MINERAL RESOURCES OF THE STATE OF NEW YORK 307 



In the Niagara limestone of western New York sphalerite occurs 

 in the lining of small cavities and in stringers, where it is accompanied 

 by galena. The old Pike quarry near Rochester and the quarries 

 near Lockport are localities of such occurrence. 



References 

 Emmons, Ebenezer. N. Y. Assembly Doc. No. 200, p. 213, 1838 

 McDonald, P. B. Zinc Mining in New York. Eng. & Min. Jour., v. 95, 1913 

 Mather, W. W, Geology of New York. Report on the First District, p. 358-62, 



1843 



Newland, D. H. The New Zinc Mining District near Edwards, N. Y. Eco- 

 nomic Geology, v. 11, 1916 



The Zinc-Pyrite Deposits of the Edwards District, New York. 



N. Y. State Defense Council Bui. 2, Nov. 191 7 



Smyth, C. H. jr. Genesis of the Zinc Ores of the Edwards District, St Law- 

 rence County, N. Y. N. Y. State Mus. Bui. 201, 191 7 



