Waits River Formation - muscovite porphyroblastic carbonaceous schist member (VTDSwb;0)

Waits River Formation - muscovite porphyroblastic carbonaceous schist member

Dark-gray to coaly-black, fine-grained plagioclase-muscovite-quartz schist and metawacke, shown southeast of Springfield; in part correlative with staurolite-grade rocks mapped as Littleton Formation (Dl) flanking the Vernon dome (shown as DSwb/Dl). Part of the Connecticut Valley Trough.

State	Vermont
Name	Waits River Formation - muscovite porphyroblastic carbonaceous schist member
Geologic age	Lower Devonian and Upper Silurian
Lithologic constituents	Major Metamorphic > Schist > Mica-schist > Muscovite-schistDark-gray to coaly-black, fine-grained plagioclase-muscovite-quartz schist and metawacke. Metamorphic > Metasedimentary > Metaclastic > Metasandstone > MetagraywackeDark-gray to coaly-black, fine-grained plagioclase-muscovite-quartz schist and metawacke.
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	Windham - Windsor

Waits River Formation - muscovite porphyroblastic carbonaceous schist 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.