WEST RAGGED REEF TO MINUDIE (4). — LOGAN. 459 



Ft. Tn. 



Red and g:reen arenaceous shale Y 



"Reddish sandstone 1 



Ked argillaceons shale 3 



Red and green argillaceons shale, with bands of sand- 

 stone 25 



Red sandstone i 



Red and green shale, with bands of sandstone 12 



Red and green sandstone 4 



Red and green argillaceons shale, with bands of reddish 



sandstone 15 



Red and green sandstone and shale 3 



Red or chocolate colonred shale, with large balls of red 



argillaceons ironstone 12 



Red and gTeen sandstone, separated by bands of red and 



green argillaceons shale of abont 1 foot each 30 



Red or chocolate coloured argillaceous shale, with some 



balls of red argillaceous ironstone 12 



Reddish sandstone 1 



Red argillaceous shale 1 ^ 



Red sandstone 2 



Red argillaceous shale 2 



Reddish sandstone 1 



Red argillaceous shale, with a band of sandstone 12 



Gray sandstone with ironstone nodules and stigmariw 



leaves (underclay) 10 



(From the succeeding bed rises 2 upright sigillarlce. The 

 roots of one of them spread out just on the top of the 

 bed, and 2 feet of the plant are visible. The roots of 

 the other spread out likewise, but they sink deeper 

 into the shale by 2 feet, and the plant penetrates 

 further into the superincumbent sandstone. See fig. 

 7 [of the original cuts.]) 

 Red and gray variegated shale, with small balls of iron- 

 stone and stigmarice (underclay) 28 



