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

作者: Peter Schulte , Laia Alegret , Ignacio Arenillas , José A Arz , Penny J Barton

DOI: 10.1126/SCIENCE.1177265

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摘要: The Cretaceous-Paleogene boundary similar to 65.5 million years ago marks one of the three largest mass extinctions in past 500 years. extinction event coincided with a large asteroid impact at Chicxulub, Mexico, and occurred within time Deccan flood basalt volcanism India. Here, we synthesize records global stratigraphy across this assess proposed causes extinction. Notably, single ejecta-rich deposit compositionally linked Chicxulub is globally distributed boundary. temporal match between ejecta layer onset agreement ecological patterns fossil record modeled environmental perturbations (for example, darkness cooling) lead us conclude that triggered

参考文章(58)
Eustoquio Molina, Laia Alegret, Ignacio Arenillas, José A. Arz, Njoud Gallala, Jan Hardenbol, Katharina von Salis, Etienne Steurbaut, Noël Vandenberghe, Dalila Zaghbib-Turki, The Global Boundary Stratotype Section and Point for the base of the Danian Stage (Paleocene, Paleogene, "Tertiary", Cenozoic) at El Kef, Tunisia - Original definition and revision Episodes. ,vol. 29, pp. 263- 273 ,(2006) , 10.18814/EPIIUGS/2006/V29I4/004
B. A. Ivanov, Numerical Modeling of the Largest Terrestrial Meteorite Craters Solar System Research. ,vol. 39, pp. 381- 409 ,(2005) , 10.1007/S11208-005-0051-0
Nicole Robinson, Greg Ravizza, Rodolfo Coccioni, Bernhard Peucker-Ehrenbrink, Richard Norris, A high-resolution marine 187Os/188Os record for the late Maastrichtian: Distinguishing the chemical fingerprints of Deccan volcanism and the KP impact event Earth and Planetary Science Letters. ,vol. 281, pp. 159- 168 ,(2009) , 10.1016/J.EPSL.2009.02.019
Kirk R. Johnson, Douglas J. Nichols, Plants and the K-T Boundary ,(2008)
J. Smit, J. Hertogen, An extraterrestrial event at the Cretaceous–Tertiary boundary Nature. ,vol. 285, pp. 198- 200 ,(1980) , 10.1038/285198A0
Peter Wilf, Kirk R Johnson, Brian T Huber, None, Correlated terrestrial and marine evidence for global climate changes before mass extinction at the Cretaceous-Paleogene boundary. Proceedings of the National Academy of Sciences of the United States of America. ,vol. 100, pp. 599- 604 ,(2003) , 10.1073/PNAS.0234701100
G. Keller, W. Stinnesbeck, T. Adatte, D. Stüben, Multiple impacts across the Cretaceous–Tertiary boundary Earth-Science Reviews. ,vol. 62, pp. 327- 363 ,(2003) , 10.1016/S0012-8252(02)00162-9
J MORGAN, C LANA, A KEARSLEY, B COLES, C BELCHER, S MONTANARI, E DIAZMARTINEZ, A BARBOSA, V NEUMANN, Analyses of shocked quartz at the global K-P boundary indicate an origin from a single, high-angle, oblique impact at Chicxulub Earth and Planetary Science Letters. ,vol. 251, pp. 264- 279 ,(2006) , 10.1016/J.EPSL.2006.09.009
Blanca Bauluz, Donald R Peacor, W.Crawford Elliott, Coexisting altered glass and Fe^Ni oxides at the Cretaceous^Tertiary boundary, Stevns Klint (Denmark): direct evidence of meteorite impact Earth and Planetary Science Letters. ,vol. 182, pp. 127- 136 ,(2000) , 10.1016/S0012-821X(00)00245-4