|Name||Hurricane Mountain Formation|
|Geologic age||Upper Cambrian?|
Metamorphic > Metasedimentary > Metaclastic > Slatedark siliceous scaly slate or schist of flaser structure, polymictic fragments from a few mm to (in Maine) several hundred meters.
Metamorphic > Schistdark siliceous scaly slate or schist of flaser structure, polymictic fragments from a few mm to (in Maine) several hundred meters.
Igneous > Plutonic > Ultramaficmelange of ultramafic rocks
Metamorphic > Metasedimentarymelange of metasedimentary
Metamorphic > Metaigneous > Metavolcanicmelange of metavolcanics
|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.|