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Very high-temperature impact melt products as evidence for cosmic airbursts and impacts 12,900 years ago.
Bunch TE, Hermes RE, Moore AM, Kennett DJ, Weaver JC, Wittke JH, DeCarli PS, Bischoff JL, Hillman GC, Howard GA, Kimbel DR, Kletetschka G, Lipo CP, Sakai S, Revay Z, West A, Firestone RB, Kennett JP. Bunch TE, et al. Among authors: revay z. Proc Natl Acad Sci U S A. 2012 Jul 10;109(28):E1903-12. doi: 10.1073/pnas.1204453109. Epub 2012 Jun 18. Proc Natl Acad Sci U S A. 2012. PMID: 22711809 Free PMC article.
Evidence for deposition of 10 million tonnes of impact spherules across four continents 12,800 y ago.
Wittke JH, Weaver JC, Bunch TE, Kennett JP, Kennett DJ, Moore AM, Hillman GC, Tankersley KB, Goodyear AC, Moore CR, Daniel IR Jr, Ray JH, Lopinot NH, Ferraro D, Israde-Alcántara I, Bischoff JL, DeCarli PS, Hermes RE, Kloosterman JB, Revay Z, Howard GA, Kimbel DR, Kletetschka G, Nabelek L, Lipo CP, Sakai S, West A, Firestone RB. Wittke JH, et al. Among authors: revay z. Proc Natl Acad Sci U S A. 2013 Jun 4;110(23):E2088-97. doi: 10.1073/pnas.1301760110. Epub 2013 May 20. Proc Natl Acad Sci U S A. 2013. PMID: 23690611 Free PMC article.