Geologic Unit: Cooleyville
Cooleyville Granitic Gneiss of Prescott Complex (MA*)
Exposures in hills 0.8 to 3.2 km to the northeast, east, and southeast of village of Cooleyville, western edge of town of New Salem, Franklin Co., western-central MA (Robinson and Luttrell, 1985).
Unit Name History:
Named, credited to Mackower (1964, unpub. PhD dissert.) (Robinson, 1967).
MA State Geol. Map usage (Zen and others 1983).
Revised; Age modified; Isotopic dating (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