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Hydrogen-bearing iron peroxide and the origin of ultralow-velocity zones

Author

Listed:
  • Jin Liu

    (Stanford University)

  • Qingyang Hu

    (Stanford University
    Center for High Pressure Science and Technology Advanced Research)

  • Duck Young Kim

    (Center for High Pressure Science and Technology Advanced Research)

  • Zhongqing Wu

    (Laboratory of Seismology and Physics of Earth’s Interior, School of Earth and Space Sciences, University of Science and Technology of China)

  • Wenzhong Wang

    (Laboratory of Seismology and Physics of Earth’s Interior, School of Earth and Space Sciences, University of Science and Technology of China)

  • Yuming Xiao

    (High Pressure Collaborative Access Team, Geophysical Laboratory, Carnegie Institution of Washington)

  • Paul Chow

    (High Pressure Collaborative Access Team, Geophysical Laboratory, Carnegie Institution of Washington)

  • Yue Meng

    (High Pressure Collaborative Access Team, Geophysical Laboratory, Carnegie Institution of Washington)

  • Vitali B. Prakapenka

    (Center for Advanced Radiation Sources, University of Chicago)

  • Ho-Kwang Mao

    (Center for High Pressure Science and Technology Advanced Research
    Geophysical Laboratory, Carnegie Institution of Washington)

  • Wendy L. Mao

    (Stanford University
    Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory)

Abstract

A reaction between iron and water at the high pressure and temperature of the lowermost mantle is described that produces hydrogen-bearing iron peroxide, which has the properties expected of the ultralow-velocity zones at Earth’s core–mantle boundary.

Suggested Citation

  • Jin Liu & Qingyang Hu & Duck Young Kim & Zhongqing Wu & Wenzhong Wang & Yuming Xiao & Paul Chow & Yue Meng & Vitali B. Prakapenka & Ho-Kwang Mao & Wendy L. Mao, 2017. "Hydrogen-bearing iron peroxide and the origin of ultralow-velocity zones," Nature, Nature, vol. 551(7681), pages 494-497, November.
    • Handle: RePEc:nat:nature:v:551:y:2017:i:7681:d:10.1038_nature24461
    DOI: 10.1038/nature24461
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    Cited by:

    1. Wen-Yi Zhou & Ming Hao & Jin S. Zhang & Bin Chen & Ruijia Wang & Brandon Schmandt, 2022. "Constraining composition and temperature variations in the mantle transition zone," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    2. Katsutoshi Kawano & Masayuki Nishi & Hideharu Kuwahara & Sho Kakizawa & Toru Inoue & Tadashi Kondo, 2024. "Extensive iron–water exchange at Earth’s core–mantle boundary can explain seismic anomalies," Nature Communications, Nature, vol. 15(1), pages 1-8, December.

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