USGS Visual Identifier
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Geologic Unit: Pumpkin Valley

Usage:
Pumpkin Valley Shale (VA*)
Pumpkin Valley Shale of the Conasauga Group (TN*,VA*,WV*)
Pumpkin Valley Member of the Conasauga Shale (TN*)

Age:
Cambrian, Middle*


Geologic Province:
Appalachian basin*


Areal Extent:
WV*
VA*
TN*

Type Locality:
Exposures along northwest side of Pumpkin Valley, most typically along State Highway 66, TN (Rodgers and Kent, 1948).

Unit Name History:
First used (Bridge, 1945). Named (Rodgers and Kent, 1948). 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