Rangeley Formation, Felsic metavolcanic rocks

Found in south-central New Hampshire.
State New Hampshire
Name Rangeley Formation, Felsic metavolcanic rocks
Geologic age Lower Silurian (Llandoverian)
Lithologic constituents
Major
Metamorphic > Metaigneous > Metavolcanicfelsic metavolcanic rocks
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 Hillsborough