Gile Mountain Formation - quartzite and metapelite member

Gray to light-gray, fine-grained micaceous quartzite a few centimeters to tens of centimeters thick, interbedded with dark-gray graphitic slate, phyllite, or schist. Part of the Connecticut Valley Trough.
State Vermont
Name Gile Mountain Formation - quartzite and metapelite member
Geologic age Lower Devonian
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metaclastic > QuartziteGray to light-gray, fine-grained micaceous quartzite.
Minor
Metamorphic > Metasedimentary > Metaclastic > PhylliteDark-gray graphitic slate, phyllite, or schist.
Metamorphic > Schist > Pelitic-schistDark-gray graphitic slate, phyllite, or schist.
Metamorphic > Metasedimentary > Metaclastic > SlateDark-gray graphitic slate, phyllite, or schist.
References
NGMDB product
Counties Caledonia - Essex - Orange - Orleans - Windsor