Beekmantown Group, undivided

Gray limestones, fossiliferous limestones, and dolostones. Rocks of the Laurentian Margin. Part of the Adirondack lowlands and Lake Champlain lowlands (west of the Orwell and Champlain thrusts).
State Vermont
Name Beekmantown Group, undivided
Geologic age Middle Ordovician to Upper Cambrian
Lithologic constituents
Sedimentary > Carbonate > Dolostone
Sedimentary > Carbonate > Limestone
NGMDB product
Counties Chittenden - Franklin - Grand Isle