Usage:
Nashua Formation (FL*)
Nashua Formation of Port Charlotte Group (FL)
Geologic age:
Tertiary*
Pliocene, late*
Quaternary
Pleistocene, early
Type section, locality, area and/or origin of name:
Exposures on banks of St. Johns River, 0.25 mi south of Nashua, Putnam Co., FL (Matson and Clapp, 1909).
Type section: east bank of St. Johns River, in sec. 28, T. 11 S., R. 26 E., approximately 3 mi southwest of Satsuma and 10 mi south of Palatka (Huddlestun, 1988).
AAPG geologic province:
South Georgia sedimentary 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 ([ ]).