Development of neutron tomography under pressure: 3D distribution of fluid in the mantle minerals

2013 Fiscal Year Final Research Report

• Project/Area Number: 23654181
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Petrology/Mineralogy/Science of ore deposit
• Research Institution: Osaka University
• Principal Investigator: TERASAKI Hidenori 大阪大学, 大学院・理学研究科, 准教授 (50374898)
• Co-Investigator(Renkei-kenkyūsha): INOUE Toru 愛媛大学, 地球内部ダイナミクス研究センター, 教授 (00291500)
• Project Period (FY): 2011 – 2013
• Keywords: マグマ / 火成岩

Research Abstract

In this study, we have developed neutron computed-tomography（CT) technique under high pressure in order to reveal in situ 3D distribution of H2O fluid in the mantle minerals. Newly designed heating and compress systems for CT measurement have been installed to the portable PE press. Optical set-up for neutron imaging was optimized at J-PARC neutron facility and the effects of sample material and its size on the image contrast were investigated. Neutron tomography measurement for hydrous and anhydrous mineral samples was carried out using new system. The present new system able us to perform neutron imaging and tomography measurements under high pressure and temperature

Research Products

• [Journal Article] Stability of Fe-Ni hydride after the reaction between Fe-Ni alloy and hydrous phase (δ-AlOOH) up to 1.2 Mbar: Possibility of H contribution to the core density deficit (2012)
  • Author(s): Terasaki, H., E. Ohtani, T. Sakai, S. Kamada, H. Asanuma, Y. Shibazaki, N. Hirao, N. Sata, Y. Ohishi, A. Suzuki, K. Funakoshi
  • Journal Title: Physics of Earth and Planetary Interiors Volume: 194-195 Pages: 18-24
  • DOI: DOI:10.1016/j.pepi.2012.01.002
  • Peer Reviewed
• [Journal Article] Melting relation of FeS-H system under high pressure: Implications for the core of Ganymede (2012)
  • Author(s): Shibazaki, Y., Ohtani, E., Terasaki, H.
  • Journal Title: SPring-8 Research Frontiers Volume: 2011 Pages: 102-103
• [Journal Article] 高温高圧下におけるFeSiおよびFeS合金の水素化 (2011)
  • Author(s): 寺崎英紀、柴崎裕樹
  • Journal Title: 高圧力の科学と技術 Volume: 21(3) Pages: 197-205
  • DOI: DOI:10.4131/jshpreview.21.197
  • Peer Reviewed
• [Journal Article] Density of carbonated peridotite magma at high pressure using an X-ray absorption method (2011)
  • Author(s): Sakamaki, T., E. Ohtani, S. Urakawa, H. Terasaki, Y. Katayama
  • Journal Title: American Mineralogist Volume: 96 Pages: 553-557
  • DOI: DOI:10.2138/am.2011.3577
  • Peer Reviewed
• [Journal Article] Effect of hydrogen on melting temperature of FeS at high pressure: Implications for core of Ganymede (2011)
  • Author(s): Shibazaki, Y., E. Ohtani, H. Terasaki, R. Tateyama, T. Sakamaki, K. Funakoshi
  • Journal Title: Earth and Planetary Science Letters Volume: 301 Pages: 153-158
  • DOI: DOI:10.1016/j.epsl.2010.10.033
  • Peer Reviewed
• [Journal Article] Hydrogenation of FeSi under high pressure (2011)
  • Author(s): Terasaki, H., Y. Shibazaki, T. Sakamaki, R. Tateyama, E. Ohtani, K. Funakoshi, Y. Higo
  • Journal Title: American Mineralogist Volume: 96 Pages: 93-99
  • DOI: DOI:10.2138/am.2011.3628
  • Peer Reviewed
• [Presentation] Iron alloy-water reaction and light elements in the Earth's core (2013)
  • Author(s): Kondo, T., Yamashita, T., Yoshida, Y., Ishida, Y., Terasaki, H., Kikegawa, T.
  • Organizer: Workshop on Approach to the centre of the Earth
  • Place of Presentation: Sendai
  • Year and Date: 20130220-22
• [Presentation] Transport of water and hydrogen into the lower mantle and core (2012)
  • Author(s): Ohtani E., Ohira I., Terasaki H.
  • Organizer: AGU Fall meeting 2012
  • Place of Presentation: San Francisco
  • Year and Date: 20121203-07
• [Presentation] 高温高圧下における液体の密度・音速同時測定法の開発 (2012)
