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Massive perturbations to atmospheric sulfur in the aftermath of the Chicxulub impact.
Junium, Christopher K; Zerkle, Aubrey L; Witts, James D; Ivany, Linda C; Yancey, Thomas E; Liu, Chengjie; Claire, Mark W.
Afiliación
  • Junium CK; Department of Earth and Environmental Sciences, Syracuse University, Syracuse, NY 13244.
  • Zerkle AL; School of Earth and Environmental Sciences, Centre for Exoplanet Science, University of St Andrews, St Andrews KY16 9AL, United Kingdom.
  • Witts JD; School of Earth Sciences, University of Bristol, Bristol BS8 1RJ, United Kingdom.
  • Ivany LC; Department of Earth and Environmental Sciences, Syracuse University, Syracuse, NY 13244.
  • Yancey TE; The College of Geosciences, Texas A&M University, College Station, TX 77483.
  • Liu C; Ellington Geological Services, Houston, TX 77043.
  • Claire MW; School of Earth and Environmental Sciences, Centre for Exoplanet Science, University of St Andrews, St Andrews KY16 9AL, United Kingdom.
Proc Natl Acad Sci U S A ; 119(14): e2119194119, 2022 04 05.
Article en En | MEDLINE | ID: mdl-35312339
SignificanceSulfur isotopes confirm a key role for atmospheric sulfur gases in climatic cooling, mass extinction, and the demise of dinosaurs and other global biota after the Chicxulub bolide impact at the Cretaceous-Paleogene boundary. The sulfur isotope anomalies are confined to beds containing ejecta and, in the immediately overlying sediments, are temporally unrelated to known episodes of volcanism that also bracket this event, further addressing the controversial role of the Deccan Traps in the extinction.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Dinosaurios / Extinción Biológica Límite: Animals Idioma: En Revista: Proc Natl Acad Sci U S A Año: 2022 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
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XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Dinosaurios / Extinción Biológica Límite: Animals Idioma: En Revista: Proc Natl Acad Sci U S A Año: 2022 Tipo del documento: Article Pais de publicación: Estados Unidos