U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Little Oak

Usage:

Little Oak Limestone (AL*)


Geologic age:

Middle[?] to Late Ordovician (Chazyan to Mohawkian)*
[uncertain if extends into early part of Chazyan]


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

Exposures on west front of Little Oak Ridge, south of Leeds, Jefferson Co., north-central AL (Butts, 1926).


AAPG geologic province:

Appalachian basin*


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 ([ ]).