USGS Visual Identifier
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Geologic Unit: Rogersville

Usage:
Rogersville Shale of Conasauga Group (TN*,VA*,GA* AL*,WV*)

Age:
Cambrian, Middle*




Geologic Province:
Appalachian basin*




Areal Extent:
WV*
AL*
GA*
VA*
TN*

Type Locality:
Exposures at and near Rogersville, Hawkins Co., TN (Keith, 1896).

Subunits:
Craig Limestone Member (TN*)

Unit Name History:
Named (Keith, 1896).
Revised to include Craig Limestone Member (Rodgers, 1943).
Included in Conasauga Group (Rodgers, 1953).
Areal limits (Higgins and others, 1988).
Revised; Areal limits (Ryder, 1992).

Note: If you need more information, please contact Nancy Stamm (nstamm@usgs.gov).
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
URL http://ngmdb.usgs.gov/ngmdb/ngm_catalog.ora.html
Database project personnel
Last modified: 15-Jan-2013