Usage:
Bronson Group (IA,KS,MO,NE,OK, and CO*-subsurface)
/Bronson subgroup [informal] of Kansas City Group (KS,MO)
["Subgroup" not recognized as a formal stratigraphic rank term (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). Bronson subgroup considered informal and should not be capitalized.]
Subunits:
GROUP STATUS (alphabetical) --all in IA: Dennis Limestone, Galesburg Shale, Hertha Limestone, Ladore Shale, Pleasonton Formation, Swope Limestone.
/SUBGROUP STATUS (alphabetical): Dennis Formation (KS,MO), Galesburg Shale (KS,MO), Hertha Formation (KS,MO), Ladore Shale (KS,MO), Mound Valley Limestone (KS), Swope Formation (KS,MO).
Geologic age:
Late Pennsylvanian (Missourian)
Type section, locality, area and/or origin of name:
Type area: vicinity of Bronson, Bourbon Co., KS (Jewett, 1933).
AAPG geologic province:
Forest City basin
Cherokee basin
Anadarko basin
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 ([ ]).