3^ 



^5. 



o 



Ice rotten and rapidly 

 disintegrating; glaciers calving 



V 



CONCENTRATION 



Ridgsd lea AAA lceb«rp (few) A 

 Hummocks fl Bergy bits and 



BTOwlin (many) ' 

 UtR FEATURES Bern bits and 



«„,. O 



Figure 9 

 26 



