Absence of geochemical evidence for an impact event at the Bølling–Allerød/Younger Dryas transition

High concentrations of iridium have been reported in terrestrial sediments dated at 12.9 ka and are interpreted to support an extraterrestrial impact event as the cause of the observed extinction in the Rancholabrean fauna, changes in the Paleoindian cultures, and the onset of the Younger Dryas cool...

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Detalhes bibliográficos
Principais autores: Paquay, François S., Goderis, Steven, Ravizza, Greg, Vanhaeck, Frank, Boyd, Matthew, Surovell, Todd A., Holliday, Vance T., Haynes, C. Vance, Claeys, Philippe
Formato: Artigo
Idioma:Inglês
Publicado em: National Academy of Sciences 2009
Assuntos:
Physical Sciences
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC2799824/
https://ncbi.nlm.nih.gov/pubmed/20007789
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.0908874106
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