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National Geologic Map Database

Geologic Unit: Oaks

Usage:

Oaks Shale Bed of Hamlin Shale Member of Janesville Shale of Admire Group (KS*,NE*)
Oaks Shale Member of Admire Formation of Vanoss Group (OK)


Geologic age:

Late Pennsylvanian (Virgilian)


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

Type locality: Oaks farm, southwest of Salem, in NE/4 sec. 9, T. 1 N., R. 15 E., Richardson Co., southeastern NE [see Wilmarth, 1938].


AAPG geologic province:

Chautauqua platform
Forest City basin*
Nemaha anticline*


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 ([ ]).