CHAPTERS ON THE CEMENT INDUSTRY 871 



Analyses of the raw materials and of the finished product, fur- 

 nished by the company, follow: 



Clay Marl Cement 



SiC 2 45.21 ' .42 21.08 22.19 



M *°3 19.08) 10g 95(J 972 



Fe 2 3 6.74 ) 



CaC0 3 19.94 93.5 



CaO 64.68 63.08 



MgC0 3 3.27 2.13 



MgO 1.85 2.04 



Oa S0 4 . . . . 1.55 2.01 



S0 3 1.93 1.75 



Moisture and organic 



matter 4.17 .86 .... .... 



Alkalis and loss ..... .... .9 1.22 



The analyses of the clinker were made for the company by 

 Dr F.E. Engelhardt, of Syracuse (N. Y.) 



Wayland Portland cement co. The plant of this company is 

 located at Perkinsville, in the town of Wayland, Steuben co. It 

 was erected in 1896 and has operated continuously to date. 



The materials used are a light colored marl which occurs in a 

 deposit 2-14 feet thick, overlain by 6 inches to 3 feet of muck, in 

 a marsh near the works, and light gray (Pleistocene) clay from 

 Mt Morris, Livingston co., for their marl deposit, like that of Mil- 

 len's, is not underlain by clay. Analyses of the raw materials, 

 furnished by the company, follow: 



Marl 



Lime 54.4 



Silica .54 



Fe and Al oxids .56 



MgO 2.34 



Loss on ignition 42.2 



