Usage:
Marianna Formation (FL*,GA*)
Marianna Formation of Vicksburg Group (AL*,MS*)
Marianna Limestone (FL,GA)
Marianna Limestone of Vicksburg Group (AL*,GA,LA*,MS*)
Subunits:
Mint Spring Marl Member (AL,MS)
Geologic age:
early Tertiary (early Oligocene)*
Type section, locality, area and/or origin of name:
Named from exposures at Marianna, Jackson Co., FL, east edge of town, where the rock is quarried (US geologic names lexicon, USGS Bull. 896, p. 1298).
West bank of the Chipola River near the US 90 Highway bridge on the east side of Marianna, in SE/4 sec. 3, T. 4 N., R. 10 W., Jackson Co., FL (Huddlestun, 1993).
AAPG geologic province:
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 ([ ]).