4 6 



MIDDLE ALBIAN STRATIGRAPHY 



LI t h o I ogy 



Ft Ins M 



Deeply weathered gr«y clay the detailed lithology of which is 

 obscure. In the upper 1 foot the sediment consists of dark grey 

 clay This is followed by Division A of the Upper Greensand. 



Very glauconitic sllty weathered clay. 



Dark silty, micaceous, glauconitic, sparsely shelly clay becoming 

 more glauconltic in the upper 3 feet. 



Darkish fine-grained micaceous clay becoming darker upwards 

 with increase of the silt and very f i ne-grained glauconitc fraction, 

 No fossils seen. 



Fawnish silty clay containing plant remains at top. 



Bed 6 becomes tougher and more silty with scattered pockets 

 of glauconitic silt. Bed 7 in turn passes by wisps into Bed 8. 



Darkish grey micaceous silty clay with obscure pyritic shell 

 f ragments. 



Fawn gritty clay. 



Dark grey micaceous gritty clay. 



Fawn gritty clay band with black septarlan phosphatlc nodules. 



Hard blocky silty dark grey clay micaceous and weathering 

 battleship grey. 



Dark gray slightly mottled clayey fine grained micaceous loam, 

 weathering light grey. 



BASE OF THE GAULT 



Glauconitic micaceous fine soft silty sandstone with pip«s of dark gr«y clay; 

 b J?S«WA th *r?. f « rr| Jginous. Small pebblc-s in clay e y bottom 6-8 incnes. Sandy 

 nnosphol cs of top. _ 1__ 





20- 



10 



6 



2 







9 



°15- 



6 









- 



A 



6 - 





10- 



A 



6 



6 



- 



8 









5- 



4 



o - 



1 



6 . 



3 



2 



A 



4 



1 



9 





J 



Fig. 20. Section of the Gault exposed in the sea-cliff about 200 yds NW. of Compton Chine, 

 Compton Bay, Freshwater, Isle of Wight (SZ 36708524) . 



