Pinnacle Formation - metawacke and phyllite member (VTCAZps;0)

Pinnacle Formation - metawacke and phyllite member

Light-gray, medium-grained, massive quartz-sericite-chlorite-albite metawacke, gray to grayish-green magnetite-chlorite-muscovite-quartz schist, and phyllite or pebbly phyllite, locally rich in magnetite. Cover rocks of the Lincoln Mountain massif and northwestern flank of the Green Mountain massif.

State	Vermont
Name	Pinnacle Formation - metawacke and phyllite member
Geologic age	Cambrian and Neoproterozoic
Lithologic constituents	Major Metamorphic > Metasedimentary > Metaclastic > Metasandstone > MetagraywackeLight-gray, medium-grained, massive quartz-sericite-chlorite-albite metawacke. Metamorphic > Schist > Mica-schist > Muscovite-schistGray to grayish-green magnetite-chlorite-muscovite-quartz schist, and phyllite or pebbly phyllite, locally rich in magnetite. Metamorphic > Metasedimentary > Metaclastic > PhylliteGray to grayish-green magnetite-chlorite-muscovite-quartz schist, and phyllite or pebbly phyllite, locally rich in magnetite.
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 - Rutland - Windsor

Pinnacle Formation - metawacke and phyllite 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.