AVELL SECTIONS. 



313 



Thickness. Depth 



Feet. 



Brown-green clay, with alight sand 

 in layers, chalk [weathered Hint?] 

 pebbles from 558'-560'. Turri- 

 tella imbricataria, Pectunculus 

 pulvinatus, flint pebbles - - 21i 



Green -grey with some orange sand 

 slightly stratified in places, fossils. 

 Gerithium giganteum, Turritella 

 imhricataria . _ _ g^- 5/9 



^Bottom of bore at 571 feet. 



Water rises to 4' 4" below Powder Magazine, i.e. 10" below high-water 

 ordinary spring tides. The supply of water 



at 50' below Powder Magazine Floor is 10,800 gallons per diem. 

 „ 100' „ „ „ 23,000 „ 



Feet. 



Farm west of the Gravel Pits. Height about 25/ feet above 

 the sea. 



Staplers 



From information supplied by the farmer. 



Drift 



Middle p 



Hamstead 



Beds. 



West Cowes Waterworks. 7 chains east of Broadfield 

 above Ordnance Datum. 



From samples and measurements communicated 

 Messrs. Tilley & Sons. 



Height 165 feet 

 by Mr. Atkey and 



Thickness. Depth. 



Drift 10 feet - Gravel - . . . 



TGreenish clay (disturbed on one 

 I side of the well and containing a 

 drain at 23 feet) 



Lower 



Hamstead 



Beds 29 feet. 



Bembridge 

 Marls 116 feet. 



Bembridge 



Limestone 



9 feet. 



J Blue clay (a 2 inch seam of shells 

 ■^ at 30 feet) 

 Flat cement stone 

 Blue clay - . . 



Black shaly clay - - - 



Blue and green clay. A shell bed 

 with Melania muricata at 40 

 feet. Rock with Melanopsis 

 and Paludina lenta at 61 feet - 

 Stone and a little water - 

 Blue and green clay 

 "*! Cement stone - . - 



I Green shelly clay and shale with 

 I nodular stone at 110 feet. Very 

 I shelly ai; 115 feet 

 I Green clay and stone 

 l^BIue clay (pyrites at 127 feet) 



{Very hard freestone 

 White bed 

 Black brown and white clay 



Ft. 



10 



In. 







13 



Ft. In. 



10 



23 



