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Refinement of metamorphic facies-H2O content diagram for subducting oceanic crust by use of greenstones in accretionary complexes

Research Project

Project/Area Number 16K17823
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Geology
Research InstitutionShimane University

Principal Investigator

Endo Shunsuke  島根大学, 総合理工学研究科, 特任講師 (60738326)

Project Period (FY) 2016-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2017: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Keywords低温変成作用 / 付加体 / 秩父帯 / 緑色岩 / 玄武岩 / アルカリ輝石 / ローソン石 / 秩父帯北帯 / 御荷鉾帯 / 沈み込み帯 / 地質学 / 岩石・鉱物・鉱床学
Outline of Final Research Achievements

Structural and metamorphic architectures of the Mikabu-Northern Chichibu belt have been revealed as an example of deep accretionary wedge. Metabasalts (greenstones) in each unit of the belt have been examined to understand mineral reactions in shallow subduction zones as well as low-temperature thermodynamic mixing properties of key metamorphic minerals. Structural evolution of the belts can be explained by thickening of accretionary wedge by underplating and subsequent tectonic thinning and exhumation of deep seated rocks in the wedge. Alkali pyroxene is an important metamorphic mineral in low-grade metabasalt and its low-temperature mixing behavior in the diopside-aegirine-jadeite system is preliminary established by the natural data. Common occurrence of lawsonite veins formed via dehydration of pre-existed zeolite veins is discovered from the unmetamorphosed N. Chichibu accretionary complex, and this can be important source of fluid in seismogenic plate boundaries.

Report

(3 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • Research Products

    (20 results)

All 2017 2016

All Journal Article (6 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 6 results,  Acknowledgement Compliant: 1 results) Presentation (14 results) (of which Int'l Joint Research: 5 results)

  • [Journal Article] Recognition of the ‘early’ Sambagawa metamorphism and a schematic cross-section of the Late-Cretaceous Sambagawa subduction zone2017

    • Author(s)
      青矢睦月・遠藤俊祐
    • Journal Title

      The Journal of the Geological Society of Japan

      Volume: 123 Issue: 9 Pages: 677-698

    • DOI

      10.5575/geosoc.2017.0008

    • NAID

      130006279102

    • ISSN
      0016-7630, 1349-9963
    • Year and Date
      2017-09-15
    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Geologic traverse of the Sambagawa metamorphic belt in central Shikoku, SW Japan:2017

    • Author(s)
      青矢睦月・水上知行・遠藤俊祐
    • Journal Title

      The Journal of the Geological Society of Japan

      Volume: 123 Issue: 7 Pages: 491-514

    • DOI

      10.5575/geosoc.2017.0038

    • NAID

      130005893387

    • ISSN
      0016-7630, 1349-9963
    • Year and Date
      2017-07-15
    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Structural architecture and low-grade metamorphism of the Mikabu-Northern Chichibu accretionary wedge, SW Japan2017

    • Author(s)
      Endo S.、Wallis S. R.
    • Journal Title

      Journal of Metamorphic Geology

      Volume: 35 Issue: 6 Pages: 695-716

    • DOI

      10.1111/jmg.12251

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Ilvaite–manganilvaite series minerals in jasper and iron–manganese ore from the Northern Chichibu belt, central Shikoku, Japan2017

    • Author(s)
      Endo, S.
    • Journal Title

      Journal of Mineralogical and Petrological Sciences

      Volume: 112 Issue: 4 Pages: 166-174

    • DOI

      10.2465/jmps.170408

    • NAID

      130006044233

    • ISSN
      1345-6296, 1349-3825
    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Brucite as an important phase of the shallow mantle wedge: Evidence from the Shiraga unit of the Sanbagawa subduction zone, SW Japan2016

    • Author(s)
      Hirokazu Kawahara, Shunsuke Endo, Simon R. Wallis, Takayoshi Nagaya, Hiroshi Mori, Yoshihiro Asahara
    • Journal Title

      Lithos

      Volume: 254-255 Pages: 53-66

    • DOI

      10.1016/j.lithos.2016.02.022

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Seismic properties of lawsonite eclogites from the southern Motagua fault zone, Guatemala2016

    • Author(s)
      Kim D., Wallis S., Endo S. and Ree J.-H.
    • Journal Title

      Tectonophysics

      Volume: 677-678 Pages: 88-98

    • DOI

      10.1016/j.tecto.2016.04.012

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Evidence for localized high fluid pressure along the paleo subduction boundary exposed in the Sanbagawa belt, SW Japan2017

