U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Renault

Usage:

Renault Limestone (IL*,KY*)
Renault Formation (IL*,IN,KY*,MO)
Renault Limestone of Cedar Bluff Group (IL)
Renault Member of Paoli Limestone of Blue River Group (IN*)


Subunits:

Levias Member (IL*). Shetlerville Member (IL,KY).


Geologic age:

Middle Mississippian (Visean; early Chesterian)*


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

Named from Renault Twp., Monroe Co. southwestern IL; excellent exposures are in Horse Creek Valley and tributaries in eastern part of Twp. (Weller 1913).
Type section: lowest gully on the south side of Dry Fork, in SE/4 SW/4 sec. 23, T. 4 S., R. 9 W., Renault quadrangle, Monroe Co., IL (Swann, 1963).


AAPG geologic province:

Illinois basin*
Ozark uplift*


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 ([ ]).