Russell Mountain Formation (MA*,VT)
Silurian*
Type area: 250 ft N. 30 deg. W. of intersection of Westfield corporate boundary and General Knox Road, on south end of Russell Mountain, Woronoco quadrangle, southwestern MA (Hatch and others, 1970).
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 ([ ]).