USGS Visual Identifier
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Geologic Unit: Union

Usage:
Union Limestone of Greenbrier Group (WV)
Union Member of Greenbrier Limestone (WV,VA)

Age:
Mississippian, Late

Geologic Province:
Appalachian basin

Areal Extent:
WV
VA

Type Locality:
At western edge of Union, Monroe Co., WV (Reger, 1926).

Unit Name History:
Named (Reger, 1926).
Revised to Union Limestone, included in Greenbrier Group (Cardwell and others, 1968).

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