Usage:
Southbridge Formation of Paxton Group (MA*,CT*)
Geologic age:
Neoproterozoic*
Type section, locality, area and/or origin of name:
Type section: line extending N. 40 deg. W. from point where Dudley Hill Road leaves Southbridge quadrangle, [UTM] 388,700 ft N; 464,225 ft E, to Cady Brook northwest of Carlton Street School. Named from town of Southbridge, Worcester Co., MA (Pease, 1972).
Extended along Quinebaug River in Webster quadrangle to 1 km southeast.
AAPG geologic province:
New England 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 ([ ]).