SUBZONES 



SANDLING FOLKESTONi 



Subzonal correlation lines 

 Lithological correlation lines 



Fig. 3. Correlation of sections in Kent and east Surrey. 



w, 



crista turn 





daviesi 



v, 



nitidus 











111 



nio b e 



II 

 l(vll) 



intermedius 



(vl) 



spathi 





tvotli 



ti> 



POrientqttfS 



