An extraterrestrial trigger for the mid-Ordovician ice age: Dust from the breakup of the L-chondrite parent body

  • Birger Schmitz
    Astrogeobiology Laboratory, Department of Physics, Lund University, Lund, Sweden.
  • Kenneth A. Farley
    Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA, USA.
  • Steven Goderis
    Department of Chemistry, Vrije Universiteit Brussel, Brussels, Belgium.
  • Philipp R. Heck
    Robert A. Pritzker Center for Meteoritics and Polar Studies, The Field Museum of Natural History, Chicago, IL, USA.
  • Stig M. Bergström
    School of Earth Sciences, The Ohio State University, Columbus, OH, USA.
  • Samuele Boschi
    Astrogeobiology Laboratory, Department of Physics, Lund University, Lund, Sweden.
  • Philippe Claeys
    Analytical, Environmental, and Geo-Chemistry, Vrije Universiteit Brussel, Brussels, Belgium.
  • Vinciane Debaille
    Laboratoire G-Time, Université Libre de Bruxelles, Brussels, Belgium.
  • Andrei Dronov
    Geological Institute, Russian Academy of Sciences, Moscow, Russia.
  • Matthias van Ginneken
    Royal Belgian Institute of Natural Sciences, Brussels, Belgium.
  • David A.T. Harper
    Department of Earth Sciences, Durham University, Durham, UK.
  • Faisal Iqbal
    Astrogeobiology Laboratory, Department of Physics, Lund University, Lund, Sweden.
  • Johan Friberg
    Astrogeobiology Laboratory, Department of Physics, Lund University, Lund, Sweden.
  • Shiyong Liao
    Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing, China.
  • Ellinor Martin
    Astrogeobiology Laboratory, Department of Physics, Lund University, Lund, Sweden.
  • Matthias M. M. Meier
    Department of Earth Sciences, ETH Zürich, Zürich, Switzerland.
  • Bernhard Peucker-Ehrenbrink
    Department of Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, Woods Hole, MA, USA.
  • Bastien Soens
    Analytical, Environmental, and Geo-Chemistry, Vrije Universiteit Brussel, Brussels, Belgium.
  • Rainer Wieler
    Department of Earth Sciences, ETH Zürich, Zürich, Switzerland.
  • Fredrik Terfelt
    Astrogeobiology Laboratory, Department of Physics, Lund University, Lund, Sweden.

抄録

<jats:p>The disruption of a 150-km large asteroid filled the inner solar system with dust that cooled Earth and caused faunal turnovers.</jats:p>

収録刊行物

  • Science Advances

    Science Advances 5 (9), 2019-09-06

    American Association for the Advancement of Science (AAAS)

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