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2012 Fiscal Year Final Research Report

Elucidation of basaltic magmatism in extra back-arc province: An example of worldwide forth magmagenesis

Research Project

  • PDF
Project/Area Number 21403012
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section海外学術
Research Field Geochemistry/Astrochemistry
Research InstitutionThe University of Tokyo

Principal Investigator

ORIHASHI Yuji  東京大学, 地震研究所, 助教 (70313046)

Co-Investigator(Kenkyū-buntansha) NAKAI Shunichi  東京大学, 地震研究所, 教授 (50188869)
SUMINO Hirochika  東京大学, 理学系研究科, 助教 (90332593)
ANMA Ryo  筑波大学, 生命環境科学研究科, 講師 (70311595)
Co-Investigator(Renkei-kenkyūsha) MIBE Kenji  東京大学, 地震研究所, 助教 (10372426)
HONDA Satoru  東京大学, 地震研究所, 教授 (00219239)
NAGAO Keisuke  東京大学, 理学系研究科, 教授 (40131619)
HIRATA Daiji  神奈川県立生命の星・地球博物館, 学芸部, 学芸部長 (70132917)
IWAMORI Hikaru  東京工業大学, 理工学研究科, 教授 (80221795)
Project Period (FY) 2009 – 2012
Keywordsマントル遷移層 / 超背弧地域 / 玄武岩 / マグマ成因
Research Abstract

As a typical “extra back-arc” province in the world, we focused on the Somuncura-Canquel province, Patagonia, Argentina, and investigated their occurrence, collected the basaltic rocks and determined both their major & trace element compositions and K-Ar ages. Our results suggest the following scenario of its magmatism; uppermost “wet” mantle transition zone beneath the region might be up-warped triggered by the slab rotation of the Farallon-Nasca plate between 28 and 20 Ma, and a hydrous melt might beproduced to change hydrous wadsleyite to olivine in the up-warped parts.

  • Research Products

    (31 results)

All 2013 2012 2011 2010 2009 Other

All Journal Article (14 results) (of which Peer Reviewed: 11 results) Presentation (16 results) Remarks (1 results)

  • [Journal Article] Preface: Geoscience dynamics in the Patagonia Archipelago - Southern Pacific Ocean2013

    • Author(s)
      Orihashi, Y., R. Anma, N. Harada and N. Abe
    • Journal Title

      Geochem. J.

      Volume: 47, 2 Pages: 93-95

    • URL

      http://www.terrapub.co.jp/journals/GJ/pdf/4702/47020093.pdf

    • Peer Reviewed
  • [Journal Article] Evolution history of the crust underlying Cerro Pampa, Argentine Patagonia: Constraint from LA-ICPMS U-Pb ages for exotic zircons in the Mid-Miocene adakite2013

    • Author(s)
      Orihashi, Y., R. Anma, A. Motoki, M.J.Haller, D. Hirata, H. Iwano, H. Sumino and V.A. Ramos
    • Journal Title

      Geochem. J.

      Volume: 47, 2 Pages: 235-248

    • URL

      http://www.terrapub.co.jp/journals/GJ/pdf/4702/47020235.pdf

    • Peer Reviewed
  • [Journal Article] Boron and other trace element constraints on the slab-derived component in Quaternary volcanic rocks from the SouthernVolcanic Zone of the Andes2013

    • Author(s)
      Shinjoe, H., Y. Orihashi, J.A. Naranjo, D. Hirata, T. Hasenaka, T. Fukuoka, T. Sano and R. Anma
    • Journal Title

      Geochem. J.

      Volume: 47, 2 Pages: 185-200

    • URL

      http://www.terrapub.co.jp/journals/GJ/pdf/4702/47020185.pdf

    • Peer Reviewed
  • [Journal Article] Shallow-level melt eduction due to ridge subduction: LA-ICPMS U-Pb igneous and detrital zircon ages from the Chile Triple Junction and the Taitao Peninsula, Chilean Patagonia2013

    • Author(s)
      Anma, R. and Y. Orihashi
    • Journal Title

      Geochem. J.

