Mallow Member of Foreknobs Formation (MD,PA,VA,WV)
Late Devonian
Type section: along road beside Briery Gap Run near Judy Gap, leading from U.S. Highway 33 to Spruce Knob, Pendleton Co., east-central WV (Dennison, 1970).
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 ([ ]).