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The Chicxulub Asteroid Impact and Mass Extinction at the Cretaceous-Paleogene Boundary

Schulte, Peter; Alegret, Laia; Arenillas, Ignacio; Arz, Jose A.; Barton, Penny J.; Bown, Paul R.; Bralower, Timothy J.; Christeson, Gail L.; Claeys, Philippe and Cockell, Charles S., et al. (2010) In Science 327(5970). p.1214-1218
Abstract
The Cretaceous-Paleogene boundary similar to 65.5 million years ago marks one of the three largest mass extinctions in the past 500 million years. The extinction event coincided with a large asteroid impact at Chicxulub, Mexico, and occurred within the time of Deccan flood basalt volcanism in India. Here, we synthesize records of the global stratigraphy across this boundary to assess the proposed causes of the mass extinction. Notably, a single ejecta-rich deposit compositionally linked to the Chicxulub impact is globally distributed at the Cretaceous-Paleogene boundary. The temporal match between the ejecta layer and the onset of the extinctions and the agreement of ecological patterns in the fossil record with modeled environmental... (More)
The Cretaceous-Paleogene boundary similar to 65.5 million years ago marks one of the three largest mass extinctions in the past 500 million years. The extinction event coincided with a large asteroid impact at Chicxulub, Mexico, and occurred within the time of Deccan flood basalt volcanism in India. Here, we synthesize records of the global stratigraphy across this boundary to assess the proposed causes of the mass extinction. Notably, a single ejecta-rich deposit compositionally linked to the Chicxulub impact is globally distributed at the Cretaceous-Paleogene boundary. The temporal match between the ejecta layer and the onset of the extinctions and the agreement of ecological patterns in the fossil record with modeled environmental perturbations (for example, darkness and cooling) lead us to conclude that the Chicxulub impact triggered the mass extinction. (Less)
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publication status
published
subject
in
Science
volume
327
issue
5970
pages
1214 - 1218
publisher
The American Association for the Advancement of Science
external identifiers
  • wos:000275162100028
  • scopus:77749279680
ISSN
1095-9203
DOI
10.1126/science.1177265
language
English
LU publication?
yes
id
6c20a4b4-0945-4170-bb44-1497aeb196c3 (old id 1589289)
date added to LUP
2010-04-20 13:01:56
date last changed
2018-07-22 03:41:15
@article{6c20a4b4-0945-4170-bb44-1497aeb196c3,
  abstract     = {The Cretaceous-Paleogene boundary similar to 65.5 million years ago marks one of the three largest mass extinctions in the past 500 million years. The extinction event coincided with a large asteroid impact at Chicxulub, Mexico, and occurred within the time of Deccan flood basalt volcanism in India. Here, we synthesize records of the global stratigraphy across this boundary to assess the proposed causes of the mass extinction. Notably, a single ejecta-rich deposit compositionally linked to the Chicxulub impact is globally distributed at the Cretaceous-Paleogene boundary. The temporal match between the ejecta layer and the onset of the extinctions and the agreement of ecological patterns in the fossil record with modeled environmental perturbations (for example, darkness and cooling) lead us to conclude that the Chicxulub impact triggered the mass extinction.},
  author       = {Schulte, Peter and Alegret, Laia and Arenillas, Ignacio and Arz, Jose A. and Barton, Penny J. and Bown, Paul R. and Bralower, Timothy J. and Christeson, Gail L. and Claeys, Philippe and Cockell, Charles S. and Collins, Gareth S. and Deutsch, Alexander and Goldin, Tamara J. and Goto, Kazuhisa and Grajales-Nishimura, Jose M. and Grieve, Richard A. F. and Gulick, Sean P. S. and Johnson, Kirk R. and Kiessling, Wolfgang and Koeberl, Christian and Kring, David A. and MacLeod, Kenneth G. and Matsui, Takafumi and Melosh, Jay and Montanari, Alessandro and Morgan, Joanna V. and Neal, Clive R. and Nichols, Douglas J. and Norris, Richard D. and Pierazzo, Elisabetta and Ravizza, Greg and Rebolledo-Vieyra, Mario and Reimold, Wolf Uwe and Robin, Eric and Salge, Tobias and Speijer, Robert P. and Sweet, Arthur R. and Urrutia-Fucugauchi, Jaime and Vajda, Vivi and Whalen, Michael T. and Willumsen, Pi},
  issn         = {1095-9203},
  language     = {eng},
  number       = {5970},
  pages        = {1214--1218},
  publisher    = {The American Association for the Advancement of Science},
  series       = {Science},
  title        = {The Chicxulub Asteroid Impact and Mass Extinction at the Cretaceous-Paleogene Boundary},
  url          = {http://dx.doi.org/10.1126/science.1177265},
  volume       = {327},
  year         = {2010},
}