Usage:
Adamstown Granite of Highlandcroft Plutonic Suite (ME*)
Geologic age:
Late Ordovician*
Type section, locality, area and/or origin of name:
Type section: north-central part of Oquossoc quadrangle, Lat. 45 deg. N., from Long. 70 deg. 50 min. to 70 deg. 55 min. W., Oxford Co., west-central ME. Origin of name not stated (Green and Guidotti, 1968).
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 ([ ]).