140 



ANNALS NEW YORK ACADEMY OF SCIENCES 



oolitic with shale or slate directly overlying and underlying the ore beds. 

 These seams included the Ida, Big and Irondale, besides many too small 

 to be of practical importance. (For sections, see Eckel, 37, pp. 74-78.) 

 Section East No. 2 mine, Red Mountain (Phillips, 266, p. G4) : 



Clay and soil. . . 



Sandstone 



Clay 



Sandstone 



Clay 



Ore 



Clay 



Ore 



Clay 



Ore 



Clay 



Ore 



Clay 



Ore 



Clay 



Ore 



Clay 



Ore 



Clay 



Ore 



Clay 



Ore 



Clay 



Ore, fine grained 



Clay 



Ore, fine grained 



Slate 



Ore, fine grained. 



Clay 



Ore, fine grained. 



Slate 



Ore, fine grained. 



Slate 



Ore, sandy 



Slate 



Ore, sandy 



Slate 



Ore, sandy 



Slate 



Ore, sandy 



Slate 



Ore, limy 



Slate 



Ore, limy 



Feet 



Inches 



.5 

 .5 

 .5 



2 



6 



2 



3.5 



1 



4 



4 



4 



0.5 



1 



2 



10 

 1 

 2. 

 0. 

 0. 

 1 

 2 



0.5 

 2 

 2 

 4 



0.5 

 5 

 1 

 7 

 1 

 4 

 2 

 1 

 1 

 2 



6 

 1 



7 



1 



2 



0.5 



2 



