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National Geologic Map Database

Geologic Unit: Bottom Creek

Usage:

/Bottom Creek formation (informal) of Breathitt Group (KY-notable exposures in Cumberland Mtn. area)
(†Bottom Creek not used by the WV Geol. Survey; type locality in WV. Rocks incl. in New River Formation. See New River.)

Informal. The rank or lithologic term should not be capitalized. [Term "Formation" is applied to formal nomenclature (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005).]


Subunits:

/FORMATION STATUS: Dark Ridge Member (KY).


Geologic age:

Early Pennsylvanian (Bashkirian; Westphalian; Morrowan)


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

Type locality: exposures at Bottom Creek, Keystone quadrangle, WV (Chesnut, 1992).


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 ([ ]).