Great Meadows Formation - dolostone (VTOgm;0)

Great Meadows Formation - dolostone

Light-gray, medium-grained, medium- to thick-bedded dolostone, locally cherty. Part of the Beekmantown Group. Rocks of the Laurentian Margin. Part of the Adirondack lowlands and Lake Champlain lowlands (west of the Orwell and Champlain thrusts).

State	Vermont
Name	Great Meadows Formation - dolostone
Geologic age	Lower Ordovician
Lithologic constituents	Major Sedimentary > Carbonate > Dolostone (Bed)Light-gray, medium-grained, medium- to thick-bedded dolostone, locally cherty. Incidental Sedimentary > Chemical > Chert (Bed)Locally cherty.
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 - Orange - Rutland - Windsor

Great Meadows Formation - dolostone

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.