WEST RAGGED REEF TO MINUDIE (1). — LOGAN. 421 



Ft. In. 

 Greenish gray sandstone, with plants converted into coal, 30 



Dark red shale, with thin beds of sandstone, 10 



Greenish gray sandstone, with thin conglomerate layers, 3 



Dark red shal?, 6 



Greenish gray sandstone, with beds of conglomerate, ... 55 



Dark red or chocolate coloured shale, 1 



Greenish gray sandstone, with much conglomerate and 



fragments of drift plants coated with coal, 50 



Dark red or chocolate coloured shale, 9 



Greenish gray sandstone, with conglomerate beds and 



carbonized drift plants, 14 



Dark red shale 5 



Dark red shale, with beds of sandstone, 15 



Greenish gray sandstone, with conglomerate beds, 20 



Greenish gray sandstone, wnth bands of red shale, 21 



Greenish gray sandstone, with conglomerate beds and 

 carbonized drift plants of large diameter, say one foot, 

 and wholly converted into coal. In many cases the 

 action of the surf against the base of the perpendicular 

 cliti" has worn deep holes or caverns, where the stems 

 lie prostrate in the reek. The plants are sigillarice, 

 so are nearly the whole of those already mentioned as 

 met with in the grits or conglomerates. Fragments 



of calamites are occa.sionally seen, 30 



Red or chocolate coloured shale, 10 



Greenish gray sandstone of a conglomerate character, 

 with many carbonized drift plants imbedded in it. 

 Some beds of grit in this, towards the bottom, have 



been found tit for grindstones, - 20 



Dark red or chocolate coloured argillaceous shale, 60 



Greenish gra}' sandstone inclining to yellow, chiefly of 

 a coarse grit and free texture : some of it must be 

 called conglomerate, the pebbles of which, consisting 

 of quartz of various colours — white, yellow, and red^ 



