Scale of Miles 



GEOLOGIC MAP OF NEW YORK 



vf[]l6neous fc^'J Precambrian WM Cambrian 

 ^g Cambro-Ordovictan ||j| Lower OzarKian f^ Canadian ^^t'l^ 

 E^Ordovictan ^Silurian ^Devonian fggg Carboniferous M^}J?y^ : 

 ^| Tr lassie HH Cretaceous | n 1 Tertiary (Neocene) [|V«°fj Pleistocene Jp£jgg#(g8 



mine 20 Geologic map of New York State. In the Adirondack area the Precambrian as shown is unclassified, except the central 



anorthosite (igneous) mass. 



