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Systematization of formation tectonics of high-temperature metamorphic rock based on their P-T path

Research Project

Project/Area Number 15K05346
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Petrology/Mineralogy/Economic geology
Research InstitutionUniversity of the Ryukyus

Principal Investigator

BABA Sotaro  琉球大学, 教育学部, 教授 (10347122)

Co-Investigator(Renkei-kenkyūsha) HOKADA Tomokazu  国立極地研究所, 研究教育系地圏研究グループ, 准教授 (60370095)
OSANAI Yasuhito  九州大学比較社会文化研究院, 教授 (80183771)
Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2015: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Keywords高温変成岩 / 温度圧力経路 / 等圧冷却過程 / 等温減圧過程 / 原岩形成場 / 変成作用 / 地殻形成
Outline of Final Research Achievements

We have examined the age of the metamorphism, and the tectonic setting of mafic rock protoliths based on whole rock chemical composition, for the metamorphic rocks constituting inland nunataks and coastal exposure of the central Droning Maud Land (CDML) in the East Antarctic. Combined the results of the metamorphic ages and the tectonic setting for metamorphic precursory rocks, metamorphic rocks with an isobaric cooling P-T path are due to heating just below in the back arc basin, and the metamorphic rocks showing an isothermal decompression P-T path are similar to the current accretionary prism, suggesting the possibility that it formed by changing from the arc - trench system to the collision zone. We will further attempt to systematize this result compared with the tectonic setting and the metamorphic process of high-temperature metamorphic rocks in other areas.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (11 results)

All 2018 2017 2016 2015 Other

All Journal Article (3 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 2 results,  Open Access: 2 results) Presentation (7 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results) Remarks (1 results)

  • [Journal Article] Metamorphic texture in mafic granulites collected from talus in the Brattnipene, Sor Ronda Mountains, East Antarctica.2018

    • Author(s)
      Sotaro BABA, Moeko UESATO, Tomokazu HOKADA, Tatsuro ADACHI, Yasuhito OSANAI, Nobuhiko NAKANO, Tsuyoshi TOYOSHIMA
    • Journal Title

      Bulletin of faculty of Education, University of the Ryukyus

      Volume: 92 Pages: 161-177

    • Related Report
      2017 Annual Research Report
    • Open Access
  • [Journal Article] Report on the 2016−2017 (JARE-58) geological field survey of Lützow-Holm Bay, Prince Olav Coast and Enderby Land2017

    • Author(s)
      外田智千・馬場壮太郎・亀井淳志・北野一平・本吉洋一・Prayath Nantasin・Nugroho Imam Setiawan・Davaa-Ochir Dashbaatar
    • Journal Title

      南極資料

      Volume: 61 Pages: 11-56

    • DOI

      10.15094/00014291

    • NAID

      120006344430

    • ISSN
      2432-079X
    • URL

      https://nipr.repo.nii.ac.jp/records/14366

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] 沖縄島北部,名護層に産する含ザクロ石泥質片岩2016

    • Author(s)
      馬場壮太郎・内間一生
    • Journal Title

      地質学雑誌

      Volume: 122 Pages: 127-132

    • NAID

      130005158297

    • Related Report
      2015 Research-status Report
    • Peer Reviewed
  • [Presentation] 東南極プリンス・オラフ海岸,あけぼの岩の変成作用2017

    • Author(s)
      馬場 壮太郎,外田 智千,亀井 淳志,北野 一平,本吉 洋一 ,Prayath Nantasiun,Nugroho Setiawan,Davaa-ochir Dashbaatar
    • Organizer
      第8回極域科学シンポジウム
    • Related Report
      2017 Annual Research Report
  • [Presentation] 東南極ナピア岩体西部地域リード山におけるトーナル岩質片麻岩のジルコン年代学の予察報告2017

    • Author(s)
      堀江 憲路,竹原 真美,外田 智千,馬場 壮太郎 ,亀井 淳志 ,北野 一平 ,Prayath Nantasin Nugroho Setiawan,Davaa-ochir Dashbaata,本吉 洋一
    • Organizer
      第8回極域科学シンポジウム
    • Related Report
      2017 Annual Research Report
  • [Presentation] 東南極プリンス・オラフ海岸,あけぼの岩の変形変成作用2017

    • Author(s)
      馬場壮太郎,外田智千,亀井淳志,北野一平,本吉洋一
    • Organizer
      日本地質学会第124年学術大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 東南極セール・ロンダーネ山地北部に産するFe-Alに富むグラニュライト中の黒雲母ー石英シンプレクタイト2016

    • Author(s)
      馬場壮太郎・小山内康人・中野伸彦・外田智千・足立達朗・豊島剛志
    • Organizer
      日本地質学会123年学術大会
    • Place of Presentation
      日本大学文理学部(東京都世田谷区桜上水)
    • Year and Date
      2016-09-11
    • Related Report
      2016 Research-status Report
  • [Presentation] Contrasting metamorphic records in DML and the surrounding regions2016

    • Author(s)
      Sotaro Baba
    • Organizer
      Japan-Norway Arctic Science & Innovation Week 2016
    • Place of Presentation
      Plaza Heisei, Tokyo International Exchange Center(東京都江東区青海)
    • Year and Date
      2016-06-03
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 東南極セールロンダーネ山地ベストハウゲンに産する鉄に富むグラニュライトに見られる部分溶融に関連した変成組織とザクロ石希土類元素パターン2015

    • Author(s)
      馬場壮太郎、小山内康人、足立達朗、外田智千、中野伸彦、豊島剛志
    • Organizer
      第6回極域科学シンポジウム
    • Place of Presentation
      国立極地研究所
    • Year and Date
      2015-11-16
    • Related Report
      2015 Research-status Report
  • [Presentation] 東南極セール・ロンダーネ山地北部,ブラットニーパネに産する苦鉄質グラニュライトの減圧変成組織2015

    • Author(s)
      馬場壮太郎,上里萌子,外田智千,足立達朗,小山内康人,中野伸彦,豊島剛志
    • Organizer
      日本地質学会第122年学術大会
    • Place of Presentation
      長野大学工学部
    • Year and Date
      2015-09-11
    • Related Report
      2015 Research-status Report
  • [Remarks] シリーズ「南極・北極研究の最前線」第11回 中央ドローニングモードランド、基盤岩体区分について

    • URL

      http://kyokuchi.or.jp/?page_id=6196

    • Related Report
      2017 Annual Research Report

URL: 

Published: 2015-04-16   Modified: 2019-03-29  

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