[meteorite-list] Odessa Crater (Texas) Determined to be About 63, 500 Years Old
From: Paul <bristolia_at_meteoritecentral.com>
Date: Sat Nov 26 10:37:31 2005 Message-ID: <20051126153728.2656.qmail_at_web36201.mail.mud.yahoo.com> In December 2005 issue of ?Geology? the below article about the Odessa Crater in Texas has been published. Holliday, Vance T., Kring, David A., Mayer, James H., and Goble, Ronald J., 2005, Age and effects of the Odessa meteorite impact, western Texas, USA., Geology. vol. 33, no. 12, pp. 945?948. This article noted that optically stimulated luminescence dates of sediments filling it demonstrate that this crater was created about 63,500, plus or minus 4,500, thousand years ago. Its full abstract can be found at: http://www.gsajournals.org/gsaonline/?request=get-current-toc&issn=0091-7613 The same issue of Geology also has the following articles: Collins, Gareth S., and Wunnemann, Kia, 2005, How big was the Chesapeake Bay impact? Insight from numerical modeling. Geology. vol. 33, no. 12, pp. 925?928. They concluded that the original transient crater was only 40 km in diameter. The full abstract can be found at: http://www.gsajournals.org/gsaonline/?request=get-abstract&doi=10.1130%2FG21854.1 and Sephton, Mark A., Looy, Cindy V., Brinkhuis, H., Wignall, Paul B., de Leeuw, Jan W., and Visscher, Henk, 2005, Catastrophic soil erosion during the end-Permian biotic crisis. Geology. vol. 33, no. 12, pp. 941-944. Its abstract can be found at: http://www.gsajournals.org/gsaonline/?request=get-abstract&doi=10.1130%2FG21784.1 Best Regards, Paul __________________________________ Yahoo! Music Unlimited Access over 1 million songs. Try it free. http://music.yahoo.com/unlimited/ Received on Sat 26 Nov 2005 10:37:28 AM PST |
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