USGS Visual Identifier
National Geologic Map Database logo GEOLEX database


Geologic Unit: St. Paul

Usage:
St. Paul Group (MD*,WV*,PA*,VA*)

Age:
Ordovician, Middle*
Chazyan, late*
Blackriveran, early*

Geologic Province:
Appalachian basin*



Areal Extent:
PA*
WV*
MD*
VA*

Type Locality:
St. Paul's church, 2.2 mi west of Clear Spring, Washington Co., MD (Neuman, 1951).

Subunits:
Subdivisions: New Market Limestone (MD*,WV*,PA*,VA*). Row Park Limestone (MD*,WV*,PA*)

Unit Name History:
Named (Neuman, 1951). Overview (Edwards, 1978). Overview (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