HE ADO N HILL AND COLWELL DAY IN THE ISLE OF "WIGHT. 



103 



Fig. 3. — Vertical Section of Upper Headon Beds in Col well Bay. 

 (Scale, 8 feet to 1 inch.) 



ft. in. 

 15 



15 



6-9 U 



2 4 



1 4 

 1 6 



1 



(' 1 1 



1 f y 











1 







Light-grey clays, with layers of sheUs. i Faludina lenta, Pota- 

 ° ° J J J \ momya gregaria, &c. 



Pale brownish-grey and light-brown clays in alternations. 



Nodular band of ferruginous sand-rock. 



Whitish sand above, yellow and f ^ 

 rusty sand below. 



Buff-coloured 

 below. 



Corbicula obovata, Oy- 

 rena Wrightii. 

 rena Wrightii, Faludina 

 lenta, Corbicula obovata, 

 Melanopsisfustformis. 



Xi/Mi^a-limestone, with carbonaceous layer 



Zone of Cerithium trizonatum. 

 Pale greenish clay. 



Ferruginous sand layer. 



Paler sandy clays. 



Stiff slate -coloured grey clay. ■ 



Cyrena Wrightii, Corbicula obo- 

 vata, Me'lanopsis fusiformis, 

 Faludina lenta. 



Varying alternations of paler and darker grey clays 



Pale buff-coloured sands, with lignitic or carbonaceous bands. 



Greyer sands below. Fotamomya. 



Total. 



m feet. 



i2 



