Vanport Limestone of Allegheny Group (PA*)
Vanport Limestone Member (after Phalen, 1912) of Breathitt Formation (KY*)
Vanport limestone (informal, unranked) in Allegheny Formation (OH,WV)
For informal usage, the rank or lithologic term should not be capitalized.
Named from exposures at Vanport, Beaver Co., western PA (US geologic names lexicons, USGS Bull. 896, 1200).
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 ([ ]).