I "^^ I Alluvium.. 

 I^A^al Ashy Series. 

 l-yv;:'.:! Rhyolitic Series. 

 I I Tremadoc Beds. 

 TH Upper Dolgelly Beds. 

 \^****\ Andesi.tic Lava. 

 mill Lower Dolgelly Beds. 

 ^^^ Ffestiniog Beds. 

 Dolerite. 

 I Faults. 



