Organic matter from the Chicxulub crater exacerbated the K-Pg impact winter

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Organic matter from the Chicxulub crater exacerbated the K-Pg impact winter

An asteroid impact in the Yucatán Peninsula set off a sequence of events that led to the Cretaceous-Paleogene (K-Pg) mass extinction of 76% species, including the nonavian dinosaurs. The impact hit a carbonate platform and released sulfate aerosols and dust into Earth's upper atmosphere, which...

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Bibliographic Details
Main Authors:	Lyons, S.L., Karp, A.T., Bralower, T.J., Grice, Kliti, Schaefer, Bettina, Gulick, S.P.S., Morgan, J.V., Freeman, K.H.
Format:	Journal Article
Language:	English
Published:	NATL ACAD SCIENCES 2020
Subjects:	Science & Technology Multidisciplinary Sciences Science & Technology - Other Topics Chicxulub impact crater Cretaceous-Paleogene polycyclic aromatic hydrocarbons impact winter wildfires POLYCYCLIC AROMATIC-HYDROCARBONS CRETACEOUS-TERTIARY BOUNDARY ASTEROID IMPACT CLIMATE-CHANGE PALEOGENE BOUNDARY THERMAL-RADIATION GLOBAL WILDFIRES EXTINCTION SOOT SEDIMENTS
Online Access:	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7568312/ http://hdl.handle.net/20.500.11937/90120

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