Re: Dinosaur National Monument

[Mark Hallett <marksabercat@yahoo.com>]

Your welcome Tom. Looks like I was wrong about the gallery forest.  --Mark


--- On Sat, 11/29/08, Tom Johnson <tdjohnson51@msn.com> wrote:

> From: Tom Johnson <tdjohnson51@msn.com>
> Subject: Re: Dinosaur National Monument
> To: danchure@easilink.com, marksabercat@yahoo.com
> Cc: dinosaur@usc.edu
> Date: Saturday, November 29, 2008, 3:16 PM
> Dan and Mark:
> Thank you for your kind and informative responses!
> Tom Johnson, Loveland, Colorado
> 
> 
> 
> 
> 
> 
> From:  Dan Chure <danchure@easilink.com>
> To:  marksabercat@yahoo.com
> CC:  Tom Johnson <tdjohnson51@msn.com>,
> dinosaur@usc.edu
> Subject:  Re: Dinosaur National Monument
> Date:  Sat, 29 Nov 2008 16:06:44 -0700
> >Work by USGS geologists Pete Petersen and Christine
> Turner in the 
> >late 1990s determined that the bones in the Carnegie
> Quarry were 
> >deposited on the channel floor in the deepest part of
> the channel 
> >and not on a point bar.  Preliminary papers on the
> palynology by 
> >USGS paleontologist Ron Litwin claim some 250 species
> of plants are 
> >present in the Morrison, although that is for the
> entire formation 
> >and not DNM.  All pollen sites are dominated by fern
> spores, 
> >regardless of the geographic or 
> stratigraphic location of the 
> >sample. A gallery forest seems reasonable in or near
> the Carnegie 
> >Quarry as there are coalified logs, branches, and lots
> of coalified 
> >plant fragments in the present quarry face. The
> phenomenal abundance 
> >of unionoid clams in the quarry indicates that it was a
> perennial 
> >river and with low suspended sediment load most of the
> year.
> >
> >Dan
> >
> >Mark Hallett wrote:
> >>Hi Tom, Thanks so much for the comment on my art,
> which at the time 
> >>I did it for the National Park Service's Guide
> to the Dinosaur 
> >>National Monument (1978) was the most current idea
> of what the DNM 
> >>area looked like; several years ago I believe there
> were some 
> >>stratographic and palynological studies that show a
> different 
> >>interpretation (possibly more semiarid, and less 
> tropical-looking 
> >>"gallery forest", that may have been done
> by Forster or someone 
> >>else. The original art was never produced a a
> poster, but I'd sure 
> >>be interested in creating a newer and more accurate
> version if 
> >>someone (or institution) wanted to do this.
> I'll be happy to send 
> >>you digitals of the dino work I offer for sale, and
> if you're 
> >>interested just let me know. Happy Holidays, Mark
> >>
> >>
> >>--- On Thu, 11/27/08, Tom Johnson
> <tdjohnson51@msn.com> wrote:
> >>
> >>
> >>>From: Tom Johnson <tdjohnson51@msn.com>
> >>>Subject: Dinosaur National Monument
> >>>To: marksabercat@yahoo.com
> >>>Cc: tdjohnson51@msn.com
> >>>Date: Thursday, November 27, 2008, 10:27 AM
> >>>Mark, Happy 
> Thanksgiving!
> >>>  There is a wonderful painting you did of a
> panoramic view
> >>>of the Jurassic landscape around Dinosaur
> National Monument,
> >>>which I have only seen in Dinosaurs Past &
> Present.  I'd
> >>>love to find this in the form of a print or
> poster, but have
> >>>been unable to locate it on the web.  Where
> would I look to
> >>>find reproductions of your work?
> >>>  Best wishes,
> >>>  Tom Johnson
> >>>Loveland, Colorado
> >>>
> >>
> >>
> >>       
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> >>
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> >>
> >>
> >