Geologic Unit: Ratlum Mountain
Ratlum Mountain Schist (CT*)
Ratlum Mountain Member of Satans Kingdom Formation (CT)
North of Diters Road on Ratlum Mountain, Collinsville quadrangle, northwestern CT (Stanley, 1964).
Reference localities: in Satans Kingdom and along gorge of Farmington River, south of Route 44 (Satans Kingdom access area) (Stanley, 1964).
Unit Name History:
Name proposed for member of Satans Kingdom Formation (Stanley, 1964).
Age modified (Hatch and Stanley, 1973).
Rank raised; Age modified (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
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Last modified: 15-Jan-2013