Usage:
Nashoba Formation (MA*)
Subunits:
Boxford Member, Bellows Hill Member, Billerica Schist Member, Spencer Brook Member, Tophet Swamp Gneiss Member, Nashoba Brook Member, Nagog Pond Gneiss Member, Fort Pond Member, Long Pond Gneiss Member, Beaver Brook Member.
Geologic age:
Ordovician and older*
Type section, locality, area and/or origin of name:
Nashoba Brook, Maynard and Westford quadrangles, northeastern MA (Hansen, 1956).
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 ([ ]).