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National Geologic Map Database

Geologic Unit: Dutch Island Harbor

Usage:

Dutch Island Harbor Formation of Conanicut Group (RI-recognized locally around Conanicut Island)


Geologic age:

Early Ordovician


Type section, locality, area and/or origin of name:

Type locality: Dutch Island Harbor, Conanicut Island, southern Narragansett Bay, southeastern RI (J.W. Skehan and others, 1981, NEIGC 73rd Ann. Mtg., Trip C-1, p. 237-264).


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 ([ ]).