﻿84 DR. WOOLACOTT ON THE SUPERFICIAL DEPOSITS, ETC. [Feb. I905, 



The principal borings near the line of the pre-Glacial ' Sleekburn 

 Valley ' are : — 





Altitude. 



Depth of 



superficial 



deposits. 



Height of rock- 

 surface above, ! 

 or depth below, ! 

 sea-level. 



Morpeth 



Feet. 

 90 



105 



120 



50 



28 



Feet. 

 103 



116 



126 



143 



90 



Feet. 

 -13 



-11 



- 6 



-93 



-62 



Choppington (south) 



Choppington (north) .. 

 West Sleekburn 



Cambois 





Although the connection cannot be proved by borings, the field- 

 evidence and the exposures of rock in this part of the country show- 

 that the ' Sleekburn Valley ' is probably a continuation of that of 



Fig. 8. — Section across the pre-Glacial 'Sleekburn Valley,' 

 between North Seaton and Bebside. 





s^ 



CJ 





->> 



>. 











<U 



<D 











"5 



O 





OO 





c 



C 









O 





ni 



CO 





(i) 



<u 





CO 



CO 





c 



j= 



N. 







O 



North 



z: 



^ 



Seaton 



1 



1 



s. 



£ co 



Bebside 



VERTICAL SCALE 



200 30 FEET 



[The course (XY) of the section is indicated in the map (fig. 7, p. 82). The 

 valley is carved in Coal-Measures, the lines representing which are con- 

 ventional : the superficial deposits have been left unshaded.] 



the Font. The valley of the latter river is pre-Glacial in origin, 

 and now contains a considerable thickness of Boulder-Clay. On 

 either side of the pre-Glacial ' Sleekburn ' lie the Eivers Wansbeck 



