Hammer Creek Formation

State New York
Name Hammer Creek Formation
Geologic age Upper Triassic
Lithologic constituents
Sedimentary > Clastic > Conglomerate
Comments part of Newark Group 0-7000 ft. (0-2100 m).

Fisher, D.W., Isachsen, Y.W., and Rickard, L.V., 1970, Geologic Map of New York State, consisting of 5 sheets: Niagara, Finger Lakes, Hudson-Mohawk, Adirondack, and Lower Hudson, New York State Museum and Science Service, Map and Chart Series No. 15, scale 1:250,000.

NGMDB product
Counties Rockland