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Thermochemical evolution of the Earth's mantle over the past 3.5 Gyrs

Publicly

Project AreaInteraction and Coevolution of the Core and Mantle: Toward Integrated Deep Earth Science
Project/Area Number 16H01123
Research Category

Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

Allocation TypeSingle-year Grants
Review Section Science and Engineering
Research InstitutionJapan Agency for Marine-Earth Science and Technology

Principal Investigator

木村 純一  国立研究開発法人海洋研究開発機構, 地球内部物質循環研究分野, 分野長代理 (30241730)

Project Period (FY) 2016-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2017: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2016: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywordsマントル / 地球化学 / 熱進化 / 化学進化 / 35億年
Outline of Annual Research Achievements

【1】地球史35億年間に噴出し,残存する玄武岩・ピクライトの既存文献を集約し,その化学組成データベースを構築し,データベースをもとに変質や変性作用の影響が少ない資料を選択し,その主成分・微量成分化学組成を用いてマグマの起源物質と生成条件(起源マントル物質の組成,起源マントルのポテンシャル温度,マグマ分離深度,部分融解度)を,計算コードOcean Basalt Simulator version 1 (OBS1)を用いて解析した.またOBS1計算コードを改良し,OBS2モデルを完成させ,下記の成果公表論文とともに国際誌に公表した.
【2】OBS2モデルによる解析結果をもとに,地球史35億年の上部マントルの化学進化(始原マントル・枯渇マントル・リサイクリング海洋地殻の含有率)ならびに熱進化(起源マントルのポテンシャル温度,マグマ分離深度,部分融解度)を明らかにし,マントル熱進化に関する成果を国際誌に投稿し,公表された.論文はエディターによるハイライト論文推薦を受け,当該国際誌の年間トップダウンロード4位(1698件)となった.
【3】海嶺におけるマントルの枯渇過程のモデルとともに,島弧-マントルリサイクリングの岩石学的フォワードモデルの開発を実施し,数値モデルを国際誌に公表した.この岩石学的フォワードモデルを用いた地球史35億年の海洋地殻リサイクリング物質の同位体進化とマントル富化成分の同位体進化史に関する論文を公表し,国際誌年間トップダウンロード7位(1477件)となった.
【4】上記枯渇マントルと富化マントルの進化史をとりまとめ,国内紙に学生向け招待レビュー論文を執筆・公表し,成果の普及を実施した.

Research Progress Status

29年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

29年度が最終年度であるため、記入しない。

Report

(2 results)
  • 2017 Annual Research Report
  • 2016 Annual Research Report

Research Products

(15 results)

All 2018 2017 2016 Other

All Int'l Joint Research Journal Article Presentation Remarks

  • [Int'l Joint Research] Univ. California Santa Cruz/Carnegie Institute(USA)

    • Related Report
      2016 Annual Research Report
  • [Int'l Joint Research] チューリヒ工科大学(Swizeland)

    • Related Report
      2016 Annual Research Report
  • [Journal Article] Chemical evolution of the earth's mantle over 3.5 Gyr2018

    • Author(s)
      木村純一
    • Journal Title

      Chikyukagaku

      Volume: 52 Issue: 1 Pages: 29-53

    • DOI

      10.14934/chikyukagaku.52.29

    • NAID

      130006549783

    • ISSN
      0386-4073, 2188-5923
    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Origin of geochemical mantle components: Role of spreading ridges and thermal evolution of mantle2017

    • Author(s)
      Kimura J.-I., Gill J.B., van Keken P.E., Kawabata H., and Skora S.
    • Journal Title

      Geochemistry Geophysics Geosystems

      Volume: 18 Pages: 697-734

    • DOI

      10.1002/2016gc006696

    • Related Report
      2017 Annual Research Report 2016 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Modeling chemical geodynamics of subduction zones using the Arc Basalt Simulator version 52017

    • Author(s)
      Kimura J.-I.
    • Journal Title

      Geosphere

      Volume: 13 Pages: 992-1025

    • DOI

      10.1130/ges01468.1

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 北西太平洋プレートの地球化学:インド洋-太平洋型マントルの成因とマントル境界の特性2017

    • Author(s)
      木村 純一・宮崎 隆・常 青・ボグダン バグラロフ・仙田 量子
    • Journal Title

      地学雑誌

      Volume: 126 Pages: 163-179

    • NAID

      130005696800

    • Related Report
      2017 Annual Research Report 2016 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Homogenised 266 nm femtosecond laser ablation for isotopic and elemental microanalyses using inductively coupled plasma mass spectrometry2017

    • Author(s)
      Kimura J.-I., Ohki K., and Chang Q.
    • Journal Title

      Journal of Analytical Atomic Spectrometry

      Volume: - Pages: 1203-1210

    • DOI

      10.1039/c6ja00445h

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Origin of geochemical mantle components: Role of subduction filter.2016

    • Author(s)
      Kimura J.-I., Gill J.B., Skora S., van Keken P.E., and Kawabata H.
    • Journal Title

      Geochemistry, Geophysics, Geosystems

      Volume: 17 Pages: 3289-3325

    • DOI

      10.1002/2016gc006343

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Presentation] Modeling chemical geodynamics of subduction zones using the Arc Basalt Simulator version 52017

    • Author(s)
      Jun-Ichi Kimura
    • Organizer
      AGU Fall Meeting 2017
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Origin of geochemical mantle components: Role of spreading ridges2017

    • Author(s)
      Jun-Ichi Kimura, James B Gill, Peter E van Keken, Hiroshi Kawabata, Susanne Skora
    • Organizer
      JpGU Annual Meeting
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Chemical geodynamics of subduction zones: geochemical mass2017

    • Author(s)
      Jun-Ichi Kimura
    • Organizer
      JpGU Annual Meeting
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Behaviour of subducted water and its role in magma genesis in the NE2017

    • Author(s)
      Jun-Ichi Kimura
    • Organizer
      JpGU Annual Meeting
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] マントル進化における海嶺と沈み込み帯の役割2016

    • Author(s)
      木村 純一
    • Organizer
      2016年度日本地球化学会秋季大会
    • Place of Presentation
      大阪市立大学(大阪府大阪市)
    • Year and Date
      2016-09-16
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Change in mantle potential temperature through Earth time: Hotspots versus Ridges2016

    • Author(s)
      Jun-Ichi Kimura, Hiroshi Kawabata
    • Organizer
      Japan Geoscience Union Meeting 2016
    • Place of Presentation
      幕張メッセ(千葉県千葉市)
    • Year and Date
      2016-05-26
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research / Invited
  • [Remarks] JAMSTEC研究者総覧・地球内部物質循環研究分野・木村純一

    • URL

      http://www.jamstec.go.jp/souran/html/Junichi_Kimura002552-j.html

    • Related Report
      2017 Annual Research Report

URL: 

Published: 2016-04-26   Modified: 2018-12-17  

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