[meteorite-list] Crater maker

[Darren Garrison]

On Sun, 20 Mar 2005 18:28:35 -0800, Michael L Blood <mlblood at cox.net> wrote:


>angle of trajectory, etc. In addition, the K-T event
>produced a crater (as indicated by hypercompacted
>quartz) with a diameter of 500 miles - but the impactor
>is estimated at "only" 6 miles in diameter - the ol' 10
>to one ratio implies there should have "only" been a crater
>60 miles in diameter.

Do you have any references that you can point to with the 500 mile diameter number?  I've never seen
an estimate that high before.  See this page at NASA (with a familiar name at the bottom)

http://neo.jpl.nasa.gov/images/yucatan.html