CLAYS OF NEW YOKK 



861 



A]^ALYSES 



plete that has ever been published; it has been compiled from a 

 the following heads : residual clays, kaolins, fire clays, pottery 

 terra cotta clays and pipe clays. This is not intended to mean that 

 for, on the contrary, it frequently happens that one clay can be 



alumina, ferric oxid, lime, magnesia, alkalis, combined and free 

 acid and sulfuric acid have been determined, 



c titanic acid 



d magnesium carbonate 



e organic matter 



clays 





Lime 



Magnesii 



Alkalis 





d 









1 



.15 



1.45 



2 49 



3 



3.69 



.26 



1.57 



3 



4 



tr. 

 tr. 



1.43 

 tr. 



4. 

 2 33 



5 



tr. 



.389 



1.557 



6 



tr. 



.54 





7 



tr. 



tr. 



und. 



8 



1.09 



1.48 





9 



.53 



1.37 





10 









11 



.224 



.698 



5.139 



13 



.34 



.03 



2.59 



■WATER 



Com- 

 bined 



Free 



9.86 

 10.73 



7.36 



4.894 



Miscel- 

 laneous 



P3 0g3.53 



15 55 



2.72 



3.05 

 4.83 



1.46 

 3.14 



9 87 



4.758 



5.45 



Loss 

 2.46 

 Loss 

 2.64 



CO, 1.03 



Firm name, authority, 

 or analyst 



From Ark. geol. sur. rep't od 



manganese 

 Georgia geol. sur. 1893 



Ky. geol. sur., chem, rep't A, pt a 

 Tech quart. 1890' . 



Mo. geol. .564 

 loid., 2: 18('3, 11: 388 



Penn. geol. sur. D, p.l3 

 Wis. ae. sci. 1870-76 



