Duncan Church beds (informal) of Suwannee Limestone (FL)
Informal. The rank or lithologic term should not be capitalized.
Tertiary
Oligocene, early
Not designated. Duncan Church is in Washington Co., FL.
South Georgia sedimentary 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 ([ ]).