Usage:
Mount Rat Schist of Hartland Group (CT)
Geologic age:
Cambrian(?)
Ordovician
Type section, locality, area and/or origin of name:
Not designated. Occurs in Mount Prospect region of western CT. Origin of name not stated by author, but probably named from Mount Rat, Litchfield Co., CT (Panish, 1992).
AAPG geologic province:
New England province
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).