Geologic Unit: Ottosee
Ottosee Shale (TN*,GA*)
Ottosee Shale of Chickamauga Group (TN)
Ottosee Limestone (VA*)
Exposures at Ottosee Lake in Chilhowee Park, Knoxville, TN (Ulrich, 1911).
Unit Name History:
Named Ottosee shale of Blount group (Ulrich, 1911). Revised to Ottosee limestone in VA only (Butts, 1940). Extended into GA (Butts and Gildersleeve, 1948). Not used (Neuman, 1955). Removed from Blount group (Bridge, 1956). Included in Chickamauga Group in TN (Milici, 1973). Correlation information (Frey, 1995).
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Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys.
"No current usage" implies that a name has been abandoned or that it has fallen into disuse. Former usage and, if known, replacement name given in parentheses ().
Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]).
U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
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Last modified: 15-Jan-2013