Usage:
Allingtown Metadiabase (CT*)
Allingtown Metavolcanics (CT*)
Geologic age:
Middle(?) Ordovician*
Type section, locality, area and/or origin of name:
Type locality: community of Allingtown, just southwest of city of New Haven on U.S. Highway 1 [New Haven 7.5-min quadrangle, New Haven Co.], central southern CT (Fritts, 1965).
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 ([ ]).