Tyson Formation - quartz phyllite member

Rusty-weathering, gray to grayish-green, chlorite-muscovite-quartz phyllite and minor beds of pebbly-quartz metawacke. Eastern and western flank of the Green Mountain massif.
State Vermont
Name Tyson Formation - quartz phyllite member
Geologic age Lower Cambrian and Neoproterozoic
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metaclastic > PhylliteRusty-weathering, gray to grayish-green, chlorite-muscovite-quartz phyllite.
Minor
Metamorphic > Metasedimentary > Metaclastic > Metasandstone > MetagraywackeMinor beds of pebbly-quartz metawacke.
References
NGMDB product
Counties Addison - Rutland - Windsor