[meteorite-list] re: antarctic impact

[Paul H]

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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