4« 

 Bed 



12 



11 

 10 



MIDDLE ALBIAN STRATIGRAPHY 



Llthology 



Weathered blocky marly clay with ferruginous streaks. 



Homogeneous light grey clay tending to be hard and blocky 

 with occasional streaks of silt. Pyritic shell seams occur 

 at 4 and 11 feet above the base and contain Inoceramus 

 concenlricus 



Y 



A 



Grey blocky micaceous silty clay with streaks of white silt at 

 base. A pyritic shell seam occurs 2 inches from base. 



Homogeneous grey silty clay. 



Tough grey silt 



Light fawny grey silty clay with pyritic fossils. 



Grey silt. 



Fawn clay with dark burrows. 



Soft dark grey silty micaceous clay with some fine 

 glauconi t e 



Tough silty homogeneous fawnish clay. 



Badded pyritic silty clay; the top 4 inches being more silty 

 and g lauco n i t ic. 



Blocky grey silty micaceous clay. ,i. 



Obscured interval 



Mottled pyritic clay, 



Obscured interval 

 with 



mottled weathered greyclay at the base 



Dark grey-brown blocky loam with grey clay streaks. 



Remainder of CARSTONE 



Ft Ins M. 



16 6 



Fig. 2i. Gault section in cliff below old coast road 50 yds NW. of Cliff Cottage and 

 360 yds SSE. of Blackgang Hotel, Blackgang, Chale, Isle-of- Wight (SZ 48877644). 



