478 CARBONIFEROUS ROCKS IX CUMB. CO. LOGAN & FLETCHER. 



Ft- Tn. 



Greenish gray sandstone, fit for grindstones. The top 

 part contains large spherical concretions of harder 

 sandstone, with a rusty exterior, and concentric varia- 

 tions of colour. This constitutes Bacon Ledge .... 54 

 Greenish gray sandstone, with a vast number of drift 

 plants with a coating of coal. It holds also patches 

 of limestone concretions, which have much the aspect 



of a conglomerate 10 



Dirty green calcareous concretionary bed. This has so 

 much the appearance of a conglomerate bed with lime- 

 stone pebbles^ that there is some doubt whether it be 

 not so. It is a very irregular bed and holds carbon- 

 ized plants 4 



Reddish green a rgillo- arenaceous shale 1 



Greenish arenaceous shale of a hard quality, probably 



fireclay, crossed by stigmarice leaves (underday) ... 8 

 Red and green variegated argillaceous shale, with 2 feet 



of sandstone S 



Red arenaceous shale vn\\\ gTeen spots 5 



Green arenaceous shale 1 



Red arenaceous shale 1 



Green arenaceous shale 1 



Red argillaceous shale 2 



Red and green arenaceous shale 2 



Red argillaceous shale 1 



Greenish gray arenaceous shale 3 



Red and green arenaceous shale 2 



Red argillaceous shale 3 



Greenish gray arenaceous shale 4 



Green clay 1 



Red argillaceous shale 6 



Reddish sandstone 1 



Red argillaceous shale 5 



Gray argillaceous shale 2 



