Re: Fastovsky vs Archibald

[David Marjanovic <david.marjanovic@gmx.at>]

----- Original Message -----
From: "GUY LEAHY" <xrciseguy@prodigy.net>
Sent: Monday, June 20, 2005 3:16 AM

> An additional complicating factor is that there is a change in 
> depositional environments within the Hell Creek.  The lower part is 
> predominantly sandstones, with the upper part consisting primarily of 
> paleosols.

Does this mean that the lower Hell Creek Fm contains many fossils that were 
swept in from far away, while the fossils in the upper Hell Creek Fm are 
more likely all autochthonous?