Usage:
Craig Limestone Member of Rogersville Shale (TN*)
Geologic age:
Middle Cambrian*
Type section, locality, area and/or origin of name:
Craig quarry in southern part of village of Rutledge, Grainger Co., TN. Quarry is 0.15 mile south of junction of U.S. Highway 11W and State Highway 92, near sharp turn of latter (Rodgers and Kent, 1948).
AAPG geologic province:
Appalachian 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 ([ ]).