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



Ft. In. 



Green argillaceous sliale, with many coarse nodules of 

 clay ironstone, all small, and impressions of stig- 

 mariw leaves crossing the bed {under clay) 5 



41. Black calcareo-b ituminous shale with shells 8 

 Black calcareo-hituminous shale, more cal- 

 careous, with shells 2 



Black calcareo-hituminous shale, less cal- 

 careous, with shells 1 



Carbonaceous shale, with laminae of coal. .16 



Gray argillaceous shale, with stigmarice 



(underclay) 3 



Carbonaceous shale 1 



6 5 



Gray argillaceous shale, with stigmarice (underclay) 2 

 Greenish gray argillo-arenaceous shale, in alternate 



hard and soft layers, with stigmaricB leaves {under- 

 day) 2 6 



Greenish gray sandstone 2 



Dark gray argillaceous shale, studded with ironstone 



nodules 4 



42. Carbonaceous shale 1 



Black bituminous limestone, with shells 



replaced by pyrites 2 



Coal 3 



Carbonaceous shale 1 



Coal 1 



Gray argillaceous shale, with stigmarice 



{underclay) 1 



Coal 2 



4 2 



Dark gray argillaceous shale, with stigmarice {under- 

 day) 5 



Red argillaceous shale, wath some green bands, and 



studded with ironstone balls 25 



E;eddish sandstone 1 



