PRESTWICn — CEAG-BEDS OF SUFFOLK AND NORFOLK. 



335 



Fig. 15. — Section half a mile west of Shottisham Hall. 



' — - - '•""- ^ Upper diTision, with 

 ^ C -= f few sholls, 12 feet. 



Shelly lower divi- 

 sion, 10 feet. 



It is apparently this upper division of the Eed Crag which reposes 

 on the eroded surface of the Coralline-Crag pit by the roadside 

 between Sudbourne and Iken (fig. 16). 



Fig. 16. — Pit by side of road 1| mile N.N.E. from Sudbourne Church. 



a. Light-coloured sands with fine gravel. 3' . Ferruginous and yellow sands. 1. Coralline Crag. 



The same feature with relation to the lied Crag is again visible, 

 though not so clearly, at Aldborough (fig. ]7). 



Fig. 17. — Section in Ballast-pit, Aldborough. 



3'. Brown sands with few shells and pebbles : upper diyision, 10 feet. 

 2. Shelly Eed Crag : lower division, 10 feet. 



The sandy beds of the upper division of the Eed Crag do not 



