      Mount Shasta, USA
    • Year and Date
      2008-09-26
    • Related Report
      2009 Final Research Report
  • [Presentation] Geochemical variability of the Fizh mantle section, Oman ophiolite with relevance to paleo-ridge segment structure.2008

    • Author(s)
      Takazawa, E., Kanke, N., Murakami, R., Satoh, R., Kanazawa, S.
    • Organizer
      AGU Chapman Conference on Shallow Mantle Composition and Dynamics Fifth International Orogenic Lherzolite Conference
    • Place of Presentation
      Mount Shasta, USA
    • Year and Date
      2008-09-26
    • Related Report
      2008 Annual Research Report
  • [Presentation] Paleo-ridge segment structure and geochemical variability in the Fizh mantle section, the Oman ophiolite2008

    • Author(s)
      Takazawa, E., Murakami, R., Kanke, N
    • Organizer
      5th Annual Meeting of Asian Oceania Geocsciences Society
    • Place of Presentation
      Busan, Korea
    • Year and Date
      2008-06-17
    • Related Report
      2009 Final Research Report
  • [Presentation] Paleo-ridge segment structure and geochemical variability in the Fizh mantle section, the Oman ophiolite.2008

    • Author(s)
      Takazawa, E., Murakami, R., Kanke, N.
    • Organizer
      5th Annual Meeting of Asian Oceania Geocsciences Society
    • Place of Presentation
      Busan, Korea
    • Year and Date
      2008-06-17
    • Related Report
      2008 Annual Research Report
  • [Presentation] オマーンオフィオライト・フィズ岩体マントルセクションからみた海洋リソスフェアの形成と変遷2008

    • Author(s)
      高澤栄一・村上龍太朗・金澤晋太郎・佐藤力樹
    • Organizer
      地球惑星科学連合2008年大会
    • Place of Presentation
      幕張メッセ国際会議場
    • Year and Date
      2008-05-25
    • Related Report
      2009 Final Research Report 2008 Annual Research Report
  • [Presentation] Residual melting column and paleo-ridge segment structure inferred from the Fizh mantle section, the Oman ophiolite.2008

    • Author(s)
      Takazawa, E., Murakami, R., and Kanke, N.
    • Organizer
      2007 Korea-Japan Joint Symposium on Ocean Drilling
    • Place of Presentation
      韓国・済州島
    • Related Report
      2007 Annual Research Report
  • [Presentation] Residual melting column an d paleo-ridge segment structure infer red from the Fizh mantle section, th e Oman ophiolite2007

    • Author(s)
      Takazawa, E., Murakami, R., Ka nke, N
    • Organizer
      2007 Korea- Japan J oint Symposium on Ocean Drilling
    • Place of Presentation
      韓国・済州島
    • Related Report
      2009 Final Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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