Usage:
Cannon Limestone of Nashville Group (AL*,GA*,TN*)
Cannon Limestone (VA*)
Cannon Member of Nashville Formation of Chickamauga Group (GA)
Also called /Bigby-Cannon Limestone of Nashville Group (TN).
[The use of a hyphen between undifferentiated formations is not considered proper notation (CSN, 1933).]
Geologic age:
Late Ordovician (Mohawkian; Chatfieldian; Kirkfieldian and Shermanian)*
Type section, locality, area and/or origin of name:
Notable exposures just southwest of Kettle Creek pool, Cannon Co., central TN (Nelson, 1924).
AAPG geologic province:
Appalachian basin*
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 ([ ]).