WEST RAGGED REEF TO MINUDIE (3 . — LOGAN. 439 



Ft. In 



ficoides. Eveiy one of the Coal and Carbonaceous 

 seams rests upon a bed of this description, and in two 

 cases stiginariag beds exist without superincumbent 

 coal. The material constituting the stigmarise beds 

 is as follows : 



Sandstone — Gray 23 3 



Drab 43 



QQ 3 



Argillaceous and arenaceous shale, hav- 

 ing often the character of fireclay — 



Gray 58 4 



Greenish gray 7 



Red and occasionally green 42 



107 4 



173 7 



Sandston^Gray 82 



Greenish gray, chiefly fit for gTind- 



stones 657 



Reddish, of various shades 204 



943 



Shaie — Gray- Argillaceous 92 6 



Arenaceous 44 



136 6 



Red and green — 



Argillaceous 564 



Arenaceous 104 9 



668 9 



80-5 3 



Measures concealed, supposed to be chiefly shale. . . .203 



2,134 

 (Among the organic remains visible are one oblique and 

 two upright calamites, and one upright sigillaria. 

 One topstone bed of shale contains impressions of 

 ferns. ) 



