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A crystallizing dense magma ocean at the base of the Earth’s mantle

Author

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  • S. Labrosse

    (Laboratoire des sciences de la Terre, Ecole Normale Supérieure de Lyon, Université de Lyon, CNRS UMR 5570, 46 Allée d’Italie, 69364 Lyon Cedex 07, France)

  • J. W. Hernlund

    (Équipe de Dynamique des Fluides Géologiques, Institut de Physique du Globe de Paris, 4 place Jussieu, 75252 Paris Cedex 05, France
    Present address: Department of Earth and Ocean Sciences, University of British Columbia, Vancouver, BC V6T 1Z4, Canada.)

  • N. Coltice

    (Laboratoire des sciences de la Terre, Ecole Normale Supérieure de Lyon, Université de Lyon, CNRS UMR 5570, 46 Allée d’Italie, 69364 Lyon Cedex 07, France
    Laboratoire des sciences de la Terres, Université Lyon 1, Université de Lyon, CNRS UMR 5570, 2 rue Raphael Dubois, 69622 Villeurbanne Cedex, France)

Abstract

If a stable layer of dense melt formed at the base of the mantle early in Earth's history, it would have undergone slow fractional crystallization and could provide an unsampled geochemical reservoir hosting a variety of incompatible geochemical species (most notably the missing budget of heat producing elements).

Suggested Citation

  • S. Labrosse & J. W. Hernlund & N. Coltice, 2007. "A crystallizing dense magma ocean at the base of the Earth’s mantle," Nature, Nature, vol. 450(7171), pages 866-869, December.
    • Handle: RePEc:nat:nature:v:450:y:2007:i:7171:d:10.1038_nature06355
    DOI: 10.1038/nature06355
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    Cited by:

    1. Suraj K. Bajgain & Aaron Wolfgang Ashley & Mainak Mookherjee & Dipta B. Ghosh & Bijaya B. Karki, 2022. "Insights into magma ocean dynamics from the transport properties of basaltic melt," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Vasilije V. Dobrosavljevic & Dongzhou Zhang & Wolfgang Sturhahn & Stella Chariton & Vitali B. Prakapenka & Jiyong Zhao & Thomas S. Toellner & Olivia S. Pardo & Jennifer M. Jackson, 2023. "Melting and defect transitions in FeO up to pressures of Earth’s core-mantle boundary," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    3. 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.
    4. Laura Cobden & Jingyi Zhuang & Wenjie Lei & Renata Wentzcovitch & Jeannot Trampert & Jeroen Tromp, 2024. "Full-waveform tomography reveals iron spin crossover in Earth’s lower mantle," Nature Communications, Nature, vol. 15(1), pages 1-10, December.

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