Littleton Formation, Upper unnamed member

Light-gray metaturbidite, lithologically identical to, and probably correlative with, the Seboomook Formation of Maine. Coticule layers common.
State New Hampshire
Name Littleton Formation, Upper unnamed member
Geologic age Lower Devonian
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metaclasticlight-gray metaturbidite
Comments Part of the Central Maine Composite Terrane (Central Maine Trough) - Variably metamorphosed sedimentary and volcanic rocks of greenschist to granulite facies, locally migmatized. Area includes structural belts between the Monroe fault on the west and the Campbell Hill fault on the east; that is, the Bronson Hill anticlinorium, Piedmont allochthon, Kearsarge-central Maine synclinorium, central New Hampshire anticlinorium, and Rochester-Lebanon (Maine) antiformal synclinorium.
References
NGMDB product
Counties Cheshire - Grafton - Merrimack - Sullivan