. d4 - 



(2) Qlaoier Bursts . In eddltioa to aouBfll depoaltloa 

 froxB gl«icl«jl stTtkUMB, c»ta»tropnic deposition froar* "jjleder- 

 tui^tB" or "glacier torrents" periodically adds to the 

 shoreline »nd offshore sediment b« 



Th© greet ic© fiftlds r©at on ectiv.i volcsnoes, 

 Wh«a BD. eruption ooaurs riooda of water bearing voleanie 

 <i«bris end iee sweep do^m over th® oossttsl lowlsnd to th« 

 see, Sl£«ldar&r»an^ end Hyraalssendr ere pertieularly sub- 

 ject to these floods elthough they occur elsewhere alonf 

 this section of the coast. 



Thorodasen describes these floods ©a follows 



(24,p.201)t 



•» Peoulier to Iceland ere the so-ealisd 

 • glsicier-torrent 0* ( J&ull-hlsup ) ♦ 'Mhen 

 the glaciers by the eruption of volcanoes 

 hidden under the ice, are broken to pieces 

 end ffl»lt, the l^srge' stretch^ra of land "be- 

 neath them arft Inundated by a Toariait sea 

 of dirty water with swirling icebergs. 

 Such cet«i8troph@e may cauae great ehenges 

 in the surface features of the surround inp- 

 country, es the Wfiterfloods often carry 

 elong with them en ineredible cpsntity v> 

 grairel and rooky 1»l£»ck». In this wsy the 

 Toleeno of li&tla especially has caused 

 considerebls ch&ni;«s— the course of rivers 

 ere constantly changed, the amsller fjords 

 heve been filled up even vdthin historic 

 tiiaes, end sever&il l»rge perishes and 

 diistricts have been destroyed... Minor 

 glacier-bursts ere also oecesionelly 

 due to laice* and rivers , which heve 

 been dBsam(k by glaciers, suddenly break- 

 ing through their barriers ead inundntlni;; 

 the district." 



