USGS Visual Identifier
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Geologic Unit: Leithsville

Leithsville Formation (PA*,NJ*)
Leithsville Formation of Kittatinny Supergroup (PA*,NJ*)
Leithsville Member of Kittatinny Limestone (NJ)

Cambrian, Early*
Cambrian, Middle*
Geologic Province:
Appalachian basin*
Piedmont-Blue Ridge province*
Areal Extent:

Type Locality:
Not designated. Derivation of name not stated by author, but probably named from town of Leithsville, Northampton Co., eastern PA.

Califon, Hamburg, and Wallkill Members (NJ)

Unit Name History:
Named (Wherry, 1909). Abandoned (Miller and others, 1939). Reinstated (Howell and others, 1950). Extended into NJ (Drake and others, 1961). Revised to member of Kittatinny Formation in NJ (Miller, 1974). Subdivided (Markewicz and others, 1977). Age modified (Drake, 1978). Assigned to Kittatinny Supergroup (Drake and Lyttle, 1980). Overview (Dalton, 1989).

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