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National Geologic Map Database

Geologic Unit: Blizzard

Usage:

Blizzard Member of Foreknobs Formation (MD,PA,VA,WV)


Geologic age:

Late Devonian


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

Type section: beside Briery Gap Run near Judy Gap, along road from U.S. Highway 33 toward Spruce Knob, Pendleton 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 ([ ]).