cephalopod
May 22, 2004 - Cretaceous Fossils, Sumter Co, AL
Submitted by Vicki Lais on Sat, 05/22/2004 - 11:00pmAnother boat trip, this
time in Sumter
county, at a river site with huge chalk bluffs.
(The lake
level at the Demopolis Lock was 74.28 feet above sea level).
The
fossils we collected are from the marl limestone sequences in the
Arcola Limestone
Member (Late Cretaceous Campanian 83-74 mya). Last year, Dr.
September 27, 2003 - Sumter Co, AL
Submitted by Vicki Lais on Sat, 09/27/2003 - 11:00pmThis month BPS took to the
water.
There are chalk bluffs along the Tombigbee that can only be reached by
boat. Dr. Charlie Smith has done many years of research on
this
site, and provided a wonderful lecture and handouts to a group of eager
amateurs. A number of straight cephalopods, gastropods, and
even
ammonites were found. A fish jaw, with teeth, was found on