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National Geologic Map Database

Geologic Unit: Janesville

Usage:

Janesville Shale of Admire Group (KS*,NE*,OK*)


Subunits:

(alphabetical) --all in KS*,NE*,OK*: Five Point Limestone Member, Hamlin Shale Member, West Branch Shale Member.


Geologic age:

Late Pennsylvanian (Virgilian)


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

Type section: roadcut in SW/4 SE/4 sec. 23, T. 23 S., R. 10 E., Greenwood Co., southeastern KS. Named from Janesville Twp., Greenwood Co., southeastern KS (Moore and Mudge, 1956).


AAPG geologic province:

Chautauqua platform*
Cherokee basin*
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 ([ ]).