87 



Continuation of Column No 1 . 

 TABLE I. 



s 



No. 







15 

 14 



Organic Remains 



NAMES OF SERIES. 



Minerals. 



Localities. 



Thickness, j 

 Depth in Feet. J 



- 



a 

 .2 





Serpentine. 



Silex and Mag- 

 nesia colored by 

 Iron and Chrome 



New England, 

 New Jersey, 

 New York, 

 Pennsylvania. 



150 F. j 







Diallage. 



Silex and Mag- 

 nesia with Lime. 



New York Island 

 Staten Island. 



70 F. | 



1 



a 

 a. 



13 





Green Stone 



Hornblende. 

 Feldspar.Quartz. 



Scotland, 

 Ireland, 

 N. Y., Conn., 

 New Jersey. 



100 F. | 



Si 



Eh 

 I 



12 

 11 





Green Stone 

 Slate. 



Hornblende and 

 Feldspar. 



New York, 

 New Jersey, 

 Connecticut. 



80 F. | 



1 



> 



£ 





Quartz rock. 



Quartz in Grain 

 with Mica. 



British Isles, 

 N. America, 

 S. America. 



90 F. ! 



10 

 9 





Clay Slate. 





Cornwall, Eng- 

 land. 



110 F. j 



( 



s 





Chlorite 

 Slate. 



Silex Magnesia 

 and Alumine. 



New York, 



Vermont, 



Pennsylvania. 



120 F. J 



c 

 .2 



<D 



C 



8 





Talcose 

 Slate. 



Argellite with 

 Talc. 



New York, 

 Rhode Island, 

 Virginia. 



150 F. | 



i 



7 





Steachist. 



Soapstone. 

 Hornblende. 



Vermont. 



150 F. | 





6 





Hornblende. 



New Hampshire. 

 New York. 



200 F. | 

 160 F. | 





5 





Hornblende 

 Slate. 



Hornblende and 

 Quartz. 



New York Island 



6 

 > 



4 





Primitive 

 Limestone. 



Marble and Do- 

 lomite. 



New York, 

 Vermont, 

 Massachusetts, 

 Pennsylvania. 



450 F. | 



ti 



i 3 





Mica Slate. 



Mica and Quartz 



Wales, 

 New York, 

 New England. 



300 F. 





\ 2 





Gneiss. 



Mica, Quartz and 

 Feldspar. 



Europe, 

 N. America. 

 S. America. 



400 F. | 



I 



1 





Granite. 



Mica, Quartz, 

 Feldspar. 



Europe, 

 N. America, 

 S. America. 



Depth unknown 



