Usage:
Cyrene Limestone of Edgewood Group (MO)
Cyrene Formation of Edgewood Group (IL,MO)
Cyrene Member of Edgewood Limestone (MO)
Geologic age:
Late Ordovician
Type section, locality, area and/or origin of name:
Type section: 1 to 2 mi east of Cyrene and Edgewood, Pike Co., northeastern MO. Named from exposures at Cyrene, Pike Co., MO (Savage, 1913).
Type section stated to be in SW/4 NW/4 sec. 8, T. 52 N., R. 1 W., Cyrene 7.5-min quadrangle, Pike Co., northeastern MO (Thompson and Satterfield, 1975).
Reference section: roadcut on business route U.S. Highway 54, 0.25 mi east of junction with U.S. Highway 61 bypass, north of the north edge of Bowling Green, NW/4 NW/4 sec. 24, T. 53 N., R. 3 W., Bowling Green 7.5-min quadrangle, Pike Co., MO (Thompson and Satterfield, 1975; Amsden, 1986).
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 ([ ]).