Determination of the phase relation of subduction-zone fluids and direct observation of the reactions between subduction-zone fluids and mantle minerals

• Project/Area Number: 19740270
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Solid earth and planetary physics
• Research Institution: The University of Tokyo
• Principal Investigator: MIBE Kenji The University of Tokyo, 地震研究所, 助教 (10372426)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,570,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥270,000); Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2007: ¥2,400,000 (Direct Cost: ¥2,400,000)
• Keywords: フルイド / マグマ / 超臨界流体 / 高温高圧 / 沈み込み帯 / ラマン分光 / ダイヤモンドアンビル / 火山現象 / 第2臨界端点 / コランダム / ルビー / サファイア / マントル / 水

Research Abstract

沈み込み帯におけるマグマの生成や物質循環を明らかにするため、外熱式ダイヤモンドアンビル高温高圧発生装置内部の試料を顕微鏡下で直接観察することにより沈み込み帯のフルイドの相関係の決定し、また、顕微レーザーラマン分光装置を併用して高温高圧下のマグマやフルイドの構造に関する分光学的研究を行った。

Research Products

• [Journal Article] The speciation of aqueous zinc(II) bromide solutions to 500℃ and 900 MPa determined using Raman spectroscopy (2009)
  • Author(s): Mibe, K, I-M. Chou, A. J. Anderson, R. A. Mayanovic, W.A. Bassett
  • Journal Title: Chem. Geol. 259
• [Journal Article] The speciation of aqueous zinc(II) bromide solutions to 500℃ and 900 MPa determined using Raman spectroscopy (2009)
  • Author(s): Mibe, K., I-M. Chou, A. Anderson, R. Mayanovic, W. A. Bassett
  • Journal Title: Chemical Geology 259 Pages: 48-53
  • Peer Reviewed
• [Journal Article] In situ Raman spectroscopic investigation of the structure of subduction-zone fluids (2008)
  • Author(s): Mibe, K., I-M. Chou, W. A. Bassett
  • Journal Title: J. Geophys. Res. 113
• [Journal Article] P-V-T equation of state of platinum to 80 GPa and 1900 K from internal resistive heating/x-ray diffraction measurements (2008)
  • Author(s): Zha, C. S., K. Mibe. W. A. Bassett, O. Tschauner, H. K. Mao, R.J. Hemley
  • Journal Title: J. Appl. Phys. 103
• [Journal Article] In situ Raman spectroscopic investigation of the structure of subduction-zone fluids (2008)
  • Author(s): Mibe, K., I-M. Chou and W.A. Bassett
  • Journal Title: Journal of Geophysical Research 113
  • Peer Reviewed
• [Journal Article] P-V-T equation of state of platinum to 80 GPa and 1900 K from internal resistive heating/x-ray diffraction measurements (2008)
  • Author(s): Zha, C. S., K. Mibe, W. A. B assett, O. Tschauner, H. K. Mao and R. J. Hemley
  • Journal Title: Journal of Applied Physics 103 Pages: 54908-54908
  • Peer Reviewed
• [Presentation] 高温高圧その場ラマン分光法による沈み込み帯流体の構造に関する研究 (2009)
  • Author(s): 三部賢治, I-M. Chou, W. A. Bassett
  • Organizer: 日本地球惑星科学連合2009年大会
  • Place of Presentation: 幕張メッセ国際会議場
  • Year and Date: 2009-05-16
• [Presentation] 高温高圧その場ラマン分光法による地殻流体中の化学種の推定 (2009)
  • Author(s): 三部賢治, I-M. Chou, A. J. Anderson, R. A. Mayanovic, W. A. Bassett
  • Organizer: 日本地球惑星科学連合2009年大会
  • Place of Presentation: 幕張メッセ国際会議場
  • Year and Date: 2009-05-16
• [Presentation] In Situ Raman Spectroscopic Investigation of the Structures of Aqueous Fluid, Hydrous Melt, and Supercritical Fluid in the System KA1Si_3O_8-H_2O up to 900℃ and 2.3 GPa (2008)
  • Author(s): Mibe, K., I-M. Chou, W. A. Bassett
  • Organizer: American Geophysical Union Fall Meeting 2008
  • Place of Presentation: サンフランシスコ(米国)
  • Year and Date: 2008-12-17
• [Presentation] In Situ Raman Spectroscopic Investigation of the Structures of Aqueous Fluid, Hydrous Melt, and Supercritical Fluid in the System KAI Si_3O_8-H_2O up to 900℃ and 2.3 Gpa (2008)
  • Author(s): Mibe, K., I-M. Chou and W.A. Bassett
  • Organizer: American Geophysical Union Fall Meeting 2008
  • Place of Presentation: サンフランシスコ(米国)
  • Year and Date: 2008-12-17
• [Presentation] In situ Raman spectroscopic investigation of the structure and speciation of aqueous zinc bromide solutions to 500℃ and 0.9 GPa (2008)
  • Author(s): Mibe, K., I-M. Chou, A. J. Anderson, R. A. Mayanovic, W. A. Bassett
  • Organizer: Goldschmidt 2008
  • Place of Presentation: バンクーバー(カナダ)
  • Year and Date: 2008-07-14