Northeastern Section of the Geological Society of America
One of six volumes generated by each GSA section for the Decade of North American Geology (DNAG) project, this Centennial Field Guide contains descriptions of 100 sites or site clusters representing outstanding geologic locations in Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, New Brunswick, Newfoundland, Nova Scotia, eastern Ontario, Quebec, and Washington, D.C.
The Cambrian to Lower Ordovician stratigraphic sequencein northwestern Vermont outcrops in a north-south trending beltbordered on the east by the Green Mountain anticlinorium and on the west by deformed Middle Ordovician shales. Significantfacies changes, both parallel and perpendicular to depositionalstrike, can be observed between Burlington and U.S. 2, 8 mi (13 km) to the north (Fig. 1). Stops 1 to 5 in the Lower Cambrian Dunham Dolomite, Middle Cambrian Monkton Quartzite, and Winooski Dolomite are located on a 3 mi (5 km) west-to-eastseries of outcrops along U.S. 2 near Milton, starting in an abandonedquarry on the north side of...