Usage:
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, unranked usage, the lithologic term should not be capitalized.
Geologic age:
Pennsylvanian, Middle*
Type section, locality, area and/or origin of name:
Named from exposures at Vanport, Beaver Co., western PA (US geologic names lexicons, USGS Bull. 896, 1200).
AAPG geologic province:
Appalachian basin*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).