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

Geologic Unit: Caloosahatchee

Usage:

Caloosahatchee Formation (FL*)
Caloosahatchee Marl (FL*)


Subunits:

(alphabetical) --all in FL: Ayers Landing Member, Bee Branch Member, Fort Denaud Member.


Geologic age:

late Tertiary to Quaternary (late Piocene to Pleistocene)*
Due to change in Plio-Pleistocene boundary, age may now be considered all or in part Pleistocene.


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

Named from exposures on Caloosahatchee River, Lee Co., southern FL, especially btw. Labelle and Olga (US geologic names lexicons, USGS Bull. 896, 1200).


AAPG geologic province:

Florida platform*


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 ([ ]).