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Passive margins in accreting Archaean archipelagos signal continental stability promoting early atmospheric oxygen rise

Author

Listed:
  • Yaying Peng

    (China University of Geosciences)

  • Timothy Kusky

    (China University of Geosciences
    China University of Geosciences)

  • Lu Wang

    (China University of Geosciences)

  • Zhikang Luan

    (China University of Geosciences)

  • Chuanhai Wang

    (China University of Geosciences)

  • Xuanyu Liu

    (China University of Geosciences)

  • Yating Zhong

    (China University of Geosciences)

  • Noreen J. Evans

    (John de Laeter Centre, Curtin University)

Abstract

Significant changes in tectonic style and climate occurred from the late Archaean to early Proterozoic when continental growth and emergence provided opportunities for photosynthetic life to proliferate by the initiation of the Great Oxidation Event (GOE). In this study, we report a Neoarchaean passive-margin-type sequence (2560–2500 million years ago) from the Precambrian basement of China that formed in an accretionary orogen. Tectonostratigraphic and detrital zircon analysis reveal that thermal subsidence on the backside of a recently amalgamated oceanic archipelago created a quiet, shallow water environment, marked by deposition of carbonates, shales, and shallow water sediments, likely hosts to early photosynthetic microbes. Distinct from the traditional understanding of passive margins generated by continental rifting, post-collisional subsidence of archipelago margins represents a novel stable niche, signalling initial continental maturity and foreshadowing great changes at the Archaean-Proterozoic boundary.

Suggested Citation

  • Yaying Peng & Timothy Kusky & Lu Wang & Zhikang Luan & Chuanhai Wang & Xuanyu Liu & Yating Zhong & Noreen J. Evans, 2022. "Passive margins in accreting Archaean archipelagos signal continental stability promoting early atmospheric oxygen rise," Nature Communications, Nature, vol. 13(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-35559-w
    DOI: 10.1038/s41467-022-35559-w
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    References listed on IDEAS

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    1. Yating Zhong & Timothy Kusky & Lu Wang & Ali Polat & Xuanyu Liu & Yaying Peng & Zhikang Luan & Chuanhai Wang & Junpeng Wang & Hao Deng, 2021. "Alpine-style nappes thrust over ancient North China continental margin demonstrate large Archean horizontal plate motions," Nature Communications, Nature, vol. 12(1), pages 1-15, December.
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    Cited by:

    1. Bo Huang & Man Liu & Timothy M. Kusky & Tim E. Johnson & Simon A. Wilde & Dong Fu & Hao Deng & Qunye Qian, 2023. "Changes in orogenic style and surface environment recorded in Paleoproterozoic foreland successions," Nature Communications, Nature, vol. 14(1), pages 1-14, December.

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    1. Bo Huang & Man Liu & Timothy M. Kusky & Tim E. Johnson & Simon A. Wilde & Dong Fu & Hao Deng & Qunye Qian, 2023. "Changes in orogenic style and surface environment recorded in Paleoproterozoic foreland successions," Nature Communications, Nature, vol. 14(1), pages 1-14, December.

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