      Volume: 47, 2 Pages: 149-166

    • URL

      http://www.terrapub.co.jp/journals/GJ/pdf/4702/47020149.pdf

    • Peer Reviewed
  • [Journal Article] An inter-laboratory evaluation of OD-3 zircon for use as a secondary U-Pb dating standard2013

    • Author(s)
      Iwano, H., Y. Orihashi, T. Hirata, M.Ogasawara, T. Danhara, K. Horie, N. Hasebe, S. Sueoka, A. Tamura, Y. Hayasaka, A. Katsube, H. Ito, K. Tani, J. Kimura, Q. Chang, Y. Kouchi, Y. Haruta and K. Yamamoto
    • Journal Title

      Island Arc

      Volume: (in press)

    • Peer Reviewed
  • [Journal Article] レーザーアブレーションICP質量分析法によるU-Pb年代測定2013

    • Author(s)
      平田岳史・坂田周平・岩野英樹・折橋裕二・岡林識起・横山隆臣・牧賢志・昆慶明・服部健太郎・小宮剛・飯塚穀・檀原徹・丸山茂徳
    • Journal Title

      月刊地球

      Volume: (in press)

  • [Journal Article] Heterogeneities of the subcontinental lithospheric mantle at southern South American Plate: Influence of current slab and interactions of lithosphere-asthenosphere beneath Pali-Aike Volcanic Field2012

    • Author(s)
      Gervasoni, F., R.V. Conceicao, T.L.R.Jalowitzki, M.E. Schilling, Y. Orihashi, S. Nakai and P. Sylvester
    • Journal Title

      Pesquisas Geociencias

      Volume: 39, 3 Pages: 269-285

    • URL

      http://www.pesquisasemgeociencias.ufrgs.br/3903/5-3903.pdf

    • Peer Reviewed
  • [Journal Article] 同一ジルコン結晶を用いたフィッション・トラックとU-Pbダブル年代測定法の評価-島根県川本花崗閃緑岩中の均質ジルコンを用いて-2012

    • Author(s)
      岩野英樹・折橋裕二・檀原徹・平田岳史
    • Journal Title

      地質学雑誌

      Volume: 118,6 Pages: 365-375

    • DOI

      DOI:10.5575/geosoc.2012.0006

    • Peer Reviewed
  • [Journal Article] Geochemical evolution of peridotites and pyroxenites from the subcontinental lithospheric mantle of the Agua Poca Volcano, CuyanaTerrane2010

    • Author(s)
      Jalowitzki, T.L.R., R.V. Conceicao, Y.Orihashi, G.W. Bertotto, S. Nakai, M.E. Schilling and M. Enrique
    • Journal Title

      Argentina, PesquisasGeociencias

      Volume: 37, 2 Pages: 143-167

    • URL

      http://www.pesquisasemgeociencias.ufrgs.br/3702/06-3702.pdf

    • Peer Reviewed
  • [Journal Article] Compositional variations revealed by ASTER image analysis of the Viedma Volcano,southern Andes Volcanic Zone2010

    • Author(s)
      Kobayashi, C., Y. Orihashi, D. Hirata, J.A. Naranjo, M. Kobayashi and R. Anma
    • Journal Title

      Andean Geol

      Volume: 37, 2 Pages: 433-441

    • URL

      http://www.scielo.cl/pdf/andgeol/v37n2/art09.pdf

    • Peer Reviewed
  • [Journal Article] U-Pb zircon ages of syenitic and granitic rocks in the Ashizuri igneous complex,southwestern Shikoku:Constraint for the origin of forearc alkaline magmatism2010

    • Author(s)
      Shinjoe, H., Y. Orihashi and T. Sumii
    • Journal Title

      Geochem. J

      Volume: 44,4 Pages: 275-283

    • URL

      http://svr4.terrapub.co.jp/journals/GJ/pdf/4404/44040275.pdf

  • [Journal Article] Two types of adakites revealed by 238U-230Th disequilibrim from Daisen volcano, southwestern Japan2010

    • Author(s)
      Tokunaga, S., S. Nakai and Y.Orihashi
    • Journal Title

      Geochem. J

      Volume: 44, 2 Pages: 379-386

    • URL

      http://www.terrapub.co.jp/journals/GJ/pdf/4405/44050379.pdf

  • [Journal Article] Ramos, Retroarc volcanism in the northern San Rafael block (34-35°30'S), southern central Andes: occurrence, age and tectonic setting2009

