490 CARBONIFEROUS ROCKS IN CUMB. CO. — LOGAN & FLETCHER. 



RECAPITULATION. 



Coal in 9 seams 10 



Carbonaceous shale associated with, the 

 coal, and in one instance without 

 coal, and then containing remains 

 of shells T 4 



Bituminous limestone with remains of 

 fish, and calcareous beds, associated 

 with the coal and carbonaceous shale 

 seams in one instance, and in six 

 instances independent 4 10 



Greenish and gray argillaceous shale, 

 associated in some instances with the 

 coal and carbonaceous seams 9 1 



Ft. In. 



22 1 



Underclay or understone, being beds of 

 various material, immediately sub- 

 jacent to the seams of coal and 

 carbonaceous shale, and invariably 

 penetrated by the recumbent branches 

 and radiating leaves of the stigmaria 

 ficoides. Every one of the coal 

 seams rests upon a stigmaria bed, 

 and there is one instance of thie 

 stigmaria bed without superincum- 

 bent coal. The material of which 

 the stigmaria beds consists, is as 

 follows : 

 Sandstone of a gray colour and 



crumbly quality 5 



Shale- 

 Gray argillo - arenaceous,' 



frequently fit for fireclay 50 

 Green argillvarenaceous . . 21 

 Red and gr en argillo-are- 



naceous IT 



88 



93 C 



