C— GEOLOGY 



89 



wood Gap to the Alne valley during the Stratford stage of the Great 

 Eastern Glacier (Tomlinson). 



Ice approximately in the position shown for this stage could also account 



Fig. 5. — Possible successive stages of retreat of the Second Welsh and of the 

 Great Eastern glaciers. Horizontal ruling indicates glacial lakes ; one- 

 barbed arrow, Bushley Green Terrace of Severn, and Wolvercote Terrace of 

 Evenlode ; two-barbed arrows, Avon No. 5 Terrace ; three- and four-barbed 

 arrows approximate to the Kidderminster Terrace. 



for the Cole valley lake, the Moseley gravels, and the barrier of sands 

 which turn the river eastwards near Castle Bromwich. Fig. 5 also 



