Usage:
Straight Creek Member of Grant Lake Limestone of Cincinnati group (informal) (OH)
Straight Creek Member of Grant Lake Limestone (KY)
(informal Cincinnati group is the usage of the OH Geol. Survey. The rank or lithologic term should not be capitalized.)
Geologic age:
Late Ordovician (Cincinnatian; Maysvillian)
Type section, locality, area and/or origin of name:
Type section: composite of two measured sections along the West Fork of Straight Creek in central Brown Co., OH: Ohio Geological Survey measured section 16904, 1,185 m northwest of the junction of the West Fork of Straight Creek with Straight Creek and Ohio Geological Survey measured section 19605, located 760 m northwest of section 16904 (Schumacher and others, 1991).
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 ([ ]).