Day Point Formation

Gray, thin-bedded to massive sandstone and 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 Day Point Formation
Geologic age Middle Ordovician
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone (Bed)Fossiliferous limestone.
Sedimentary > Clastic > Sandstone (Bed)Gray, thin-bedded to massive sandstone.
References
NGMDB product
Counties Addison - Chittenden - Grand Isle