USGS Visual Identifier
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Geologic Unit: Valley View

Valley View Member of Benner Formation (PA)
Valley View Member of Curtin Limestone (PA)
Valley View Member of Linden Hall Formation (PA)

Ordovician, Middle
Geologic Province:
Appalachian basin
Areal Extent:

Type Locality:
In quarry wall south of headframe of Bell mine of American Lime and Stone Company at Bellfonte, Centre Co., PA. Unit named from hamlet 2 miles southwest of Bell mine (Kay, 1943).

Unit Name History:
Named (Kay, 1943).
Revised to member of Linden Hall Formation (Rones, 1969).
Revised to member of Benner Formation (Berg and others, 1980).

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