Geologic Unit: Scituate
Scituate Granite (RI*,CT*)
/Scituate Plutonic Suite (RI)
/Scituate Plutonic Supersuite (RI)
Named from exposures in Scituate Twp., Providence Co., RI. Good exposures at east wall of spillway at west abutment of the Kent Dam of the Scituate Reservoir and in small quarry 0.5 mi west of Snake Dam (Quinn, 1951).
Rhode Island Quincy Granite, Scituate Plutonic Suite, and East Greenwich Plutonic Suite of Scituate Plutonic Supersuite (Skehan and Rast, 1990).
Unit Name History:
Named Scituate granite gneiss (Quinn, 1951).
Age modified (Quinn, 1963).
Age modified; Extended into CT; Assigned to Sterling Plutonic Group (Goldsmith, 1966).
Age modified (Goldsmith, 1967).
Age modified; Isotopic dating, relations discussed (Goldsmith, 1980).
Extended into MA; Age discussed (Goldsmith and others, 1982).
MA State Geol. Map usage (Zen and others, 1983).
Revised to Scituate Granite, removed from group; Age modified (Hermes and Zartman, 1985).
Revised (Skehan and Rast, 1990; Hermes and Murray, 1990).
Restricted from MA; Revised; Age modified; Isotopic dating (Wones and 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
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Last modified: 15-Jan-2013