Geologic Unit: Eutaw
Eutaw Formation (AL*,GA*,TN*,MS*,FL)
Eutaw Formation of Selma Group (AL)
Eutaw Group (MS)
Named from Eutaw, Greene Co., west-central AL (Hilgard, 1860).
Tombigbee Sand Member (MS*,GA*,AL*,TN*) of Eutaw Formation; McShan Formation (MS) of Eutaw Group
Unit Name History:
Named Eutaw group (Hilgard, 1860).
Overview of early usage (Wilmarth, 1938).
Overview (Stephenson and Monroe, 1938).
Revised (Cooke, 1943; Conant and Monroe, 1945).
MS Geol. Survey usage (Belt and others, 1945).
Overview in GA (Eargle, 1955).
Assigned to Selma Group in AL (Reade and Scott, 1948).
Overview in MS (Parks, 1960.)
Age modified (Dowsett, 1989).
Overview in MS (Russell and Keady, 1990).
Overview in AL (Cook, 1993).
Biostratigraphic dating (Puckett, 1994).
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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
Database project personnel
Last modified: 15-Jan-2013