USGS Visual Identifier
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Geologic Unit: Waynesboro

Waynesboro Formation (PA*,MD*,WV*,VA*)

Cambrian, Early*
Cambrian, Middle*

Geologic Province:
Appalachian basin*

Areal Extent:

Type Locality:
Outcrops in ridge just north of Waynesboro, Franklin Co., PA (Stose, 1906).
Reference sections: (1) (Buchanan section) along northeast side of CSX right-of-way, southeast of site of old depot, located beneath U.S. Highway 11 overpass into town of Buchanan; (2) (Arcadia Bridge section) along southwest side of CSX right-of-way near County Road 614 bridge across James River; (3) (Indian Rock section) along both sides of the CSX right-of-way, southeast of site of Indian Rock (Hayes, 1991).

Red Run, Cavetown, and Chewsville Members (MD,WV,PA)

Unit Name History:
Named (Stose, 1906).
Age modified to Early and Middle Cambrian (Stose and Bascom, 1929).
Age modified to Early Cambrian (Butts, 1945).
Extended into WV (Woodward, 1949).
Extended into VA (King, 1950).
Extended into MD (Cloos, 1951).
Age modified to Early and Middle Cambrian (Cardwell and others, 1968).
Reference section (Haynes, 1991).
Revised, divided into members (Brezinski, 1992).

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