356 New Yoek at the World's Columbian Exposition. 



Company. The sand is obtained from the Shawangunk grit, which is 

 crushed to exceeding fineness. Much of the product is sent to the glass 

 works at Corning. 



Large glass sand deposits of Quaternary age occur at Durhamville, 

 near Oneida lake. They are operated lay William Williams. The 

 sand is not as white nor as tine as that from Ellenville and is used for 

 the commoner grades of glassware. .Much of it is shipped to Lock- 

 port. The sand contains ninety-seven to ninety-seven and tive-tenths 

 per cent SiOj. 



Specimens were exhibited from the above localities. 



Feldspae and Q lt aktz. 

 Feldspar and quartz are quarried at Bedford, Westchester county, 

 and are used in the manufacture of pottery. 



Conteibutoe of Feldspae and Qitaetz. 

 Mr. Kinkel, Bedford. 



Mineeal Paints. 

 The mineral paints of New York State are from comparatively few 

 localities, and are manufactured from rocks of three different 

 formations : 



i. From Clinton iron ore. 



2. From Canlbrian red and green slate. 



3. From Chemung shale. 



No statistics of production are furnished by the manufacturers. 



Conteibutoes. 



Clinton Metallic Paint Co., Clinton. 1 Elko Mining and Milling Co., Ran- 

 Robert Hall; paint from red and green 1 dolph ; green, blue, brown and yellow 

 ground slate, Whitehall. | paint from ground shales. 



FiBEous Talc. 

 This material, used extensively in the manufacture of paper, is 

 entirely derived from localities in St. Lawrence county. 



Conteibutoe. 

 Asbestos Pulp Company, Gouverneur ; long and short fibre talc and ground talc. 



LIMES AND CEMENTS. 



GEOUP 47. 



This group is of great importance in New York State. Liihe is 

 made at innumerable localities on the outcrops of the great limestone 

 formations of New York State. No better idea of the distribution of 

 the Ume and cement industry can be given than by saying it is chieiiy 



