Northfield Formation - quartzose limestone

Beds of quartzose limestone. Part of the Connecticut Valley Trough.
State Vermont
Name Northfield Formation - quartzose limestone
Geologic age Lower Devonian and Upper Silurian
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone (Bed)Quartzose limestone.
Comments On the printed map the unit label is DSnl, but in the GIS it is Snl. Changing to DSnl to match the printed map; Snl is a mistake according to Greg Walsh (oral communication 2012).
References
NGMDB product
Counties Windham