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Re: Chesapeake Crater

GS Paul wrote:

>In the Jan 98 Discover, p 80, there was an article about the possibility that
>the Chesapeake and Siberian Popigai craters were formed at the same time some
>35 Myr ago. It attributed the claim to a Canadian-Russian team in July, but no
>further reference was given. Anyone have a citation?

Bottomley-Richard; Grieve-Richard; York-Derek; Masaitis-Victor. (1997) The
age of the Popigai impact event and its relation to events at the Eocene/
Oligocene boundary. Nature (London). 388; 6640, Pages 365-368.


cnedin@geology.adelaide.edu.au                  nedin@ediacara.org
Many say it was a mistake to come down from the trees, some say
the move out of the oceans was a bad idea. Me, I say the stiffening
of the notochord in the Cambrian was where it all went wrong.
It was all downhill from there.