Usage:
Greenland Gap Group (MD,PA,VA,WV)
Greenland Gap Formation (OH,WV)
Subunits:
GROUP STATUS (alphabetical): Foreknobs Formation, Scherr Formation.
FORMATION STATUS (alphabetical): Pound Member, Red Lick Member; informal intervals: Balltown, Bayard, Bradford, Fifth, Speechley, Warren.
Geologic age:
Late Devonian
Type section, locality, area and/or origin of name:
Type section: along WV Highway 42, 0.5 km northwest of Scherr, Grant Co., east-central WV. (Dennison, 1970)
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 ([ ]).