Usage:
New Hampshire Plutonic Suite (ME*,MA*,NH*)
/New Hampshire plutonic series [informal] (ME,NH,VT)
[When referring to the New Hampshire plutonic series of Billings and Williams (1935), please use informally. The practice of employing "Series" for lithostratigraphic or lithodemic nomenclature is now regarded as improper (ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). The term "Series" is applied formally only to chronostratigraphic units.]
Subunits:
Concord, Bickford Granites. Kinsman, Bethlehem Granodiorites. Coys Hill Granite. Winnipesaukee, Spaulding Quartz Diorites. Many others.
Geologic age:
Devonian*
Type section, locality, area and/or origin of name:
Type area: Littleton and Moosilauke 15-min quadrangles, northwestern NH (M. Billings, letter dated July 19, 1935).
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 ([ ]).