Buttress Diabase (CT*)
Buttress Dolerite (CT)
800 ft northwest of Wilbur Cross Parkway tunnel (Fritts, 1963). Named from topographic feature known as The Buttress, which protrudes from the west side of West Rock Ridge, New Haven quadrangle, New Haven Co., CT (Fritts, 1962).
New England province
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.
"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).