Quartz schist and gneiss - quartz-biotite gneiss and quartzite (VTY2bgt;0)

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	Ratcliffe, N.M., Stanley, R.S., Gale., M.H., Thompson, P.J., and Walsh, G.J., 2011, Bedrock geologic map of Vermont: U.S. Geological Survey Scientific Investigations Map 3184, 3 sheets, scale 1:100,000. https://pubs.er.usgs.gov/publication/sim3184
NGMDB product	NGMDB product page for 96860
Counties	Addison - Bennington - Rutland - Windham - Windsor

Quartz schist and gneiss - quartz-biotite gneiss and quartzite

Ratcliffe, N.M., Stanley, R.S., Gale., M.H., Thompson, P.J., and Walsh, G.J., 2011, Bedrock geologic map of Vermont: U.S. Geological Survey Scientific Investigations Map 3184, 3 sheets, scale 1:100,000.