Globally distributed iridium layer preserved within the Chicxulub impact structure

Author:

Goderis Steven1ORCID,Sato Honami23ORCID,Ferrière Ludovic4ORCID,Schmitz Birger5ORCID,Burney David6,Kaskes Pim17ORCID,Vellekoop Johan18ORCID,Wittmann Axel9ORCID,Schulz Toni1011ORCID,Chernonozhkin Stepan M.12ORCID,Claeys Philippe1ORCID,de Graaff Sietze J.17ORCID,Déhais Thomas17ORCID,de Winter Niels J.113ORCID,Elfman Mikael5ORCID,Feignon Jean-Guillaume10ORCID,Ishikawa Akira314ORCID,Koeberl Christian10ORCID,Kristiansson Per5,Neal Clive R.6ORCID,Owens Jeremy D.15ORCID,Schmieder Martin1617ORCID,Sinnesael Matthias118ORCID,Vanhaecke Frank12ORCID,Van Malderen Stijn J. M.12ORCID,Bralower Timothy J.19ORCID,Gulick Sean P. S.202122ORCID,Kring David A.17ORCID,Lowery Christopher M.20ORCID,Morgan Joanna V.23ORCID,Smit Jan24ORCID,Whalen Michael T.25ORCID,

Affiliation:

1. Analytical, Environmental, and Geochemistry, Vrije Universiteit Brussel, Brussels, Belgium.

2. Department of Geosciences, University of Padova, Padova, Italy.

3. Submarine Resources Research Center, Research Institute for Marine Resources Utilization, Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan.

4. Natural History Museum, Vienna, Austria.

5. Astrogeobiology Laboratory, Division of Nuclear Physics, Department of Physics, Lund University, Lund, Sweden.

6. Department of Civil and Environmental Engineering and Earth Sciences, University of Notre Dame, Notre Dame, IN, USA.

7. Laboratoire G-Time, Université Libre de Bruxelles, Brussels, Belgium.

8. Department of Geology, KU Leuven, Leuven, Belgium.

9. Eyring Materials Center, Arizona State University, Tempe, AZ, USA.

10. Department of Lithospheric Research, University of Vienna, Vienna, Austria.

11. Institut für Geologie und Mineralogie, Universität zu Köln, Köln, Germany.

12. Atomic and Mass Spectrometry–A&MS research group, Department of Chemistry, Ghent University, Ghent, Belgium.

13. Department of Earth Sciences, Utrecht University, Utrecht, Netherlands.

14. Department of Earth and Planetary Sciences, Tokyo Institute of Technology, Tokyo, Japan.

15. Department of Earth, Ocean and Atmospheric Science and National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL, USA.

16. HNU Neu-Ulm University of Applied Sciences, Neu-Ulm, Germany.

17. Lunar and Planetary Institute–USRA, Houston, TX, USA.

18. Department of Earth Sciences, Durham University, Durham, UK.

19. Department of Geosciences, Pennsylvania State University, University Park, PA, USA.

20. Institute for Geophysics, University of Texas at Austin, Austin, TX, USA.

21. Department of Geological Sciences, University of Texas at Austin, Austin, TX, USA.

22. Center for Planetary Systems Habitability, University of Texas, Austin, TX, USA.

23. Department of Earth Science and Engineering, Imperial College London, London, UK.

24. Department of Earth Sciences, Vrije Universiteit Amsterdam, Amsterdam, Netherlands.

25. Department of Geosciences, University of Alaska Fairbanks, Fairbanks, AK, USA.

Abstract

The preservation of the iridium-rich layer within the Chicxulub crater captures the timing of the K-Pg boundary events.

Funder

National Science Foundation

Natural Environment Research Council

Research foundation - Flanders

NASA Exobiology

Belgian Federal Science Policy Office

European Research Council

Knut och Alice Wallenbergs Stiftelse

BOF-UGent

VUB Strategic program

FWO/FNRS Excellence of Science

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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