THE NEIGHBOURHOOD OE BANGOR. 



481 



Fig. 1. 



S.S.W. 



-Sketch Section to illustrate the General Succession of the Beds as maintained, 

 by the Author. (Scale 2 inches to 1 mile.) 



N.N.E. 



For explanation, see Map, fig. 2. 



Fig. 2. — Sketch' Map of Bangor district, founded on the Geological 

 Survey Map, from which the Faults (except the hypothetical one 

 N.W. of the Caernarvon Road) are taken. (Scale 1 iDch to 1 mile.) 



Ordovician. 

 E^il Cambrian ? 



|»M Cambrian conglomerate (D). 

 r--^- Bangor series. 

 [52 Cae-Seri Breccia (C). 



HL Grits * 



^ Tairffynnon Breccia (B). 

 HI Slates and pink grit. 

 H Felsite Grit (A). 

 ■ Felsite. 



The black lines indicate faults. 



