222 



ME. L. D. STAMP ON THE HIGHEST [vol. lxxiv, 



This paper is concerned, then, with a small portion of the large 

 area of highest Silurian rocks of the Welsh Borderland, and the 

 district was selected as near as possible to the typical Ludlow 

 area, consistent with being on the western side of the great fault. 

 The district, indicated on the sketch-map (fig. 1), comprising the 



Fig. 1. — Geological sketch-map of the Welsh Borderland. 



Pre-Wenlock 



Wenlock 



Ludlow with 



Aymestry 



Limestone 



Old Red 

 Sandstone 



Scale:-SMiles=1 Inch or 1:506,880 

 2 4 6 8 10 12 14 



16 



[I = Ludlow district, investigated by Miss G. L. Elles & 

 Miss I. L. Slater. II = Bucknell district.] 



greater part of the basin of the River Redlake (a tributary of 

 the Teme), has been mapped on the 6-inch scale. The ground is 

 shown on the (5-inch Ordnance Survey maps, quarter-sheets 

 Shropshire 69 S.W., 69 S.E., 76 N.W., 76 N.E., 76 S.W., 76 S.E.. 

 77 N.W., and 77 S.W. 



