In situ determination of the phase boundary between wadsleyite and ringwoodite in Mg2SiO4

Akio Suzuki, Eiji Ohtani, Hideaki Morishima, Tomoaki Kubo, Yuichi Kanbe, Tadashi Kondo, Taku Okada, Hidenori Terasaki, Takumi Kato, Takumi Kikegawa

研究成果: ジャーナルへの寄稿学術誌査読

121 被引用数 (Scopus)

抄録

The phase boundary between wadsleyite and ringwoodite in Mg2SiO4 composition was determined by in situ observation using synchrotron X-ray and multi anvil apparatus in KEK, Tsukuba, Japan. An energy dispersive method was employed using the Ge solid state detector and the white X-ray beam from the synchrotron radiation source. The pressure was determined by the equation of state of NaCl. The stability field was identified by the change in intensities of diffraction lines of each phases. As a result, the phase boundary is expressed as a linear equation P=10.32(28)+0.00691(9)xT, where P is pressure in gigapascals and T is temperature in degrees Celsius.

本文言語英語
ページ(範囲)803-806
ページ数4
ジャーナルGeophysical Research Letters
27
6
DOI
出版ステータス出版済み - 3月 15 2000
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 地球物理学
  • 地球惑星科学(全般)

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