Moretown Formation - carbonaceous schist member

Dark-gray, fine-grained carbonaceous biotite-muscovite-quartz (±garnet) phyllite and schist. Occurs west of Montpelier. Part of the metasedimentary host rocks of the North River Igneous Suite. Rocks of the Early to Late Taconic Accreted Terrane of the Rowe-Hawley Zone. Eastern allochthonous sequence, oceanic and accretionary realm, ultramafic inclusions, volcanic-arc intrusives, and volcanic rocks.
State Vermont
Name Moretown Formation - carbonaceous schist member
Geologic age Lower Ordovician to Cambrian?
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metaclastic > PhylliteDark-gray, fine-grained carbonaceous biotite-muscovite-quartz (±garnet) phyllite and schist.
Metamorphic > Schist > Mica-schist > Muscovite-schistDark-gray, fine-grained carbonaceous biotite-muscovite-quartz (±garnet) phyllite and schist.
References
NGMDB product
Counties Lamoille - Washington