[meteorite-list] re: antarctic impact

From: Paul H <bristolia_at_meteoritecentral.com>
Date: Fri Aug 20 13:56:18 2004
Message-ID: <20040820175606.70873.qmail_at_web50602.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




                
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Received on Fri 20 Aug 2004 01:56:06 PM PDT