Member C (uppermost) of the Rangeley Formation in Maine and northeastern and southwestern New Hampshire

Quartz-pebble conglomerate overlain by rusty metapelite and feldspathic quartzite.
State New Hampshire
Name Member C (uppermost) of the Rangeley Formation in Maine and northeastern and southwestern New Hampshire
Geologic age Lower Silurian (Llandoverian)
Lithologic constituents
Major
Sedimentary > Clastic > Conglomeratequartz-pebble conglomerate
Minor
Metamorphic > Schist > Pelitic-schistrusty metapelite
Metamorphic > Metasedimentary > Metaclastic > Quartzitefeldspathic quartzite
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 - Coos - Sullivan