Biotite-epidote-quartz gneiss and epidotic quartzite

Light-pale-yellowish-green to gray quartzite gneiss containing abundant epidote and locally magnetite, and frosted round grains of quartz associated with diopside-bearing quartzite. Part of the aluminous schists and gneisses of the Washington Gneiss and Wilcox Formation and related rocks. Mount Holly Complex paragneiss. Rocks of the Green Mountain and Lincoln Mountain massifs and eastern domes.
State Vermont
Name Biotite-epidote-quartz gneiss and epidotic quartzite
Geologic age Middle and Early Mesoproterozoic
Lithologic constituents
Major
Metamorphic > GneissLight-pale-yellowish-green to gray quartzite gneiss containing abundant epidote and locally magnetite.
Metamorphic > Metasedimentary > Metaclastic > QuartziteFrosted round grains of quartz associated with diopside-bearing quartzite.
References
NGMDB product
Counties Addison - Rutland