Quartz schist and gneiss - quartz-biotite gneiss and quartzite

Unit Y2rs locally includes steel-gray-weathering, garnet (small)-quartz-biotite gneiss and quartzite (Y2bgt). 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 Quartz schist and gneiss - quartz-biotite gneiss and quartzite
Geologic age Middle Mesoproterozoic
Lithologic constituents
Major
Metamorphic > Gneiss > Biotite-gneissSteel-gray-weathering, garnet (small)-quartz-biotite gneiss.
Metamorphic > Metasedimentary > Metaclastic > Quartzite
References
NGMDB product
Counties Addison - Bennington - Rutland - Windham - Windsor