OF THE PARIS BASIN. 



27 



Fig. 9. — Middle Sables Moyens : Horizon of Beauchanip. 



Section near Ver, road to Ermenonville. 



20 Vegetable Earth, very sandy 



19 Yellowish white sand 



18 Argillaceous, ferruginous sand . 



'^ Yellowish white sand 



Argillaceous, ferruginous sand 

 Yellowish white sand 

 Sandy ferruginous clay 







(■Alternations of yellowish white sand, 

 13 - ferruginous sandy clay, with bands of 



I clayey sands, current bedded . 





6 6 



12 Argillaceous, ferruginous sand passing 



to sandy clay in parts of the pit .14 



11 Greenish yellow sand with black grains 



ofglauconite . . . . .14 

 10 Sandstone ( ^vith fossils, A'atica, Turri- 

 9 Sand, white ' tella and Meretrix . i 2 



rSand, without fos?ils, with white points 

 I where Foraminifera and Mollusca 



8 -l have decayed. Black tubes in the 



I sand, coloured with oxide of Man- 



V ganese . . . . . -35 



" Yellowish green sand, without fossils 

 g. Blackish sand,coloured with oxide of Man- 

 ganese ...... 



5 Very fossiliferous sand. Cardium im- 

 peditiitn, Denialium and Olivella 



Pure white sand, without fossils 



( Yellow or brown sand with very varied 

 1 fossils, Meretrix elegans, Tenagodes and 



^ Corbula gallica ..... 



Rich yellow sand, forming a friable sand- 

 stone, with fossils — Syciun bulbiforme 



1 White sand, without fcjssils (base not 

 seen), 6 ft. 6 in. visible. 



From Dr. Hovelacque's notes. 



