Usage:
Bass Rock Member of Jamestown Formation of Conanicut Group (RI-recognized locally around Conanicut Island)
Geologic age:
Middle Cambrian
Type section, locality, area and/or origin of name:
Type locality: northwest of Beavertail fault zone and south of the Lion Head Chasm, Conanicut Island, southern Narragansett Bay, [Beavertail State Park, Narragansett Pier 7.5-min quadrangle, Newton Co.], southeastern RI. [Origin of name not stated by authors. Probably named from Bass Rock, south of Lion Head, Beavertail State Park, Narragansett Pier 7.5-min quadrangle, Newton Co., southeastern RI] (Skehan and Rast, 1990).
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 ([ ]).