Fort Cassin Formation - Ward Siltstone Member

Light-tan to gray, thinly bedded and crossbedded, calcareous and dolomitic siltstone and quartzite in beds similar to the quartzite of the Root Pond Quartzite Member (Ofcrp). 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 Fort Cassin Formation - Ward Siltstone Member
Geologic age Lower Ordovician
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metaclastic > Quartzite
Sedimentary > Clastic > Siltstone (Bed, Calcareous)Light-tan to gray, thinly bedded and crossbedded, calcareous and dolomitic siltstone.
References
NGMDB product
Counties Rutland