Geologic Unit: Harvard
Harvard Conglomerate (MA*)
Pin Hill in town of Harvard, Worcester Co., eastern MA (Hansen, 1956).
Unit Name History:
Named (Crosby, 1876).
Revised to Harvard conglomerate lentil of Worcester phyllite (Emerson, 1917).
Revised; Type locality stated (Hansen, 1956).
Raised to formation rank; Age modified (Goldsmith and others, 1982).
MA State Geol. Map usage (Zen and others, 1983).
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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