USGS Visual Identifier
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Geologic Unit: Witten

Usage:
Witten Limestone (VA*,TN)
Witten Limestone of Black River Group (VA*,WV*).
Witten Formation of Chickamauga Group (TN)

Age:
Ordovician, Middle*
Blackriveran*

Geologic Province:
Appalachian basin*


Areal Extent:
VA*
WV*
TN

Type Locality:
Type section: along State Highway 16 about 0.25 mi north of County Road 604, Tazewell Co., VA Name derived from Witten Valley Church (Cooper and Prouty, 1943).

Unit Name History:
Named (Cooper and Prouty, 1943). Extended into TN (Prouty, 1946). Revised, included in Chickamauga Group (Ruppel and Walker, 1984). 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