224 



DRIFT DEPOSITS OF MANCHESTER 



Table of Rocks from the Till near Manchester. 



Granites, Greenstones, 

 and other igneous 



ROCKS 



Angular 



Partly rounded 



Rounded 



Slates and Silurian 



Rocks 



Angular 



Partly rounded 



Rounded 



Mountain Limestones. 



Angular 



Partly rounded ... . 

 Rounded 



Coal Measures 



Angular 



Partly rounded 

 Rounded 



New Red Sandstones , 



Angular 



Partly rounded ... . 

 Rounded 



Striated Rocks 



21 



19 



49 



100 



13 



27 



50 



100 



27 



17 



49 



100 

 1 



3.66 



9 



8.33 



25.33 

 19 

 5 



2 



0.66 







21 



21 



49.33 



100 



1.66 



The stones from Openshaw are from the east, 

 those of Strangeways from the north, and those 

 of Regent Road, near the Infantry Barracks, from 

 the west of Manchester ; so the mean of the three 

 will give a fair average of the rocks found in 



