GLACIAL GRAVELS AT GLOPPA. 



87 



depth would exceed 100 feet at the utmost, and the section would 

 be approximately as follows : — 



Fig. 1. 



a. Soil 6 in. to 1 ft. in. 

 g h. Eough ground with 



ft. in, 

 1 



Grit beds below. 



many local boul 



ders 1 



Patches and thin 

 bands of clay, red 

 and grey, blue 

 clay with slaty 

 fragments, gravel 

 with erratics, loam 

 and shingle, very 



few shells 10 



Beds of shingle, 

 loam, and grayel, 

 full of erratics and 

 many large boul- 

 ders, shells com- 

 paratiyely abun- 

 dant 20 



Beds of loam, fine 

 shingle with shells 

 and erratics, but 

 on the whole more 

 finely stratified and 

 of finer material 

 than d ; worked 

 down to about 



25 



The clay-patches and bands near the surface can hardly be said 

 to be continuous, although the upper layers under h are all more or 

 less argillaceous and sufficiently so to prevent the percolation of 

 rain-water. 



The following measured sections are illustrative of the whole 

 deposit : — 



ft. in. 



^- ft. in. 



Soil 1 



Thin red and grey clay -bands 



with fine sand 4 



Gravel 6 



Loamy sand 2 



Fine gravel 6 



Loamy sand 2 



Fine gravel and sand 1 1 



Sand 5 



Shingle 8 



Finely laminated sand 5 



Fine gravel 2 



Finely laminated sand 8 



Sand and gravel in fine layers . 4 



B. 



Soil, thin clay-bands, gravel, 



and sand 3 2 



Gravel 1 6 



Fine sand 1 4 



do. with fine partings 2 



do. with pebble layers ... 3 8 



Sand 1 4 



Sand layers and gravel, finely 



stratified 3 



16 



Gravel below. 



17 5 



The deposit may be said roughly to dip from N. and J^.E. to S. 

 and S.W. 



On the north-eastern slope the beds presented in places the 

 appearance of having been abruptly cut off, and the surface of the 



