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National Geologic Map Database

Geologic Unit: Foreknobs

Usage:

Foreknobs Formation (PA*,VA*,WV*)
Foreknobs Formation of Greenland Gap Group (MD,PA,VA,WV)


Subunits:

(ascending) Mallow Member, Briery Gap Sandstone Member, Blizzard Member, Pound Sandstone Member, and Red Lick Member (all MD,VA,WV,PA)


Geologic age:

Late Devonian*


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

Type section: along WV Highway 42, measured section 1, 0.48 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 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 ([ ]).