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National Geologic Map Database

Geologic Unit: Pensacola

Usage:

Pensacola Clay (AL*,FL*)
Pensacola Formation (AL,MS*)


Subunits:

Escambia Sand Member (AL*,FL*,MS), Pascagoula Member (AL,MS*), Graham Ferry Member (AL,MS*), and informal? Amos and Meyer sand members


Geologic age:

late Tertiary (middle Miocene to late Pliocene; Langhian to Piacenzian)*


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

Type section (subsurface): South Baldwin Oil Company, Dr. A. Garrett No. 1 [well], in NE/4 NW/4 sec. 9, T. 9 S., R. 5 E., Baldwin Co., AL (Marsh, 1966).
[Reference sections] (subsurface): A.R. Temple-Walse-Ehle No. 1 well, in center NE/4 SE/4 sec. 15, T. 8 S., R. 4 E., Baldwin Co., AL; A.R. Temple-F.W. Sherrill et al No. 1 well, in SE/4 NE/4 sec. 15, T. 7 S., R. 4 E., Baldwin Co., AL (Marsh, 1966).
Named from Pensacola, Escambia Co., FL (Puri and Vernon, 1964).


AAPG geologic province:

Mid-Gulf Coast basin*


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 ([ ]).