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National Geologic Map Database

Geologic Unit: Ardmore

Usage:

Ardmore Limestone Member of Swede Hollow Formation of Cherokee Group (IA)
Ardmore Limestone Member of Verdigris Formation of /Cabaniss subgroup [informal] of Cherokee Group (MO)

["Subgroup" not recognized as a formal stratigraphic rank term (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). Cabaniss subgroup considered informal and should not be capitalized.]


Geologic age:

Middle Pennsylvanian (Desmoinesian)


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

Named from Ardmore, Macon Co., north-central MO (Gordon, 1893).


AAPG geologic province:

Lincoln anticline
Forest City basin
Cherokee basin
Iowa shelf


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 ([ ]).