476 CARBONIFEROUS ROCKS IN CUMB. CO. — LOGAN & FLETCHER, 



Ft. In. 



Measures concealed, but said to ])e red ari^illaceous and 

 arenaceous shale, with occasional beds of red sand- 

 stone 103 



Dark gray argillaceous shale, with a small quantity of 

 fine grit in it. This would be called a fine bluestone 

 in some parts of South Wales. At the Joggins, there 

 is usually a bed of it above a good grindstone reef. . 4 

 Greenish gray or drab coloured sandstone, fit for grind- 

 stones of the very best quality. The whole reef has 



been quarried away up to the bank 36 



Greenish gray sandstone, fit for grindstones of good qual- 

 ity. This has been much quarried 17 



Greenish gray sandstone, fit for grindstones. This has 



been very much quarried 7 



Greenish gray sandstone, fit for gTindstones. This and 

 the preceding greenish gray sandstones constitute 



what is called the I^okth Reef 9 



Red and g-reen argillaceous shale 18 



Red sandstone of a soft quality 6 



Red argillaceous shale 14 



Red argillaceous and arenaceous shale, with 6 bands 



of red sandstone 27 



Greenish gray sandstone 7 



Red argillaceous shale 6 



Red sandstone 4 



Red arenaceous shale 4 



Red argillaceous and arenaceous shale 10 



Red argillaceous and arenaceous shale and red sand- 

 stone, in alternating beds 12 



Red argillaceous shale, wdth 2 small beds of red sand- 

 stone 21 



Red sandstone, with bands of red argillaceous shale. . . 9 

 Red arenaceous shale, with bands of red sandstone. ... 6 

 Red sandstone 1 



