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National Geologic Map Database

Geologic Unit: Ocala

Usage:

Ocala Limestone (FL*,GA*,SC*)
Ocala Limestone of Jackson Group (AL*,MS*)
Ocala Group (GA)


Subunits:

GROUP STATUS (alphabetical) --all in GA: Crystal River Formation, Ocmulgee Formation, Tivola Limestone, Williston Formation.
[†Ocala Group abandoned by the FL Geol. Survey (type locality in FL) and the USGS. Rocks reallocated to Ocala Limestone.)


Geologic age:

early Tertiary (Eocene and Oligocene)*


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

Type locality: at Ocala, Marion Co., northern FL, where it forms country rock and has been quarried to a depth of 20 ft (Dall, 1892).
Cotype locality: Zuber pit of Cummer Lime and Manufacturing Company, in SE/4 NW/4 sec. 11, T. 14 S., R. 21 E., Marion Co., northern FL (Puri, 1957).


AAPG geologic province:

Atlantic Coast basin*
Florida platform*
Mid-Gulf Coast basin*
South Georgia sedimentary province*


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 ([ ]).