Usage:
Ste. Genevieve Limestone (GA*,IL*,IN*,IA*,KS*,KY*,MO*,OK*,TN*,VA, and CO*-subsurface)
Ste. Genevieve Formation (MO,TX?)
Ste. Genevieve Formation of Blue River Group (IN)
Ste. Genevieve Limestone of Blue River Group (IN*)
Ste. Genevieve Limestone of Mammoth Cave Group (IL)
Ste. Genevieve Member of Monteagle Limestone (KY*)
Ste. Genevieve Member of Slade Formation (KY*)
Ste. Genevieve Limestone Member of Greenbrier Limestone (VA)
Subunits:
FORMATION STATUS (alphabetical): Bryantsville Breccia Bed (IN*,KY*), Fredonia Member (IL*,IN*,KY*,TN*), Hoffner Member (IL), Horse Cave Limestone Member (KY), Joppa Member (IN*,IL), Karnak Member (KY,IL,IN*), Levias Member (IL*,KY,IN), Lost River Chert Bed (IN*,KY*), Rosiclare Member (IN,IL*,KY*), Spar Mountain Sandstone Member (IL).
Geologic age:
Middle Mississippian (Visean; early Chesterian)*
Type section, locality, area and/or origin of name:
Named from outcrops in Mississippi River bluffs, 1 or 2 mi below town of Ste. Genevieve, Ste. Genevieve Co., MO (Shumard, 1860).
AAPG geologic province:
Illinois basin*
Cincinnati arch*
Appalachian basin*
Anadarko basin*
Ozark uplift*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).