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



Ft. In. 



Gray rough sandstone 1 



Gray argillaceous shale 2 



Greenish gray or drab coloured sandstone ; grindstones 

 have been quarried from this, but they are too hard 

 for the best quality. This constitutes Coal Mine 



Point 30 



Gray argillaceous shale, with balls of ironstone 3 



Greenish gray sandstone 1 



Gray argillaceous shale, with balls of ironstone 8 



14. Coal 3 



Carbonaceous shale 2 



Coal 3 



8 



Gray argillo-arenaceous shale, with 



stigmarioe ficoides (underclay) ... 60 



Carbonaceous shale 4 



Gray argillo-arenaceous shale, with 



stigmarice (underclay) 1 



Carbonaceous shale 8 



Coal 2 



2 2 8 10 



Gray argillo-arenaceous shale, with stigmarice ficoides 



{'unclerclay) 2 6 



Greenish gray sandstone 2 



Gray argillo-arenaceous shale, with bands of sandstone 2 

 (From the succeeding bed there spring up erect cata- 

 mites, penetrating the above bed 2 feet ; 2 of them are 

 within 2 feet of one another, and there are 7 more in 

 the space of 8 feet.) 



15. Carbonaceous shale 1 



Coal 4 



1 4 



Gray crumbly sandstone and shale, with stigmarice 



{imderclay) 2 



