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Age and pattern of the southern high-latitude continental end-Permian extinction constrained by multiproxy analysis

Author

Listed:
  • Christopher R. Fielding

    (University of Nebraska-Lincoln)

  • Tracy D. Frank

    (University of Nebraska-Lincoln)

  • Stephen McLoughlin

    (Swedish Museum of Natural History)

  • Vivi Vajda

    (Swedish Museum of Natural History)

  • Chris Mays

    (Swedish Museum of Natural History)

  • Allen P. Tevyaw

    (University of Nebraska-Lincoln)

  • Arne Winguth

    (University of Texas at Arlington)

  • Cornelia Winguth

    (University of Texas at Arlington)

  • Robert S. Nicoll

    (Geoscience Australia)

  • Malcolm Bocking

    (Bocking Associates)

  • James L. Crowley

    (Boise State University)

Abstract

Past studies of the end-Permian extinction (EPE), the largest biotic crisis of the Phanerozoic, have not resolved the timing of events in southern high-latitudes. Here we use palynology coupled with high-precision CA-ID-TIMS dating of euhedral zircons from continental sequences of the Sydney Basin, Australia, to show that the collapse of the austral Permian Glossopteris flora occurred prior to 252.3 Ma (~370 kyrs before the main marine extinction). Weathering proxies indicate that floristic changes occurred during a brief climate perturbation in a regional alluvial landscape that otherwise experienced insubstantial change in fluvial style, insignificant reorganization of the depositional surface, and no abrupt aridification. Palaeoclimate modelling suggests a moderate shift to warmer summer temperatures and amplified seasonality in temperature across the EPE, and warmer and wetter conditions for all seasons into the Early Triassic. The terrestrial EPE and a succeeding peak in Ni concentration in the Sydney Basin correlate, respectively, to the onset of the primary extrusive and intrusive phases of the Siberian Traps Large Igneous Province.

Suggested Citation

  • Christopher R. Fielding & Tracy D. Frank & Stephen McLoughlin & Vivi Vajda & Chris Mays & Allen P. Tevyaw & Arne Winguth & Cornelia Winguth & Robert S. Nicoll & Malcolm Bocking & James L. Crowley, 2019. "Age and pattern of the southern high-latitude continental end-Permian extinction constrained by multiproxy analysis," Nature Communications, Nature, vol. 10(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-018-07934-z
    DOI: 10.1038/s41467-018-07934-z
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    Cited by:

    1. Jacopo Dal Corso & Robert J. Newton & Aubrey L. Zerkle & Daoliang Chu & Haijun Song & Huyue Song & Li Tian & Jinnan Tong & Tommaso Di Rocco & Mark W. Claire & Tamsin A. Mather & Tianchen He & Timothy , 2024. "Repeated pulses of volcanism drove the end-Permian terrestrial crisis in northwest China," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
    2. Jun Shen & Jiubin Chen & Jianxin Yu & Thomas J. Algeo & Roger M. H. Smith & Jennifer Botha & Tracy D. Frank & Christopher R. Fielding & Peter D. Ward & Tamsin A. Mather, 2023. "Mercury evidence from southern Pangea terrestrial sections for end-Permian global volcanic effects," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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