WEST RAGGED REEF TO MINUDIE (6).- — LOGAN. 477 



Ft. In. 

 Red argillo-arenaceous shale, with thin bands of red 



arenaceous shale and red sandstone 30 



Black calcareous bed, no shells visible 1 



Red and green variegated argillaceous shale 6 



Green arenaceous shale 1 



Red arenaceous and argillaceous shale, in alternating 



beds 4 



Red argillaceous shale 6 



Reddish grav sandstone 6 



Red argillaceous and arenaceous shale 10 



Red and green variegated shale and sandstone 15 



Red and green argillaceous shale 4 



Red and green variegated sandstone 2 



Red argillaceous shale 12 



Red and green calcareous band 6 



Green arenaceous shale, mixed in patches with red are- 

 naceous shale 9 



Red arenaceous shale of a crumbly character 12 



Dark gray argillaceous shale, with ironstone balls 5 



1. Calcareous shale 1 



Dark gray argillaceous shale 3 



Coaly clay , 2 



4 2 



Reddish and dark gray argillaceous and arenaceous shale, 



crossed by stigmarice leaves (underclay) 6 



Gray argillaceous shale 2 



Dark gray argillo-arenaceous shale, of a fine smooth 



quality (bluestone) 7 



Greenish gray or drab coloured sandstone, fit for grind- 

 stones 10 



Gray arenaceous shale of a fine quality, in even beds . . 8 

 Dark gray argillo-arenaceous shale, of a fine smooth 



quality, such as usually covers grindstone beds .... 3 



