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
NGMDB product
Counties Addison - Bennington - Windham - Windsor