Very high-temperature impact melt products as evidence for cosmic airbursts and impacts 12,900 years ago

It has been proposed that fragments of an asteroid or comet impacted Earth, deposited silica-and iron-rich microspherules and other proxies across several continents, and triggered the Younger Dryas cooling episode 12,900 years ago. Although many independent groups have confirmed the impact evidence...

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Autores principales: Bunch, Ted E., Hermes, Robert E., Moore, Andrew M.T., Kennett, Douglas J., Weaver, James C., Wittke, James H., DeCarli, Paul S., Bischoff, James L., Hillman, Gordon C., Howard, George A., Kimbel, David R., Kletetschka, Gunther, Lipo, Carl P., Sakai, Sachiko, Revay, Zsolt, West, Allen, Firestone, Richard B., Kennett, James P.
Formato: Artigo
Lenguaje:Inglês
Publicado: National Academy of Sciences 2012
Materias:
PNAS Plus
Acceso en línea:https://ncbi.nlm.nih.gov/pmc/articles/PMC3396500/
https://ncbi.nlm.nih.gov/pubmed/22711809
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.1204453109
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