Re: extinction

["Dewey M. McLean" <dmclean@vt.edu>]

Response to James Cunninghams's post of Fri, 16 Jan 2004 14:55:14.


Dear Phil and Jim: Are you aware of the Early Tertiary marine transgression?

For Jim: Can you please provide hard evidences from the K-T 
geobiological record of major catastrophic flooding?

Re a K-T lag deposit, have you ever studied the geological record of 
deep-sea hiatuses? If so, can you please cite some references?

Cheers,
Dewey McLean

--------------------------------------------

Phil Bigelow wrote:

>  To claim that the K-T boundary clay is everywhere a lag deposit is
>  analogous to claiming that there was a world-wide catastrophic flood.
>  (and we don't want to go there).


Why not go there?.  Major catastrophic flooding (though not as a single
event) could be expected to continue for quite some time after the
event.  Note that I'm not implying that the boundary clay is everywehre
a lag deposit; I'm adressing a somewhat different issue.