FIG. 4.-SECTI0N IN THE SELBORNIAN OF BLACK YEN. 



354 



" >y,:C J-X )--^ )• 



343* 



34 U 



Lowest layer of Cowstones. 



10. Grey, loamy, micaceous sand, with very little 

 glauconite, and with small patches of bright 

 red iron oxide ; becoming more argillaceous 

 lower down, and containing a few worm-tubes. 



Blue, loamy, glauconitic clay, with a little mica. 

 No fossils. 





Very hard, shaly loam. A few fossils. 

 — .' ~ i 7. Blue, loamy, glauconitic clay, with a little mica. 

 ~"'-^-~ 6. Very hard, shaly loam. [No fossils 



5. Blue, loamy, glauconitic clay, with a little mica. 



4. Very hard, shaly loam. A few fossils. [No fossils, 



i — z-D — e cn^ 



329 



321 



Bluish -black loamy clay, containing a little mica, 

 with fossils, becoming more argillaceous and 

 much more fossiliferous lower down. 



=5 



10 ft. 



2. Dark -green glauconitic loam, becoming sandier 

 lower down. No fossils. 



2 ft. 



4 m. 

 9 in, 

 4 in. 

 9 in. 

 4 in. 



10 ft. 



8 ft 

 shown. 



If 



32 ft. 6 in. 



