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National Geologic Map Database

Geologic Unit: Fayetteville

Usage:

Fayetteville Shale (AR*,MO*,OK*)
Fayetteville Formation (MO,OK)


Subunits:

(alphabetical): Mayes Limestone Member (OK), Wedington Sandstone Member (AR*,MO,OK*).


Geologic age:

Late Mississippian (Chesterian)*


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

Not designated. Named from occurrence in valleys about Fayetteville, Washington Co., AR (Simonds, 1891).


AAPG geologic province:

Arkoma 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 ([ ]).