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National Geologic Map Database

Geologic Unit: Stones River

Usage:

Stones River Group (AL,GA*,TN*)
Stones River Formation (northern AL*)
Stones River Group, undivided (subsurface of MS)


Subunits:

GROUP STATUS (alphabetical): Carters Limestone (GA*,TN*), Jewell Bluff Formation (TN), Lebanon Limestone (GA*,TN*), Murfreesboro Limestone (GA*,TN*), Pierce Limestone (TN*), Pond Spring Formation (GA*,TN*), Ridley Limestone (GA*,TN*).
FORMATION STATUS: Deicke K-bentonite Bed (AL*).


Geologic age:

Middle to Late Ordovician (Whiterockian to Mohawkian)*


Type section, locality, area and/or origin of name:

Named from exposures on Stone River, in vicinity Nashville, TN. Although the river is now called Stone River, the name of the deposits is firmly entrenched in the literature as Stones River (US geologic names lexicons, USGS Bull. 896, 1200).


AAPG geologic province:

Appalachian basin*
Black Warrior basin*
Cincinnati arch*


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).