Belpre Ash Bed (KY*,OH*,PA*,TN*,VA*,WV*)
Belpre Ash (VA)
Late Devonian*
Type section (subsurface): depth 3,874 ft (1,182 m), Lamp 1 well, Lot 66, Belpre Twp., Washington Co., OH (Collins, 1979).
Appalachian basin*
Illinois 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 ([ ]).