Geologic Unit: Belchertown
Belchertown Complex (MA*)
Type area: Belchertown, Hampshire Co., west-central MA (Emerson, 1898).
Unit Name History:
Named Belchertown tonalite (Emerson, 1898).
Revised to Belchertown Intrusive Complex (Robinson, 1967).
MA State Geol. Map usage (Zen and others, 1983).
Revised to Belchertown Complex (Robinson and Luttrell, 1985).
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Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys.
"No current usage" implies that a name has been abandoned or that it has fallen into disuse. Former usage and, if known, replacement name given in parentheses ().
Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]).
U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
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Last modified: 15-Jan-2013