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Oxidation of Archean upper mantle caused by crustal recycling

Author

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  • Lei Gao

    (Key Laboratory of Geological Processes and Mineral Resources, School of Earth Sciences and Resources, China University of Geosciences
    Key Laboratory of Orogenic Belts and Crustal Evolution, Ministry of Education, School of Earth and Space Sciences, Peking University)

  • Shuwen Liu

    (Key Laboratory of Orogenic Belts and Crustal Evolution, Ministry of Education, School of Earth and Space Sciences, Peking University)

  • Peter A. Cawood

    (School of Earth, Atmosphere and Environment, Monash University)

  • Fangyang Hu

    (Key Laboratory of Mineral Resources, Institute of Geology and Geophysics, Chinese Academy of Sciences
    Innovation Academy for Earth Science, Chinese Academy of Sciences)

  • Jintuan Wang

    (State Key Laboratory of Isotope Geochemistry, Guangzhou Institute of Geochemistry, CAS)

  • Guozheng Sun

    (Key Laboratory of Orogenic Belts and Crustal Evolution, Ministry of Education, School of Earth and Space Sciences, Peking University
    Ocean University of China)

  • Yalu Hu

    (Key Laboratory of Orogenic Belts and Crustal Evolution, Ministry of Education, School of Earth and Space Sciences, Peking University)

Abstract

The redox evolution of Archean upper mantle impacted mantle melting and the nature of chemical equilibrium between mantle, ocean and atmosphere of the early Earth. Yet, the origin of these variations in redox remain controversial. Here we show that a global compilation of ∼3.8-2.5 Ga basalts can be subdivided into group B-1, showing modern mid-ocean ridge basalt-like features ((Nb/La)PM ≥ 0.75), and B-2, which are similar to contemporary island arc-related basalts ((Nb/La)PM

Suggested Citation

  • Lei Gao & Shuwen Liu & Peter A. Cawood & Fangyang Hu & Jintuan Wang & Guozheng Sun & Yalu Hu, 2022. "Oxidation of Archean upper mantle caused by crustal recycling," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-30886-4
    DOI: 10.1038/s41467-022-30886-4
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    References listed on IDEAS

    as
    1. Guozheng Sun & Shuwen Liu & Peter A. Cawood & Ming Tang & Jeroen Hunen & Lei Gao & Yalu Hu & Fangyang Hu, 2021. "Thermal state and evolving geodynamic regimes of the Meso- to Neoarchean North China Craton," Nature Communications, Nature, vol. 12(1), pages 1-11, December.
    2. Shintaro Kadoya & David C. Catling & Robert W. Nicklas & Igor S. Puchtel & Ariel D. Anbar, 2020. "Mantle data imply a decline of oxidizable volcanic gases could have triggered the Great Oxidation," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
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