    • Author(s)
      Folguera, A., J.A. Naranjo, Y.Orihashi, H. Sumino, K. Nagao, E. Polanco and V.A
    • Journal Title

      J. Volcan. Geotherm. Res.

      Volume: 186 Pages: 169-185

    • DOI

      DOI:10.1016/j.jvolgeores.2009.06. 012

    • Peer Reviewed
  • [Journal Article] Are the Taitao granites formed due to subduction of the Chile ridge?2009

    • Author(s)
      Anma, R., R. Amstrong, Y. Orihashi, S.Ike, K.-C. Shin, Y. Kon, T. Komiya, T. Ota, S. Kagashima, T. Shibuya, S. Yamamoto, E.E. Veloso, M. Fanning and F. Herve
    • Journal Title

      Lithos

      Volume: 113 Pages: 246-258

    • DOI

      DOI:10.1016/j.lithos.2009.05.018

    • Peer Reviewed
  • [Presentation] 年代学的指紋から見出されるアルゼンチン・パタゴニア,セロ・パンパ地域直下の地殻発達史:中期中新世アダカイトに混在する外来ジルコンのLA-ICPMS U-Pb年代からの制約2012

    • Author(s)
      折橋裕二・安間了・元木昭寿・ハラー・ミゲール・平田大二・岩野英樹・角野浩史・ラモス・ビクター
    • Organizer
      2012年度日本地球化学会第59回年会
    • Place of Presentation
      九州大学箱崎キャンパス文系地区,福岡
    • Year and Date
      2012-09-11
  • [Presentation] Geochronological fingerprint revealedthe evolution of the crust underlying Cerro Pampa adakite, Argentine Patagonia2011

    • Author(s)
      Orihashi, Y. R. Anma, A. Motoki, M.J.Haller, V.A. Ramos and D. Hirata
    • Organizer
      21st Goldschmidt Conference
    • Place of Presentation
      Czech Republic.
    • Year and Date
      20110814-19
  • [Presentation] Mantle heterogeneities beneath Laguna Timone volcano, Pali Aike volcanic field, Southern Chile2011

    • Author(s)
      Gervasoni, F., R.V. Conceicao, T.L.R.Jalowitzki and Y. Orihashi
    • Organizer
      21st Goldschmidt Conference
    • Place of Presentation
      Czech Republic.
    • Year and Date
      20110814-19
  • [Presentation] Sr, Nd, and Pb isotopes of basalts along hotspot-influenced Central Indian Ridge2011

    • Author(s)
      Machida, S., Y. Orihashi, N. Neo, M.Tanimizu, S.C. Unsworth and K.Tamaki
    • Organizer
      21st Goldschmidt Conference
    • Place of Presentation
      Czech Republic.
    • Year and Date
      20110814-19
  • [Presentation] 中央インド洋海嶺とレユニオンホットスホットの相互作用による中央海嶺玄武岩の組成変化2011

    • Author(s)
      町田嗣樹・折橋裕二・マルコマニアーニ・根尾夏紀・サマンサアンスワース・谷水雅治・玉木賢策
    • Organizer
      2011年日本地球化学会第58回年会
    • Place of Presentation
      北海道大学学術交流会館と大学院地球環境科学研究院.
    • Year and Date
      2011-09-15
  • [Presentation] Petrogenesis of Somuncura plateau basalt in an extra-back arc province: Dehydraion-induced melting of hydrous wadsleyite beneath northern Patagonia2010

    • Author(s)
      Orihashi, Y., A. Motoki, M.J. Haller, H. Sumino, K. Nagao, D. Hirata, K. Mibe, S. Honda, T.L.R. Jalowitzki, H. Iwamori and R. Anma
    • Organizer
      Meeting of the America, AGU
    • Place of Presentation
      Brazil.
    • Year and Date
      20100808-12
  • [Presentation] Anomalously low 3He/4He ratios in lavas from the Great Dodo Plain on the Central Indian Ridge axis2010

