Research ArticleGEOLOGY

Globally distributed iridium layer preserved within the Chicxulub impact structure

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Science Advances  24 Feb 2021:
Vol. 7, no. 9, eabe3647
DOI: 10.1126/sciadv.abe3647

Article Information

vol. 7 no. 9

Online ISSN: 
  • Received for publication August 17, 2020
  • Accepted for publication January 11, 2021
  • .

Author Information

  1. Steven Goderis1,*,
  2. Honami Sato2,3,
  3. Ludovic Ferrière4,
  4. Birger Schmitz5,
  5. David Burney6,
  6. Pim Kaskes1,7,
  7. Johan Vellekoop1,8,
  8. Axel Wittmann9,
  9. Toni Schulz10,11,
  10. Stepan M. Chernonozhkin12,
  11. Philippe Claeys1,
  12. Sietze J. de Graaff1,7,
  13. Thomas Déhais1,7,
  14. Niels J. de Winter1,13,
  15. Mikael Elfman5,
  16. Jean-Guillaume Feignon10,
  17. Akira Ishikawa14,3,
  18. Christian Koeberl10,
  19. Per Kristiansson5,
  20. Clive R. Neal6,
  21. Jeremy D. Owens15,
  22. Martin Schmieder16,17,
  23. Matthias Sinnesael1,18,
  24. Frank Vanhaecke12,
  25. Stijn J. M. Van Malderen12,
  26. Timothy J. Bralower19,
  27. Sean P. S. Gulick20,21,22,
  28. David A. Kring17,
  29. Christopher M. Lowery20,
  30. Joanna V. Morgan23,
  31. Jan Smit24,
  32. Michael T. Whalen25,
  33. IODP-ICDP Expedition 364 Scientists
  1. 1Analytical, Environmental, and Geochemistry, Vrije Universiteit Brussel, Brussels, Belgium.
  2. 2Department of Geosciences, University of Padova, Padova, Italy.
  3. 3Submarine Resources Research Center, Research Institute for Marine Resources Utilization, Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan.
  4. 4Natural History Museum, Vienna, Austria.
  5. 5Astrogeobiology Laboratory, Division of Nuclear Physics, Department of Physics, Lund University, Lund, Sweden.
  6. 6Department of Civil and Environmental Engineering and Earth Sciences, University of Notre Dame, Notre Dame, IN, USA.
  7. 7Laboratoire G-Time, Université Libre de Bruxelles, Brussels, Belgium.
  8. 8Department of Geology, KU Leuven, Leuven, Belgium.
  9. 9Eyring Materials Center, Arizona State University, Tempe, AZ, USA.
  10. 10Department of Lithospheric Research, University of Vienna, Vienna, Austria.
  11. 11Institut für Geologie und Mineralogie, Universität zu Köln, Köln, Germany.
  12. 12Atomic and Mass Spectrometry–A&MS research group, Department of Chemistry, Ghent University, Ghent, Belgium.
  13. 13Department of Earth Sciences, Utrecht University, Utrecht, Netherlands.
  14. 14Department of Earth and Planetary Sciences, Tokyo Institute of Technology, Tokyo, Japan.
  15. 15Department of Earth, Ocean and Atmospheric Science and National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL, USA.
  16. 16HNU Neu-Ulm University of Applied Sciences, Neu-Ulm, Germany.
  17. 17Lunar and Planetary Institute–USRA, Houston, TX, USA.
  18. 18Department of Earth Sciences, Durham University, Durham, UK.
  19. 19Department of Geosciences, Pennsylvania State University, University Park, PA, USA.
  20. 20Institute for Geophysics, University of Texas at Austin, Austin, TX, USA.
  21. 21Department of Geological Sciences, University of Texas at Austin, Austin, TX, USA.
  22. 22Center for Planetary Systems Habitability, University of Texas, Austin, TX, USA.
  23. 23Department of Earth Science and Engineering, Imperial College London, London, UK.
  24. 24Department of Earth Sciences, Vrije Universiteit Amsterdam, Amsterdam, Netherlands.
  25. 25Department of Geosciences, University of Alaska Fairbanks, Fairbanks, AK, USA.
  1. *Corresponding author. Email: steven.goderis{at}
  • Full list of the Expedition 364 Scientists can be found in the Supplementary Materials.


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