Tyson Formation - chlorite-muscovite phyllite and schist member

Pale-greenish-gray to yellowish-greenish-gray, chlorite-muscovite-quartz phyllite and schist; locally contains beds of pebbly metawacke and magnetite phyllite. Similar to but finer grained than the metawacke and phyllite member of the Pinnacle Formation (CZps). Eastern and western flank of the Green Mountain massif.
State Vermont
Name Tyson Formation - chlorite-muscovite phyllite and schist member
Geologic age Lower Cambrian and Neoproterozoic
Lithologic constituents
Major
Metamorphic > Schist > Mica-schist > Muscovite-schistPale-greenish-gray to yellowish-greenish-gray, chlorite-muscovite-quartz phyllite and schist.
Metamorphic > Metasedimentary > Metaclastic > PhyllitePale-greenish-gray to yellowish-greenish-gray, chlorite-muscovite-quartz phyllite and schist; locally contains beds of pebbly metawacke and magnetite phyllite.
Minor
Metamorphic > Metasedimentary > Metaclastic > Metasandstone > MetagraywackeLocally contains beds of pebbly metawacke.
References
NGMDB product
Counties Rutland - Windsor