434 CARBONIFEROUS ROCKS IN CUMB. CO. LOGAN & FLETCHER. 



Ft. In. 



14. COAI 4 



Gray argiUo-arenaceous shale, with ironstone 



balls and stigmarice ficoides {underday) . . 10 



Coal 2 



2 



Gray argillaceous shale, with ironstone balls and stig- 

 marice ficoides (underclay) 7 



Gray argillo-arenaceous shale, with ironstone balls and 



stigmarice ficoides {underclay) 1 



Greenish gray sandstone 1 



Greenish gray sandstone and red and gray argillo-aren- 

 aceous shale. The sandstone is not in thick beds. 

 'Ironstone balls and stigmarice ficoides are foiuid 

 through the whole deposit 40 



Greenish gray argillaceous shale 3 



15. Carbonaceous shale 2 



Gray argillaceous shale, with ironstone balls 



and stigmarice ficoides (underclay) 1 



Coal 1 



1 3 



Gray argillaceous shale, with ironstone balls and stig- 



marice ficoides (underclay) 3 



Greenish gray sandstone^ with three bands of red and 



gray shale, loaded with ironstoyie balls 12 



Gray argillaceous shale 1 



16. Coal and carbonaceous shale 2 



Red argillaceous shale, with ironstone balls and stig- 

 marice ficoides (underclay) 7 



Greenish gray sandstone 10 



Red and green shale 2 



Rough gray argillaceous sandstone 2 



Red aind green shale 2 



Rough greenish gray argillaceous sandstone 1 6 



Red and green shale 2 



