Geologic Unit: Fly Pond
Fly Pond Member of Tatnic Hill Formation (CT*,MA*)
Near Fly Pond, Norwich quadrangle, eastern CT (Snyder, 1961).
Unit Name History:
Name proposed for member of Putnam Gneiss (Snyder, 1961).
Reassigned to Tatnic Hill Formation (Dixon, 1964).
Age modified; Isotopic dating (Zartman and others, 1965).
Age modified (Goldsmith, 1980).
Extended into MA (Goldsmith and others, 1982).
MA State Geol. Map usage (Zen and others, 1983).
CT State Geol. Map usage (Rodgers, 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
Database project personnel
Last modified: 15-Jan-2013