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National Geologic Map Database

Geologic Unit: Williston

Usage:

Williston Formation of Ocala Group (GA)
(†Williston Formation of †Ocala Group abandoned by the FL Geol. Survey (type locality in FL) and the USGS. Rocks reallocated to Ocala Limestone. See Ocala.)


Geologic age:

early Tertiary (late Eocene)


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

Pit in SE/4 NE/4 sec. 27, T. 12 S., R. 18 E., Levey Co., west-central FL (Vernon, 1951).


AAPG geologic province:

Florida platform
South Georgia sedimentary province


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 ([ ]).