WELL SECTIONS. 



309 



St. Helens, Nearly half a mile south-east of the Church. Height about 

 150 feet above the sea. Sunk 15 feet, the rest bored. 



Sunk and communicated by Mr. Parsons. 



Thickness. Depth. 



Hamstead 



Beds P 

 15 feet (?) 



Feet. 



Bembridge 



Marls 

 118Heet(.?) 



< 



Blue slipper, black at base [no 

 specimens] - _ . 



'Green and brown clay 

 Stone (3 or 4 inches) 

 Blue clay (sheUy at 100 feet) 

 Green clay . . . 



Green clay and marl 

 Green clay ... 



Brown clay . - - 



Green clay ... 



Mottled brown and green clay 

 Green clay ... 



Green marl _ . _ 



Green clay ... 



Green stone . - _ 



Dark marl and black clay 

 Green clay 

 Green stone and clay 

 Brown carbonaceous clay 

 Black shelly clay ... 

 Black clay with Serpula - 

 Dark-green shelly clay with Cyrena 

 Black clay ... 



[_Green clay and pyrites 



{Freestone . - . - 



Greenish grey clay 

 Sandy clay . . . 



Freestone - - - . 



f Dark green clay - - . 



' Very dark green clay 



Do. sandy 



Dark green and brown clay 

 Green sandy clay and sandstone - 

 Grit - . . - 



Fine-grained sandstone - 

 Blue sandstone ... 

 Buflf sandstone - . - 



Rock - - - - 



BufF sandstone ... 

 l^Hard sandstone - - - 



No fossils from the first 15 feet could be found among the waste 

 fragments of the Black Band. A thin black seam is said to have been passed 

 through at 15 feet, but samples were only preserved below that depth. 

 Perhaps the first 133^ feet is entirely in Bembridge Marls. 



St. Helens. North-east of the Station. Height about 5 feet above 

 high-water. 



Sunk and communicated by Mr. Parsons. 



Thickness. Depth. 



Bembridge 



Limestone 



16 feet. 



Osborne Beds 



(St. Helen's 



Sands) 



25i feet. 



< 



Feet. 



f Blue marl with Ostrea vectensis, 



Bembridee Cyrena obovata, C. obtusa, C. 



■x/i ] •> semistriata, Mvlania muricata, 



I Cerithium mutabile, Serpula 



[_ tenuis . - . . 



Bembridge It- j. 



Limestone. | Limestone - - - 



Osborne Beds Blue and various coloured clays • 



Feet. 



28 



9 



11 



Feet. 



28 

 37 

 48 



