State | New Hampshire |
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Name | Quimby Formation |
Geologic age | Upper Ordovician? |
Lithologic constituents | Major
Metamorphic > Schistblack graphitic-sulfidic rusty-weathering schist
Metamorphic > Metasedimentary > Metaclastic > Metasandstone > Metagraywackethickly bedded metagraywacke
|
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 | Grafton |