88 



Guide to Belfast. 



The Pleistocene Period. 

 Glacial Deposits. — Our district presents many prob- 

 lems for the glacial geologist. Boulder clay is widely 

 distributed over the surface of the country. Fine sections of 

 these clays are exposed in the numerous brickfields around 



y. St. 7. r.tuiirs. 



CONEY ISLAND. 



Sections of Boulaer Clay overlain liy Consolidated Sands and Gravels 

 ("dacial Stri?e on Rocks in furejjroiinc!. 



