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National Geologic Map Database

Geologic Unit: Gatesburg

Usage:

Gatesburg Formation (NY,PA*,VA*,WV*)
Gatesburg Dolomite (OH)


Subunits:

Stacy Dolomite Member (PA*), Ore Hill Limestone Member (PA*,WV*,VA*), Mines Dolomite Member (PA*,WV*,VA*).


Geologic age:

Cambrian, Late*
Ordovician, Early(?)*


Type section, locality, area and/or origin of name:

Exposures on Gatesburg Ridge, Centre Co., PA (Butts, 1918).


AAPG geologic province:

Appalachian basin*
Cincinnati arch


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).