Crown Point Formation

Gray, massively bedded fossiliferous limestone. Part of the Chazy Group. Rocks of the Laurentian Margin. Part of the Adirondack lowlands and Lake Champlain lowlands (west of the Orwell and Champlain thrusts). Also part of the Vermont Valley sequence and Middlebury synclinorium (above the Orwell and Champlain thrusts).
State Vermont
Name Crown Point Formation
Geologic age Middle Ordovician
Lithologic constituents
Sedimentary > Carbonate > Limestone (Bed)Gray, massively bedded fossiliferous limestone.
NGMDB product
Counties Addison - Chittenden - Grand Isle