USGS Visual Identifier
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Geologic Unit: Alderson

Alderson Limestone of Greenbrier Group (WV)
Alderson Member of Greenbrier Limestone (VA)

Mississippian, Late
Geologic Province:
Appalachian basin

Areal Extent:

Type Locality:
On road toward Wolf Creek, 1/3 mi south of Alderson, Monroe Co., south-central WV. (Reger, 1926)

Unit Name History:
Named Alderson limestone member (Reger, 1926).
Revised to Alderson Limestone (Cardwell and others, 1968).

Note: If you need more information, please contact Nancy Stamm (
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