  • Author(s): 寺崎英紀、西田圭佑、浦川啓、上杉健太朗、星野真人、田窪勇作、桑原荘馬、近藤忠、河野義生
  • Organizer: 第53回高圧討論会
  • Place of Presentation: 大阪
  • Year and Date: 20121107-09
• [Presentation] 高温高圧下における放射光を用いた複合測定 (2012)
  • Author(s): 近藤忠、寺崎英紀、亀卦川卓美、張小威、中尾裕則
  • Organizer: 第53回高圧討論会
  • Place of Presentation: 大阪
  • Year and Date: 20121107-09
• [Presentation] Permeability of core-forming melt in asteroids based on in situ X-ray tomography (2012)
  • Author(s): Terasaki H., Urakawa S., Uesugi K., Ohtani E.
  • Organizer: G-COE International Symposium "Achievements of G-COE Program for Earth and Planetary Dynamics and the Future Perspective
  • Place of Presentation: Sendai
  • Year and Date: 20120925-28
• [Presentation] 地球深部研究に向けた高圧物性測定の進展 (2012)
  • Author(s): 西原遊、寺崎英紀
  • Organizer: Spring-8シンポジウム2012
  • Place of Presentation: 大阪
  • Year and Date: 20120925-26
• [Presentation] 放射光X線回折法およびスペクトロスコピーを併用した地球中心部の総合的解明 (2012)
  • Author(s): 増野いづみ、大谷栄治、境毅、寺崎英紀、村上元彦、平尾直久、大石泰生
  • Organizer: Spring-8シンポジウム2012
  • Place of Presentation: 大 阪
  • Year and Date: 20120825-26
• [Presentation] Stability of high Pressure Hydrous Delta-phase and its Roles under the Lower Mantle Conditions (2012)
  • Author(s): Ohtani E., Ohira I., Sakai T., Terasaki H., Hirao N.
  • Organizer: Asia Oceania Geoscience Society (AOGS) -AGU(WPGM) Joint Assembly
  • Place of Presentation: Singapore
  • Year and Date: 20120813-17
• [Presentation] Hydrogen solubility into Fe-C and Fe-Si alloys at high pressure (2012)
  • Author(s): Terasaki H., Shibazaki Y., Nishida K., Takahashi S., Ishii M., Ohtani E., Higo Y.
  • Organizer: Japan Geoscience Union Meeting 2012
  • Place of Presentation: Chiba
  • Year and Date: 20120520-25
• [Presentation] Neutron Camera Installed in BL11 "PLANET" Beamline in J-PARC (2012)
  • Author(s): Inoue, T., Arima, H., Terasaki, H., Hattori, T., Sano, A
  • Organizer: Japan Geoscience Union Meeting 2012
  • Place of Presentation: Chiba
  • Year and Date: 20120520-25
• [Presentation] Droplet size of liquid Fe-alloy in terrestrial magma ocean (2012)
  • Author(s): Terasaki H., Urakawa S., Rubie DC., Funakoshi K., Sakamaki T., Shibazaki Y., Ozawa S., Ohtani E.
  • Organizer: Joint symposium of Misasa-2012 and Geofluid-2
  • Place of Presentation: Blanc Art Misasa, Tottori.
  • Year and Date: 20120318-21
• [Presentation] Boundary pressure of inter-connection of Fe-Ni-S melt in olivine based on in-situ X-ray tomography: Implication to core formation in asteroids (2011)
  • Author(s): Terasaki H., Urakawa S., Uesugi K., Nakatsuka A., Funakoshi K., Ohtani E.
  • Organizer: AGU Fall Meeting
  • Place of Presentation: San Francisco, USA.
  • Year and Date: 20111205-09
• [Presentation] 高温高圧CT測定によるFe-Ni-S融体の浸透特性に対する圧力・組成の効果 (2011)
  • Author(s): 寺崎英紀,浦川啓,上杉健太朗,中塚明日美,舟越賢一,大谷栄治
  • Organizer: 第52回高圧討論会
  • Place of Presentation: 沖縄キリスト教学院、沖縄
  • Year and Date: 20111109-11
• [Presentation] Fate of water in the deep Earth interior (2011)
  • Author(s): Terasaki H.
  • Organizer: 日独先端科学シンポジウム
  • Place of Presentation: ホテルニューオータニ、東京
  • Year and Date: 20111028-30
• [Presentation] 高圧X線マイクロCTを用いた吸収密度測定 (2011)
  • Author(s): 中塚明日美,浦川啓,寺崎英紀,舟越賢一,上杉健太朗
  • Organizer: 日本地質学会第118年学術大会・日本鉱物科学会2011年年会合同学術大会
  • Place of Presentation: 茨城大学、茨城
  • Year and Date: 20110909-11
• [Presentation] Magma studies towards pulse neutron utility (2011)
  • Author(s): Inoue T., Urakawa S., Ohtaka O., Suzuki A., Mibe K., Terasaki H., Yamada A., Arima H.
  • Organizer: 日本地球惑星科学連合2011年大会
  • Place of Presentation: 幕張メッセ、千葉.
  • Year and Date: 20110522-27
• [Presentation] Carbon in Planetary cores (2011)
  • Author(s): Ohtani E., Takahashi S., Shimoyama Y., Terasaki H., Suzuki A
  • Organizer: 日本地球惑星科学連合2011年大会
  • Place of Presentation: 幕張メッセ、千葉.
  • Year and Date: 20110522-27