WEST RAGGED REEF TO MINUDIE [{]). — LOGAN. 483 



Ft In. 



Graj arenaceous shale 4 



Greenish gray sandstone . 4 



Greenish gray soft flaggy sandstone, scarcely standing 



the weather 14 



Greenish gray sandstone, in regular beds 27 



Measures concealed, but no doubt soft, probably argil- 

 laceous shale, with a mixture of arenaceous 100 



Gray arenaceous shale 8 



Gray argillaceous shale 6 



Greenish gray sandstone, fit for grindstones. This has 

 been quarried to a considerable extent, and worked 

 deep into the bank. It is the best quarry of this 



reef, but the stone is rather too hard 10 



Greenish gray sandstone of grindstone quality 6 



Greenish gray sandstone. This has been worked for 



grindstones, but the quality is rather hard 14 



Greenish gray sandstone fit for grindstones, but rather 

 too hard. This bed exhibits spherical concretions in 

 some part?, some of which are G to 8 inches in diam- 

 eter. These grindstone beds constitute what is called 



the Upper Cove Reef IS 



Greenish gray sandstone 34 



Greenish gray sandstone in flaggy beds 49 



Greenish gray sandstone of a stronger quality 8 



Greenish gray sandstone in flaggy beds 15 



Greenish gray sandstone 34 



Greenish gray argillaceous shale 9 



Greenish gray sandstone. This constitutes Boss Poi^stt 42 



Greenish gray sandstone 6 



Greenish gray sandstone, with drift plants coated with 



coal 12 



Greenish gray sandstone in regular beds 28 



Greenish gray sandstone, with carbonized drift plants 7 



Pkoc. & Trans. X. S. Inst. Sci., Vol. XI. Trans. !FF. 



