Hoosac Formation - albite-quartz granofels member (VTCAZhab;0)

Hoosac Formation - albite-quartz granofels member

Light-gray- to whitish-gray-weathering, massive to thickly bedded medium-grained biotite-white albite-quartz granofels; locally is a medium-gray, finer grained, more biotite-rich albitic quartz schist of gneissic aspect. Eastern flank of the Green Mountain massif and eastern domes.

State	Vermont
Name	Hoosac Formation - albite-quartz granofels member
Geologic age	Lower Cambrian and Neoproterozoic
Lithologic constituents	Major Metamorphic > Granoblastic > GranofelsLight-gray- to whitish-gray-weathering, massive to thickly bedded medium-grained biotite-white albite-quartz granofels. Minor Metamorphic > Schist > Quartz-feldspar-schistLocally is a medium-gray, finer grained, more biotite-rich albitic quartz schist of gneissic aspect.
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 - Windham - Windsor

Hoosac Formation - albite-quartz granofels member

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.