Plymouth Formation - dolostone member (VTCApd;0)

Plymouth Formation - dolostone member

Light-gray- to beige-weathering massive dolostone and bluish-gray-weathering mottled dolostone breccia and conglomerate, passing upward into more thinly bedded bluish-gray and buff dolostone breccia; dark-gray phyllitic dolostone and limestone in upper part. Correlative in part with boulder and conglomerate beds of the Dunham Dolostone near Rutland and with similar beds in the upper part of the Forestdale Formation. Eastern flank of the Green Mountain massif and eastern domes.

State	Vermont
Name	Plymouth Formation - dolostone member
Geologic age	Cambrian
Lithologic constituents	Major Sedimentary > Clastic > Sedimentary-breccia (Bed)Thinly bedded bluish-gray and buff dolostone breccia. Sedimentary > Carbonate > DolostoneLight-gray- to beige-weathering massive dolostone and bluish-gray-weathering mottled dolostone breccia, passing upward into more thinly bedded bluish-gray and buff dolostone breccia; dark-gray phyllitic dolostone in upper part. Sedimentary > Clastic > ConglomerateBluish-gray-weathering mottled dolostone breccia and conglomerate. Minor Sedimentary > Carbonate > LimestoneDark-gray phyllitic dolostone and limestone in upper part.
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	Windsor

Plymouth Formation - dolostone 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.