Mangerite, pyroxene-(hornblende) syenite gneiss

Mangerite, pyroxene syenite gneiss - pyroxene-(hornblende) syenitic gneiss; mesoperthite common. Overprint signifies inequigranular texture.
State New York
Name Mangerite, pyroxene-(hornblende) syenite gneiss
Geologic age Middle Proterozoic
Lithologic constituents
Major
Igneous > Plutonic > Syenitic > Monzonitecharnockitic (mangerite)
Metamorphic > Gneisspyroxene syenite gneiss - pyroxene-(hornblende) syenitic gneiss
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 Essex - Franklin - Hamilton - Jefferson - Lewis - Saint Lawrence