Geologic Unit: Gatesburg
Gatesburg Formation (PA*,WV*,VA*,NY)
Gatesburg Dolomite (OH)
Exposures on Gatesburg Ridge, Centre Co., PA (Butts, 1918).
Stacy Dolomite Member (PA*), Ore Hill Limestone Member (PA*,WV*,VA*), Mines Dolomite Member (PA*,WV*,VA*).
Unit Name History:
Named (Butts, 1918).
Revised and age modified (Wilson, 1952).
Extended into OH (Calvert, 1964).
Extended into NY (Wagner, 1976).
Assigned as member to Conococheague (Pierce, 1966).
Revised; Areal limits (Ryder, 1992a; 1992b).
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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