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Experimental modeling of diamond crystallization from C-O-H fluid under controlled oxygen fugacity

Research Project

Project/Area Number 17K14417
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Petrology/Mineralogy/Economic geology
Research InstitutionEhime University

Principal Investigator

CHERTKOVA N  愛媛大学, 地球深部ダイナミクス研究センター, 特定研究員 (00791774)

Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Discontinued (Fiscal Year 2019)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2019: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2017: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywordsdiamond anvil cell / visual observations / spectroscopic data / chemical trends / phase relationships / in situ spectroscopy / C-O-H fluid speciation / diamond stability field / High pressure experiment / external heating / diamond crystallization / C-O-H fluid
Outline of Annual Research Achievements

According to the plan for FY2019, research work in April and May of this year was focused on the processing of experimental data, collected in situ, inference of general trends and regularities. Obtained experimental data were systemized for determination of phase relationships and change of fluids speciation at different temperature and pressure conditions in the stability field of diamond. Results were compared with the previously published data and important conclusions are made, which were presented at the conference with the participation of international organizations and then prepared for publication in the international journal.

Report

(3 results)
  • 2019 Annual Research Report
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (8 results)

All 2019 2018 2017

All Journal Article (1 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (7 results) (of which Int'l Joint Research: 6 results)

  • [Journal Article] A step toward better understanding of behavior of organic materials at simultaneous high pressures and high temperatures2018

    • Author(s)
      Chertkova N., Ohfuji H., Nomura R., Kadobayashi H., Irifune, T.
    • Journal Title

      High Pressure Research

      Volume: 38 Issue: 3 Pages: 337-347

    • DOI

      10.1080/08957959.2018.1476506

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Experimental modeling of eclogite and C-O-H fluid interaction in the subduction zones.2019

    • Author(s)
      Chertkova N., Yamashita S., Ohfuji H., Irifune T., Kadobayashi H., Yamamoto Y.
    • Organizer
      JpGU
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] A compact diamond anvil cell for in situ spectroscopic measurements at high pressures and high temperatures2019

    • Author(s)
      Chertkova N., Yamashita S., Ohfuji H., Irifune T., Kurio A., Kadobayashi H., Yamamoto Y.
    • Organizer
      International symposium Science and Technology of Nano-Polycrystalline Diamond 2019
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Probing basalt-5.75H2O-CH4 system by in situ vibrational spectroscopy2019

    • Author(s)
      Chertkova N., Yamashita S., Ohfuji H., Irifune T., Kadobayashi H., Yamamoto Y.
    • Organizer
      Joint symposium of Misasa 2019 & Core-Mantle Coevolution
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Externally heated lever type diamond anvil cell: application in high-pressure experiments involving COH components2018

    • Author(s)
      Chertkova N., Ohfuji H., Irifune T.
    • Organizer
      JpGU 2018
    • Related Report
      2018 Research-status Report
  • [Presentation] In situ experimental study of basalt-COH system at the upper mantle conditions2018

    • Author(s)
      Chertkova N., Ohfuji H., Irifune T.
    • Organizer
      The 35th International Conference on Magmatism of the Earth and Related Strategic Metal Deposits
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] In situ optical study of H2O-CO2-CO system at high pressures2017

    • Author(s)
      Chertkova N., Ohfuji H., Irifune T.
    • Organizer
      JpGU-AGU Joint Meeting 2017
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Behavior of C-O-H fluid in mantle processes: experimental study using diamond anvil cell2017

    • Author(s)
      Chertkova N., Ohfuji H., Nomura R., Irifune T.
    • Organizer
      34th International Conference on Magmatism of the Earth and Related Strategic Metal Deposits
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research

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Published: 2017-04-28   Modified: 2021-01-27  

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