OS 



H. KEEPING AND E. B. TAWNEY ON THE BEDS AT 



Fig. 2.- 



ft. in. 

 5 



5 



6 6 



1 



5 



10 



2 



3 

 1 3 



i|-4 

 6 



5 



6-£ 

 2 



4 

 4-4| 



6 



1 6 



Vertical Section of Loiver-Headon (freshwater) Beds e, 

 betiueen Weston Chine and Warden Cliff. 



(Scale, 12 feet to the inch.) 



Limncea- limestone, in two beds, buff colour. 



How-Ledge bed; extends from How Ledge to Coast-guard 



Station. — L.fusiformis. 

 Lignitie or carbonaceous band. 



Pale grey clays, rather mottled. Paludina at intervals. 



{Alternating greenish and greyer clays, rather sandy below, 

 but more so above. Melania turritissima and other fos- 

 sils in layers at intervals, 



Unio-hed. 



Laminated grey sandy clay, with TJnio Solandri, Mel. turritissima. 



Stiff clays, grey or brown in places, 



Sandy grey clay, more sandy above, with Paludina lenta, Mela- 



nopsis brevis, Potamomya plana, TJnio Solandri. 



Pale whity-brown crumbling sand-rock, "i c deverdita 

 with strings of clay. / ^ Tena aeperdita. 



Ferruginous sand-rock, variable in thickness, with Lim ncea, &e. 



Concretionary calcareous sand-rock, 

 forms Warden Ledge. 



Limncea, Potamomya. 



White and whity-brown sands, Potamomya in layers at intervals. 



Stiff grey or sandy clay, with Potamomya crowded together. 

 Lignitie hand. 



Greenish clay. Potamomya gregaria. 



Buff-coloured limestone, with Limncea. 

 Lignitie or carbonaceous band. 



Greenish-grey clays. 



Soft crumbling buff limestone, with Limncea longiscata. 



Grey marly clay. 



Buff limestones, with Limncea. 



Greenish clay. 



[bed. 



Buff compact limestone, with Cliara-see&s (Gyrogonites) Chara- 

 Whity-brown sand-rock, with lignitie band below. 

 ...Buff limestone, with a few Cktra-seeds. 

 •••Carbonaceous layers. 

 Green clay (behind wall at Pier-head). 



...Green clay, a little south of Coast-guard boathouse. 

 •"Nodular purple-red ironstone band. 

 Pale yellowish or whity-brown sands. 



Total 70-71 feet. 



