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National Geologic Map Database

Geologic Unit: Cliffield

Usage:

No current usage.
(†Cliffield Formation (TN,VA) or †Cliffield Group (TN,VA) considered obsolete.)


Geologic age:

late Middle and/or Late Ordovician (Chazyan to Turinian)


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

Type section: along Pounding Mill Brook and U.S. Highway 19, south of the Norfolk and Western RR underpass. Named from Cliffield store and station, about 8 mi southwest of Tazewell, Tazewell Co., southwestern VA (Cooper and Prouty, 1943).


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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).