Usage:
No current usage.
(Rocks of †Narragansett Basin series (RI) reallocated to Dighton Conglomerate, Pondville Conglomerate, Purgatory Conglomerate, Rhode Island Formation, and Wamsutta Formation [all of Narragansett Bay Group]. See Dighton, Pondville, Purgatory, Rhode Island, and Wamsutta.)
Geologic age:
Pennsylvanian
Type section, locality, area and/or origin of name:
[Recognized in Narragansett basin, area approx. btw. Lat. 41 deg. 15 min. N. and 42 deg. 15 min. N., Long. 70 deg. 45 min. W. and 71 deg. 30 min., in parts of Providence, Boston, Provincetown, and New Bedford 30- x 60-min quadrangles, northern RI and southern MA (see Mansfield, 1906, p. 230 (fig. 8).]
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 ([ ]).