Moretown Formation - granofels and phyllite member

Light-gray to tan, fine-grained albite-chlorite-sericite-quartz phyllitic quartzite interlayered with light-greenish-gray quartzofeldspathic granofels and dark-gray phyllite. Contains numerous boudinaged, massive to foliated, dark-green metamorphosed mafic dikes and sills. 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 - granofels and phyllite member
Geologic age Lower Ordovician to Cambrian?
Lithologic constituents
Major
Metamorphic > Granoblastic > GranofelsInterlayered with light-greenish-gray quartzofeldspathic granofels and dark-gray phyllite.
Metamorphic > Metasedimentary > Metaclastic > PhylliteInterlayered with light-greenish-gray quartzofeldspathic granofels and dark-gray phyllite.
Metamorphic > Metasedimentary > Metaclastic > QuartziteLight-gray to tan, fine-grained albite-chlorite-sericite-quartz phyllitic quartzite.
Minor
Metamorphic > Metaigneous > MetaintrusiveContains numerous boudinaged, massive to foliated, dark-green metamorphosed mafic dikes and sills.
References
NGMDB product
Counties Orleans