Geologic Unit: Litchfield
Litchfield Norite (CT*)
Not designated. Named from town of Litchfield, Litchfield Co., western CT (Gregory, 1906).
Unit Name History:
Named (Gregory, 1906). Redescribed (Rodgers and others, 1956). Age modified (Rodgers, 1985).
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Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys.
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U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
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Last modified: 15-Jan-2013