Geologic Unit: Weymouth
Weymouth Formation (MA*,RI*)
Weymouth Formation of Blue Hills Complex (MA)
Exposures north and east of Mill Cove at Weymouth, Norfolk Co., eastern MA (Emerson, 1917).
Unit Name History:
Named (LaForge, 1909).
Described at type locality (Emerson, 1917).
Assigned to Blue Hill Complex (Billings, 1982).
Extended into RI (Landing, 1988).
MA State Geol. Map usage (Zen and others, 1983).
Overview (Goldsmith, 1991).
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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
Database project personnel
Last modified: 15-Jan-2013