WEST RAGGED REEF TO MINUDIE (6). — LOGAN. 475 



RECAPITULATION. 



Ft. In. 



Sandstone — 



Greenish gray, with oceasional drift 



plants carbonized 28 



Greenish gray, with concretionary 

 limestone, having the aspect of 



conglomerate . -JO 



4S 



Reddish gray, with occasional drift 



plants carbonized 10 I- 



Reddish gray, with concretionary 



limestone . 10 



— 120 



Shale- 

 Red argillaceons G-IO 



Red arenaceous 230 



870 



Green argillaceous 4 



874 



Measures not well exposed, but probably composed 



of red shale and sandstone 740 



2082 



G 



Greenish gray or drab coloured sandstone, fit for 

 grindstones of good quality, which are extensively 



quarried from it. This is called the South Reef. . 50 



Red argillaceous shale 14 



Red sandstone 20 



Measures concealed, probably red shale 2 



Red sandstone 3 



Red sandstone, with proljably red shale on the top .... 7 