    • Author(s)
      Wallis, S., Endo, S., Nagaya, T., Mori, H., Asahara, Y. & Kawahara, H.
    • Organizer
      JpGU-AGU Joint Meeting, Makuhari
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] The Early-Cretaceous Sambagawa metamorphism and a cross-sectional view of the Late-Cretaceous Sambagawa subduction zone2017

    • Author(s)
      Aoya, M., Endo, S., Mizukami, T. & Wallis, S.
    • Organizer
      JpGU-AGU Joint Meeting, Makuhari
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Field-based constraint on dehydration behavior of altered oceanic basalt at the seismogenic subduction boundary2017

    • Author(s)
      Endo, S. & Wallis, S.
    • Organizer
      JpGU-AGU Joint Meeting, Makuhari
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Water subduction processes constrained by halogens and noble gases in the Sanbagawa metamorphic rocks2017

    • Author(s)
      Sumino, H., Burgess, R., Kouketsu, Y., Mizukami, T., Endo, S., Yoshida, K., Hirajima, T., Wallis, S. & Ballentine, C.J.
    • Organizer
      Goldschmidt Conference, Paris
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 三波川帯・高越地域のローソン石を含むざくろ石藍閃石片岩の変成履歴2017

    • Author(s)
      遠藤俊祐,田中大海,高須 晃
    • Organizer
      日本鉱物科学会年会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 四国中央部・本山地域の三波川帯白滝ユニットの岩相変化と砕屑性ジルコン年代2017

    • Author(s)
      遠藤俊祐,宮崎一博,檀原 徹,岩野英樹,平田岳史
    • Organizer
      日本地質学会第124回学術大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Eclogitic metabasite as a block within the serpentinite body in the Gotsu area, Suo metamorphic belt, SW Japan2017

    • Author(s)
      Kabir, M.F., Takasu, A. & Endo, S.
    • Organizer
      日本鉱物科学会年会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Metamorphic history of garnet amphibolite and pelitic schist from the Neldy Formation, Makbal district, Kyrgyz Northern Tian-Shan, Kyrgyzstan2017

    • Author(s)
      Kasymbekov, A., Takasu, A., Kabir, M.F., Endo, S., Bakirov, A., Hirajima, T., Yoshida, K., Orozbaev, R. & Sakiev, K.
    • Organizer
      日本鉱物科学会年会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 四国・三波川変成岩中のハロゲンと希ガスから制約される水の沈み込み過程2017

    • Author(s)
      角野浩史・Simon R. Wallis・纐纈佑衣・遠藤俊祐・水上知行・吉田健太・小林真大・平島崇男・Ray Burgess・Chris J. Ballentine
    • Organizer
      日本地球化学会第64回年会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Mineralogy of the mantle wedge at depths of deep slow slip: implications for fluid flow along the subduction boundary2016

    • Author(s)
      Wallis, S.R., Endo, S., Nagaya, T., Kawahara, H., Mori, H. & Asahara, Y.
    • Organizer
      American Geophysical Union Fall Meeting
    • Place of Presentation
      San Francisco(アメリカ)
    • Year and Date
      2016-12-12
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] 秩父帯北帯の弱変成塩基性岩中のアルカリ輝石組成とローソン石初出反応2016

    • Author(s)
      遠藤俊祐
    • Organizer
      日本鉱物科学会年会
    • Place of Presentation
      金沢大学(金沢市)
    • Year and Date
      2016-09-23
    • Related Report
      2016 Research-status Report
  • [Presentation] 四国中央部・三波川帯緑泥石帯低温部の苦鉄質片岩の起源とプログレード変成作用2016

    • Author(s)
      遠藤俊祐
    • Organizer
      日本地質学会第123回学術大会
    • Place of Presentation
      日本大学(東京・桜上水)
    • Year and Date
      2016-09-11
    • Related Report
      2016 Research-status Report
  • [Presentation] 四国中央部に分布する秩父帯北帯におけるメタチャートの延性変形2016

    • Author(s)
      原田悠暉,ウォリス サイモン,永冶方敬,遠藤俊祐
    • Organizer
      日本地質学会第123回学術大会
    • Place of Presentation
      日本大学(東京・桜上水)
    • Year and Date
      2016-09-11
    • Related Report
      2016 Research-status Report
  • [Presentation] Brucite as an important phase in the mantle wedge: evidence from the Sanbagawa belt, SW Japan2016

    • Author(s)
      Wallis, S., Endo, S., Kawahara, H., Nagaya, T., Mori, H. & Asahara, Y.
    • Organizer
      Japan Geoscience Union Meeting 2016
    • Place of Presentation
      幕張メッセ国際会議場(千葉市)
    • Year and Date
      2016-05-22
    • Related Report
      2016 Research-status Report

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Published: 2016-04-21   Modified: 2019-03-29  

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