[meteorite-list] re: antarctic impact
From: Paul H <bristolia_at_meteoritecentral.com>
Date: Fri Aug 20 13:56:15 2004 Message-ID: <20040820175557.77923.qmail_at_web50606.mail.yahoo.com> Marco Langbroek wrote: >If these craters indeed are impact craters and >0.8 Ma old, that's interesting. Even without >this new findings there's evidence for multiple >cratering events around 0.8 Ma. Apart from the >australasian tektites, there's Darwin crater, >and there are the Tikal tektites from meso-America. The Tikal tektites are indeed interesting as they have been dated at 800,000+/-100,000 and overlap in composition with Australasian tektites. It does get more and more curious. Tikal tektite references Nagy, H. M.,2002, Tikal Report 27B: The Artifacts of Tikal : Utilitarian Artifacts and Unworked Material, University of Pennsylvania Museum Publication, Philadelphia, Pennsylvania Hildebrand, A. R., Moholy-Nagy, H., Koeberl, C., May, L., and others, 1994, Tektites found in the ruins of the Maya city of Tikal, Guatemala. Lunar and Planetary Science, vol. 77, pp. 213-219. Yours, Paul Baton Rouge, LA __________________________________ Do you Yahoo!? New and Improved Yahoo! Mail - 100MB free storage! http://promotions.yahoo.com/new_mail Received on Fri 20 Aug 2004 01:55:57 PM PDT |
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