91 



Granite. 



Lowest (red) secondary 



sandstone. 

 In Aberdeenshire : at Kil- 



drummy. 



Granite. 

 Argillaceous 



c? 



(clay slate 

 wacke). 

 In Cornwall. 



schist : 

 or gray- 



Granite. 



Argillaceous schist : 



(clay slate and gray- 



wacke). 



Lowest red sandstone. 

 In the Isle of Man. 



Granite. 



Argillaceous schist. 



Conchiferous limestone : 

 (above the red sand- 

 stone); lias? 

 In the Isle of Man. 



Argillaceous schist. 

 Gneiss. 



Argillaceous schist. 

 In Isla, and in Rosshire 

 and Sutherland. 



Gneiss. 



Primary sandstone. 



Conchiferous limestone : 



above the lowest (red) 



sandstone: lias. 

 In Sky. 



Gneiss. 



Secondary sandstone, 

 (red, lowest). 

 Superior sandstone and 



limestone (lias). 

 In Inch Kenneth. 



Gneiss. 



Primary sandstone. 

 Quartz rock. 

 Gneiss. 

 In Sutherland. 



Gneiss. 

 Quartz rock. 

 Limestone, bituminous., 



or containing organic 



remains. 

 Quartz rock. 

 Gneiss. 

 In Sutherland. 



