44 



MIDDLE ALBIAN STRATIGRAPHY 



LI t h o log y 



Weathered mottled grey clay. 



Ferruginous marl band with phosphatic nodules. 



Dark grey clay streaked with ochreous seams. 



Ochreous clay with occasional lenticles of ferruginous 

 marl & large spherical or elongated septarian phosphatic nodules. 



Ochreous mottled clay passing down into Bed 9 below. 



Highly ferruginous marl. 



Dark grey clay with partly phosphatised fossils the shells 

 being replaced by films of pyrlte. 



Fawn— grey clay with occasional scattered phosphatic 

 nodules. At base part-phosphotlsed fossils occur with pyrltic shells^ 



Dark grey clay. 



Fawn grey clay. 



Dark gritty glauconitic clay. 



Fawn grey sllty clay with burrows of dark grey clay and 

 crushed pyrite replaced shells of Inoceramus concenfricus. 



Glauconitic dark grey micaceous clay with streaks of 

 glauconite sand. 



(ll)Streaked grey gritty clay with pockets of sand & glauconlte. y/ 



(i) Lenticles of false-bedded glauconitic pebbly loam. 



7 



TOP OF CARSTONE 

 Variegated dark and light brown ferruginous grit separated 

 from Bed 1 by a thin seam of iron pan. Top few Inches with 

 many small pebbles and thin seams of pan. Gritty pale 

 phosphatic nodules occur scattered at about middle. Nine 

 inches from base there occur crushed ammonites, rarely 

 part-phosphatlsed, with the shell. 



Ins M 

 



1-2 9- 



3-4 



8- 



9-10 



— 1CM2 



— 9 5 



— 10-19 



3- 



2- 



— 



5 





0-6 



3 



8 





to 



4 



6 



oJ 



Fig. 19. Middle Albian sediments at Island Bricks Ltd's Rookley Brickworks, situated 

 600 yds ESE. of the school, Rookley, and 150 yds NW. of the A 3020 road, South Arreton, 

 Isle of Wight (SZ 5I338395)- 



