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National Geologic Map Database

Geologic Unit: Lake Ardmore

Usage:

Lake Ardmore Sandstone Member of Springer Formation of Noble Ranch Group (OK)
Lake Ardmore Sandstone of Springer Group (OK*-recognized locally in southern Arbuckle Mountains)


Subunits:

MEMBER STATUS: Target Limestone Lentil (OK).


Geologic age:

Early Pennsylvanian (Bashkirian; Namurian; Morrowan)*


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

Type locality (formation status): in NW/4 SW/4 sec. 4, T. 3 S., R. 2 E., Carter Co., central southern OK (Tomlinson and McBee, 1959).
Named from sportsman's lake, Lake Ardmore, in sec. 2, T. 4 S., R. 1 E., Carter Co., central southern OK (Tomlinson, 1929).


AAPG geologic province:

South Oklahoma folded belt*


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 ([ ]).