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Crystallization of silicon dioxide and compositional evolution of the Earth’s core

Author

Listed:
  • Kei Hirose

    (Earth-Life Science Institute, Tokyo Institute of Technology)

  • Guillaume Morard

    (Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie, UMR CNRS 7590, Sorbonne Universités—Université Pierre et Marie Curie, CNRS, Muséum National d’Histoire Naturelle, IRD)

  • Ryosuke Sinmyo

    (Earth-Life Science Institute, Tokyo Institute of Technology)

  • Koichio Umemoto

    (Earth-Life Science Institute, Tokyo Institute of Technology)

  • John Hernlund

    (Earth-Life Science Institute, Tokyo Institute of Technology)

  • George Helffrich

    (Earth-Life Science Institute, Tokyo Institute of Technology)

  • Stéphane Labrosse

    (Université de Lyon, École normale supérieure de Lyon, Université Lyon-1, CNRS, UMR 5276 LGL-TPE)

Abstract

Melting experiments with liquid Fe–Si–O alloy at the pressure of the Earth’s core reveal that the crystallization of silicon dioxide leads to core convection and a dynamo.

Suggested Citation

  • Kei Hirose & Guillaume Morard & Ryosuke Sinmyo & Koichio Umemoto & John Hernlund & George Helffrich & Stéphane Labrosse, 2017. "Crystallization of silicon dioxide and compositional evolution of the Earth’s core," Nature, Nature, vol. 543(7643), pages 99-102, March.
    • Handle: RePEc:nat:nature:v:543:y:2017:i:7643:d:10.1038_nature21367
    DOI: 10.1038/nature21367
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    Cited by:

    1. Zhi Li & Kuangdai Leng & Jennifer Jenkins & Sanne Cottaar, 2022. "Kilometer-scale structure on the core–mantle boundary near Hawaii," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    2. Shunpei Yokoo & Kei Hirose & Shoh Tagawa & Guillaume Morard & Yasuo Ohishi, 2022. "Stratification in planetary cores by liquid immiscibility in Fe-S-H," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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