Ticonderoga Formation (VTCAti;0)

Ticonderoga Formation

Light-gray, yellowish-gray- to buff- weathering quartzose dolostone, pebbly dolomitic quartzite, and interbedded quartzite. 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	Ticonderoga Formation
Geologic age	Upper Cambrian
Lithologic constituents	Major Sedimentary > Carbonate > DolostoneLight-gray, yellowish-gray- to buff- weathering quartzose dolostone. Metamorphic > Metasedimentary > Metaclastic > QuartzitePebbly dolomitic quartzite, and interbedded quartzite.
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 - Chittenden - Rutland

Ticonderoga Formation

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.