Why so? Why not run an impact calculator to see how small an impactor would
penetrate the Ice Sheet?
JimC
----- Original Message -----
From: "Tommy Tyrberg" <tommy.tyrberg@norrkoping.mail.telia.com>
To: <4mjmu@rogers.com>; "'Dinosaur@usc.edu'" <dinosaur@usc.edu>
Sent: Sunday, January 04, 2009 1:42 PM
Subject: SV: ..not dinosaurs, but comets ...
A much better way to explain the absence of a crater would be to
postulate an inpact on top of the Laurentide Ice Sheet. You could
probably explain away a fairly large crater that way.