Usage:
Stephensport Group (KY,IN,IL)
Subunits:
(alphabetical): Beech Creek Limestone, Big Clifty Formation, Golconda Limestone, Haney Limestone, Hardinsburg Formation and Glen Dean Limestone (all IN) [Group appears to be undivided in KY and IL. No references in GNC index card files to indicate otherwise.]
Geologic age:
Late Mississippian (Chesterian)
Type section, locality, area and/or origin of name:
Town of Stephensport, Breckinridge Co., KY (Cumings, 1922).
AAPG geologic province:
Cincinnati arch
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 ([ ]).