State | New York |
---|---|
Name | Hornblende granite and granite gneiss |
Geologic age | Middle Proterozoic |
Lithologic constituents |
Major
Igneous > Plutonic > Granitic > Granitehornblende granite
Metamorphic > Gneissgranite gneiss
Minor
Igneous > Plutonic > Granitic > Leucocratic-graniticsubordinate leucogranite
|
References | 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 | Dutchess - Orange - Putnam - Rockland - Westchester |