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National Geologic Map Database

Geologic Unit: Coffee Mill Hammock

Usage:

Coffee Mill Hammock Member of Fort Thompson Formation (FL*)
Coffee Mill Hammock Marl Member of Fort Thompson Formation (FL*)


Geologic age:

Quaternary (Pleistocene)*


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

Named from exposures at Goodno's Landing, Fort Thompson, and at Coffee Mill Hammock [De Soto County, southern Florida], 12 miles above Labelle [La Belle] (Sellards, 1919). [Referred to as type locality by some geologists.]


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 ([ ]).