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Geochemical evidence for widespread euxinia in the Later Cambrian ocean

Author

Listed:
  • Benjamin C. Gill

    (University of California, 900 University Avenue
    Present address: Department of Earth and Planetary Sciences Harvard University, 20 Oxford Street, Cambridge, Massachusetts 02138, USA.)

  • Timothy W. Lyons

    (University of California, 900 University Avenue)

  • Seth A. Young

    (Indiana University-Bloomington)

  • Lee R. Kump

    (Penn State University, 503 Deike Building, University Park)

  • Andrew H. Knoll

    (Harvard University)

  • Matthew R. Saltzman

    (School of Earth Science, The Ohio State University, 275 Mendenhall Laboratory, 125 South Oval Mall)

Abstract

Oxygen shortage in the ancient oceans It has been suggested that the Cambrian ocean was oxygen deficient, but physical evidence for widespread anoxia has been lacking. Gill et al. present sulphur isotope data from Cambrian rocks at six different locations around the world and find a positive sulphur isotope excursion in phase with a large excursion in the marine carbon isotope record, which is thought to be indicative of a global carbon cycle perturbation at the time. A prolonged period of anoxia during the Cambrian may explain the previously enigmatic peculiarities seen in the fossil record.

Suggested Citation

  • Benjamin C. Gill & Timothy W. Lyons & Seth A. Young & Lee R. Kump & Andrew H. Knoll & Matthew R. Saltzman, 2011. "Geochemical evidence for widespread euxinia in the Later Cambrian ocean," Nature, Nature, vol. 469(7328), pages 80-83, January.
    • Handle: RePEc:nat:nature:v:469:y:2011:i:7328:d:10.1038_nature09700
    DOI: 10.1038/nature09700
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    Cited by:

    1. Andrey Yu. Zhuravlev & Emily G. Mitchell & Fred Bowyer & Rachel Wood & Amelia Penny, 2022. "Increases in reef size, habitat and metacommunity complexity associated with Cambrian radiation oxygenation pulses," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    2. Zhengfu Zhao & Nicolas R. Thibault & Tais W. Dahl & Niels H. Schovsbo & Aske L. Sørensen & Christian M. Ø. Rasmussen & Arne T. Nielsen, 2022. "Synchronizing rock clocks in the late Cambrian," Nature Communications, Nature, vol. 13(1), pages 1-11, December.

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