"Wright and Muff — Pre-glacial Raised Beach. 277 



Towards the top of this deposit there is a well-marked horizontal 

 shingle-bed extending for a long distance. Small remnants of 

 boulder-clay can be detected here and there above the head. 



A similar gully lies a short distance to the east (see PL XXX.). 

 The upper portion of the platform at this second gully is 10 to 

 12 feet above the line of sea-growth (Balanus). On the landward 

 side of this gully is the following rather complicated section : — 



Feet. 

 7. Upper head, . . . . . . 5 



6. Boulder-clay, . . . . . . 4-8 



5. Ferricrete sand, with irregular base, . . 4-6 

 4. Clay, with angular bits of slate, . . 4-6 



3. Yellow laminated clay, . . . . 0-1 



2. Coarse breccia, . . . . . . 1-2 



1. Coarse ferricrete gravel, . . . , 2-3 



Platform. 



The deposits numbered 2, 3, and 4 in the above section 

 together form a peculiar local deposit. The breccia consists of 

 rough, angular blocks, up to 2 feet long, of the local slate 

 mixed up with a few well-rounded beach-pebbles, and cemented 

 by iron-oxides. The top of the breccia is uneven, and is overlain 

 in part of the section by an irregular lenticle of yellow laminated 

 clay. The next deposit consists of smaller angular pieces of slate 

 lying in all positions in a clayey matrix. It is not cemented by 

 iron-oxides, and thus weathers more readily than the breccia 

 below it. The hollows in its irregular upper surface are occupied 

 by laminated clay. Together with the coarse breccia beneath, 

 the stony clay thins out when traced laterally, so that the 

 ferricrete sand comes to rest on the basal gravel. The tumbled 

 character of the deposit suggests that it might have been produced 

 by a slip from the pre-glacial cliff. 



The ferricrete sand is coarse, and includes one or two rows of 

 pebbles. It is stratified, but not distinctly false-bedded ; and does 

 not seem to be a blown sand. 



The boulder-clay is of a greyish colour, and contains pieces of 

 the local grits and slates, as well as of Old Red Sandstone in all 

 stages of rounding. The harder rocks are often striated. 



The cliffs to the eastward of the above section afford good 



