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SUCCESSIONS AMONG THE PRIMARY ROCKS. 



Granite. 

 Gneiss. 

 Limestone, 

 Quartz rock. 

 In Glen Tilt. 



Granite. 



Primary sandstone. 



Secondary strata, with 



coal. 

 In Sutherland. 



Granite. 



Limestone. 



Quartz rock. 



Micaceous schist. 



Gneiss. 



In Glen Tilt. Hornblende 

 schist also occurs in 

 any part of this series. 



Granite. 

 Argillaceous schist : 



(clay slate, and fine 



graywacke). 

 Gneiss. 

 Inlona: in BamfFshire. 



Granite. 

 Gneiss. 



Primary sandstone. 

 In Sutherland. 



Granite. 



Micaceous schist. 

 Secondary strata. 

 In Arran. 



Granite. 



Argillaceous schist. 

 Secondary strata. 

 In Arran, and in Aber- 

 deenshire. 



Granite. 



Micaceous schist. 

 Quartz rock, or else the 



quartz rock next to the 



granite. 



Granite. 



Gneiss. 



Calcareous sandstone, 



including shale and 



coal. 



In Mull, and in Glen Tilt. In Morven and in Mull. 



