Dead River Formation, undivided

Thinly laminated, "pin-striped" gray, green, or tan metapelite and quartzite.
State New Hampshire
Name Dead River Formation, undivided
Geologic age Upper Cambrian? - Lower Ordovician?
Lithologic constituents
Metamorphic > Metasedimentary > Metaclastic > Quartzite
Metamorphic > Schist > Pelitic-schistthinly laminated, "pin-striped" gray, green, or tan metapelite
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.
NGMDB product
Counties Coos