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



Ft. In. 



Gray sandstone 1 



Red argillaceous shale and gray arenaceous shale 3 



Red and green ahale, as before 3 



Gray arenaceous shale • • • • ^ 



Red and green shale, as before 7 



Gray sandstone 3 



Red and green shale, as before 3 



Gray sandstone' 1 



Red or chocolate coloured argillaceous shale 2 



Gray sandstone 1 



Red and green shale, as before 5 



Red or chocolate coloured argillaceous shale 1 



Gray arenaceous shale 14 



Gray sandstone, rough and uneven 12 



(From the top of the succeeding bed spring several up- 

 right calamites,, 3 of them in the distance of 2 feet, 

 and 8 more — the whole 11, in the distance of 20 feet.) 

 Gray crumbly argillaceous shale, like underday but no 



stigmarice visible 2 



Greenish sandstone 



Red or chocolate coloured argillaceous shale 3 



11. Coal and carbonaceous shale 8 



Gray argillaceous shale, with stigmaria? ficoides (under- 



clay) 7 



Gray rough sandstone and arenaceous shale, in alternate 



layers 12 



Greenish gray sandstone 1 



Gray argillaceous shale 1 



Gray arenaceous shale 6 



Strong gray arenaceous shale and rough sandstone. ... 4 



Gray argillaceous shale 6 



12. Coal and carbonaceous shale 1 



Gray argillaceous shale, witht stigmarice ficoides and 



ironstone balls (underday) 2 



