Granodioritic augen gneiss and quartz monzonite gneiss

Light-gray to pinkish-gray, garnet-biotite-plagioclase-micro-perthite augen granodioritic gneiss, locally massive but well foliated. Contains deformed phenocrysts (augen) aligned in old relict flow (?) foliation. Rocks of the Adirondacks in Vermont and in the Whitehall, N.Y., area.
State Vermont
Name Granodioritic augen gneiss and quartz monzonite gneiss
Geologic age Late Mesoproterozoic
Lithologic constituents
Major
Metamorphic > Metasedimentary > ParagneissLight-gray to pinkish-gray, garnet-biotite-plagioclase-micro-perthite augen granodioritic gneiss, locally massive but well foliated.
References
NGMDB product