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Fossils In Limestone
© 2009 Daniel W. Reed
The Lebanon Limestone that underlies the Cedar Glades of Tennessee is composed almost entirely of creatures that lived in a shallow sea more than 400 million years ago during the Ordovician Period. At one time this layer was covered by hundreds of feet of other sediments which has since eroded away leaving this layer of flat rock exposed.
Fossils, Ordovician Period,490 to 443 Million Years Ago()
Shooting Location: Vista Cedar Glade Natural Area, Wilson Co. Tennessee
Canon Digital Rebel XT / 350D Camera, Canon EF180mm F/3.5L Macro USM Lens, 1/30 Sec., f/16.0, ISO=100