Hornblende-quartz syenite gneiss

Overprint signifies inequigranular texture.
State New York
Name Hornblende-quartz syenite gneiss
Geologic age Middle Proterozoic
Lithologic constituents
Metamorphic > Gneiss > Hornblende-gneissHornblende-quartz syenite gneiss

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 Jefferson - Lewis - Saint Lawrence