12 



Geology. 

 Section in the Cemetery Brickfield, 1906. 



The figure is reproduced by the kindness of the Council of the 

 Geologists' Association. 





a. 0-5 ft, Blackheath pebble-bed. 



b. 5-7 ft. Thinly and evenly bedded \ 

 sands with thin clay-partings. 



c. 8 ft. Light-coloured sands with thin 

 clay-parting?. 



d. 6 ft. Stiff, dark clay, with CYRENA, 

 OSTREA, etc. 



e. 10 ft. Fine light- grey sand, very 

 compact ; in the lower part thin 

 clay-partings appear. 



f. 13 ft. Stiff greenish loam with a few 

 widely scattered pebbles ; the bot- 

 tom part becomes more clayey. 



g. 6 in. Irregular bed of small rounded 

 flint pebbles splashed into the 

 underlying sand. 



h. 56 ft. Fine white sand. 



i. 6 in. to I ft. " Bull head " bed, green- 

 coated flints and ferruginous clayey 

 material. 



k. Chalk. 



