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Evidence of Cosmic Impact at Abu Hureyra, Syria at the Younger Dryas Onset (~12.8 ka): High-temperature melting at >2200 °C

At Abu Hureyra (AH), Syria, the 12,800-year-old Younger Dryas boundary layer (YDB) contains peak abundances in meltglass, nanodiamonds, microspherules, and charcoal. AH meltglass comprises 1.6 wt.% of bulk sediment, and crossed polarizers indicate that the meltglass is isotropic. High YDB concentrat...

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Detalles Bibliográficos
Autores principales: Moore, Andrew M. T., Kennett, James P., Napier, William M., Bunch, Ted E., Weaver, James C., LeCompte, Malcolm, Adedeji, A. Victor, Hackley, Paul, Kletetschka, Gunther, Hermes, Robert E., Wittke, James H., Razink, Joshua J., Gaultois, Michael W., West, Allen
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7060197/
https://www.ncbi.nlm.nih.gov/pubmed/32144395
http://dx.doi.org/10.1038/s41598-020-60867-w