WEST RAGGED REEF TO MIXUDIE (3). LOGAN. 429 



Ft. In 



Tough arenaceous shale, with stigmarice ficoides in the 

 upper part in two layers, a hard and a soft one 



(iinderstoue) 12 



Red and green crumbly tough shale of the quality of 



underclay, but no siigmarice visible 11 



Greenish gray sandstone, in four thinly laminated divis- 

 ions, separated by red and green shale 30 



Gray sandstone and red shale in thin beds 10 



Red and green shale 9 



Greenish frray sandstone, with red and green shale. ... 4 

 Greenish gray sandstone, in regular beds of three feet 



and upwards 17 



Red shale, varyina; from two to seven feet thick 5 



Greenish gray sandstone 4 



Greenish shale 1 



Gray sandstone and shale 4 



Dark greenish red shale 2 



Greenish gray sandstone 1 



Dark green and red shale 1 



Greenish gray or drab coloured sandstone, fit for 



grindstones, fonning a reef 25 



Reddish shale 8 



Greenish gray sandstone, in three beds, and gray shale 



in beds of one foot each 20 



Gray shale, with two beds of greenish gray sandstone of 



one foot each 20 



(Into the above penetrate two upright stems (calam- 

 ites), two inches in diameter; and replaced by sand- 

 stone with a coating of coal; they start from the top 

 of the succeeding bed.) 



Dark gTay argillaceous shale 8 



5. Coal 2 



Gray argillo-arenaceous shale (fire clay?) with sfig- 



marice ficoides (understone) 1 fi 



