WEST RAGGED REEF TO MINUDIE (4). LOGAN. 441 



Ft. In. 



4. Coal 9 



Carbonaceous shale 6 



Coal 1 



Carhonaceons shah 4 



Coal 1 



Carbonaceous shale 8 



Coal 2 



2 7 



Gray argillaceous shale, no stigmarice visible, but 

 across the bed appear two parallel regular 

 cracks, about ^ of an inch wide each, and 

 about 18 inches apart, filled with coal, the 

 fibre of which is at right angles to the cracks. 

 This may be the section of an upright stem. . 1 7 



Coal 8 



4 10 



Hard gray argilloarenaceous shale with stigmarice 



ficoides (underclay) 4 



Greenish argillaceous shale, with ironstone balls 12 



Gray sandstone in several layers 1 



Red and green argillaceous shale, with ironstone balls. . 20 

 Gray sandstone and green shale in alternating layers. . 24 



Red or chocolate coloured argillaoeious shale 3 6 



(From the succeeding bed rises an upright sigillaria one 

 foot in diameter; two feet of it are seen penetrating 

 the bed above.) 



Gray argillaceous shale 1 6 



Gray sandstone in thin beds 8 



Gray argillaceous shale 8 



5. Bituminous limestone^ with shells 2 



Coal 0| 



Gray argillo-arenaceous shale, with ironstone 



balls and stigmarice ficoides (underclay) . 6 

 Carbonaceous shale 0^ 