    • Author(s)
      Matsumoto, T., Y. Orihashi, C.Miyakawa and K. Tamaki
    • Organizer
      20th GoldschmidtConference
    • Place of Presentation
      Knoxville, USA.
    • Year and Date
      20100613-18
  • [Presentation] 南太平洋及び沈み込み帯における地質学・地球物理学的研究ならびにチリ沖における古海洋環境変動復元研究「みらい」MR08-06航海概要2010

    • Author(s)
      原田尚美・阿部なつ江・LangeCarina・安間了・折橋裕二・岩森光
    • Organizer
      2010年日本地球化学会第57回年会
    • Place of Presentation
      立正大学熊谷校舎
    • Year and Date
      2010-09-08
  • [Presentation] 南米パタコニア溶岩台地のアルカリ玄武岩とマントル捕獲岩の希ガス同位体比2010

    • Author(s)
      角野浩史・折橋裕二・元木昭寿・平田大二・ハラーミジェール・コンセションロムロ・安間了・長尾敬介
    • Organizer
      2010年日本地球化学会第57回年会
    • Place of Presentation
      立正大学熊谷校舎
    • Year and Date
      2010-09-08
  • [Presentation] 人工衛星搭載ASTERセンサを用いたチリ共和国Viedma火山におけるSiO2量推定2010

    • Author(s)
      小林千明・折橋裕二・平田大二・ナランホホセ・小林淳・安間了
    • Organizer
      2010年日本地球化学会第57回年会
    • Place of Presentation
      立正大学熊谷校舎
    • Year and Date
      2010-09-08
  • [Presentation] 定常的な沈み込み帯から中央海嶺沈み込みに至る南部アンテス弧(SVZ)火山岩類の化学組成の変遷2010

    • Author(s)
      折橋裕二・新正裕尚・ナランホホセ・元木昭寿・安間了
    • Organizer
      2010年日本地球化学会第57回年会
    • Place of Presentation
      立正大学熊谷校舎
    • Year and Date
      2010-09-08
  • [Presentation] 海嶺沈み込みと大陸地殻の成長:チリ海嶺沈み込み帯の例2010

    • Author(s)
      安間了・申ギチョル・折橋裕二・中野孝教
    • Organizer
      2010年日本地球化学会第57回年会
    • Place of Presentation
      立正大学熊谷校舎
    • Year and Date
      2010-09-08
  • [Presentation] 中央インド洋(15-18°S)の中央海嶺軸産玄武岩の希ガス同位体組成2010

    • Author(s)
      松本拓也:折橋裕二・宮川千絵・根津夏紀・町田嗣樹・玉木賢策
    • Organizer
      2010年日本地球化学会第57回年会
    • Place of Presentation
      立正大学熊谷校舎
    • Year and Date
      2010-09-08
  • [Presentation] Phlogopite-bearing fossil plume and EM II component evidences in Patagonia,registered in alkaline basalts from SouthernArgentine (36°S-44°S)2009

    • Author(s)
      Jalowitzki, T.L.R., R.V. Conceicao and Y. Orihashi, G.W. Bertotto and F. Gervasoni
    • Organizer
      19th Goldschmidt Conference, Davos
    • Place of Presentation
      Switzerland.
    • Year and Date
      20090619-26
  • [Presentation] Geochemical variation of fresh quenched glass in axial MORB along15-18°S, Central Indian Ridge2009

    • Author(s)
      Orihashi, Y., M. Magnani, S. Machida, N. Neo, A. Yasuda and K. Tamaki
    • Organizer
      19th GoldschmidtConference, Davos
    • Place of Presentation
      Switzerland.
    • Year and Date
      20090619-26
  • [Presentation] 中央インド洋,南緯15-18oの中央海嶺軸に産する玄武岩質急冷ガラスの全岩化学組成の多様性2009

    • Author(s)
      折橋裕二・マニヤーニマルコ・町田嗣樹・根津夏紀・安田敦・玉木賢策
    • Organizer
      2009年日本地球化学会第56回年会
    • Place of Presentation
      広島大学理学部
    • Year and Date
      2009-09-17
  • [Remarks]

    • URL

      http://www.geocities.jp/oripachi/folder/Welcome.html

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Published: 2014-08-29  

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