USGS Visual Identifier
National Geologic Map Database logo GEOLEX database

Geologic Unit: Coffee Run

Coffee Run Member of Bellefonte Dolomite (PA)

Ordovician, Early
Geologic Province:
Appalachian basin
Areal Extent:

Type Locality:
Type section: In Coffee Run, a stream in Kishacoquillas Valley, from Bellefonte to Pleasant Gap area, Nittany Valley central PA (Swartz and others, 1955).

Unit Name History:
Named (Swartz and others, 1955). Overview (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