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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 ([ ]).