580 NEW YOBK STATE MUSEUM 



Chromite, chrome iron ore. — In serpentine, Phillipstown, Put- 

 nam county ; Wilks' mine, Monroe, Orange county. 



Copper. 



Ghalcopyrite, copper pyrites ; sulphide of iron and copper. — 

 Ancram lead mine, Columbia county ; Bockee mine, Columbia 

 county ; near Edenville, Orange county ; with arsenop} r rite ; 

 near Wurtsboro, Sullivan county, with galena in considerable 

 abundance ; Ellenville and Red Bridge lead mines, Ulster county ; 

 near Rossie, and also near Canton, in St. Lawrence county, once 

 worked. Many additional occurrences are reported where it is 

 in small quantity. 



Cuprite, red oxide of copper. — Near Ladentown, Rockland 

 county, in thin seams, in traprock. 



Lead. 



Galenite, galena ; sulphide of lead. — Otisville, Orange county ; 

 Ellenville and Red Bridge, Ulster county ; with copper pyrites 

 and blende in a gangue of quartz in Oneida conglomerate, mines 

 no longer worked ; Wurtsboro, Sullivan county ; near Sing 

 Sing, in Westchester county ; northeast township, Dutchess 

 county ; Ancram, Columbia county ; strings of galena, blende 

 and pyrites in limestone ; White creek, Washington county ; 

 Martinsburg, Lewis county ; Spraker's basin, Montgomery 

 county ; Rossie and vicinity, St. Lawrence county ; mines largely 

 worked years ago • ore occurs in vein with blende, pyrites and 

 copper pyrites. These mines have all been idle for several years. 



Cerusite, carbonate of lead. — Rossie, Robinson, Ross, and other 



lead mines, in St. Lawrence county ; Martinsburg, Lewis county ; 



near Sing Sing, on Hudson, associated with galena, in small 



quantity. 



Zinc. 



Sphalerite, zinc blende • sulphide of zinc. — Associated w ith 

 galena at lead mines in Sullivan, Ulster and Orange counties; 

 Ancram, Columbia county; Flat creek, Montgomery county; 

 Salisbury, Herkimer county; Martinsburg, Lewisburg, Lewis 

 county ; Cooper's Falls, Mineral Point, and in Fowler, St . Law- 

 rence county. 



