Biotite augite norite

Biotite augite norite
State New York
Name Biotite augite norite
Geologic age Upper Ordovician
Lithologic constituents
Igneous > Plutonic > Gabbroic > Gabbro > Noritebiotite augite norite
Comments part of Cortlandt and Smaller Mafic Complexes.

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 Westchester