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Re: Bones and Stomach acid
How is the freeze-thaw cycle ruled out to diagnose this kind of
On 8/19/2010 6:52 PM, Phillip Bigelow wrote:
When finding teeth lacking enamel, it is important that exfoliation of the
enamel due to freeze-thaw cycles (created while the bone was laying on the
surface of the ground), be first ruled out. Freeze-thaw cycles do an excellent
job of removing tooth enamel from the dentine of a fossil, and many an
exfoliated tooth has been mis-identified as a tooth that passed through a
critter's digestive tract.
---------- Original Message ----------
From: Patty Ralrick<firstname.lastname@example.org>
To: Dinosaur Mailing List<email@example.com>
Subject: RE: Bones and Stomach acid
Date: Wed, 18 Aug 2010 09:53:17 -0600
Check out this citation for more info. It's a pretty cool paper.
Fisher, D.C. 1981. Crocodilian scatology, microvertebrate concentrations and
enamel-less teeth. Paleobiology 7(2):262-275.
Sorry if someone else has already posted this. I get the mailing list as a
digest once a day and am sometimes a bit behind the times. : )
PhD Student, Biological Sciences
University of Calgary
Calgary, AB, Canada
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