Cobble Mountain Formation (MA*,CT*)
Type area: along and near southeast shores of Cobble Mountain Reservoir, including outcrops along Cobble Mountain Road and point of land that extends northward into Reservoir 2.3 km west of southeast corner of Blandford quadrangle, Hampden Co., southwestern MA (Hatch and Stanley, 1973).
New England province*
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"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 ([ ]).