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- Title
An Inquiry into the Stratigraphic Occurrence of a Claibornian (Eocene) Vertebrate Fauna from Covington County, Alabama.
- Authors
CLAYTON, ANGELA A.; CIAMPAGLIO, CHUCK N. CIAMPAGLIO; CICIMURRI, DAVID J.
- Abstract
A fossil-rich deposit occurring within Eocene strata is exposed along a roughly 600 meter-long section of the Conecuh River (at low water level) near the Point "A" Dam, north of River Falls in Covington County, Alabama. The deposit consists of bluish-green unconsolidated, poorly sorted, glauconitic quartz sand, and it contains abundant teeth and bones of elasmobranch, osteichthyan, and reptile taxa. The fossiliferous deposit is believed to have accumulated in a low energy coastal environment related to a third-order transgressive cycle. We propose that the disconformable contact between the fossiliferous deposit and an underlying burrowed siltstone is a sequence boundary, and that this disconformity represents the contact between the Tallahatta Formation and overlying Lisbon Formation. The fossiliferous deposit therefore constitutes the base of the Lisbon Formation.
- Subjects
EOCENE paleontology; FOSSILS; NATURAL history; CHONDRICHTHYES; ELASMOBRANCH fisheries
- Publication
Bulletin of the Alabama Museum of Natural History, 2013, Vol 31, Issue 2, p60
- ISSN
0196-1039
- Publication type
Article