Conanicut Group (RI-recognized locally around Conanicut Island)
(alphabetical) --all in RI: Dutch Island Harbor Formation, East Passage Formation, Fort Burnside Formation, Jamestown Formation.
Cambrian and Ordovician
Named from the exposures in seacliffs on Conanicut Island, southern Narragansett Bay, southeastern RI (Skehan and Rast, 1990).
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 ([ ]).