612 



ERUPTION OF MONTE NUOVO. 



[Ch. XXIV . 



semicircle ol Irom 



diameter 



formed a hill nearly of the height of Monte Morello 



Mas 

 from 1 



mile 



He 



and a half. When tl 

 a soft muddy state.' 

 sinking of the ground, and the elevation of it which fol- 

 lowed, and says that to him it was inconceivable how such a 



mass oi 

 the gulf. 



He 



draw up for the Viceroy. 



compai 



nesses, there appears to be no real discrepancy between 



them. 



seems 



feet on the site of the future volcano, and after having sub- 

 sided it was again propelled upwards by the lava mingled 

 with steam and gases, which were about to burst forth. 



ments of fractured rock, and occa- 



mud composed of a mixture of pumice, tuff, and 



sea-water, were hurled into the air. Some of the blocks of 



stone were very large, leading us to infer that the ground 



which sank and rose again was much shattered ana iorn w 

 pieces by the elastic vapours. The whole hill was not formed 

 at once, but by an intermitting action extending over a week 



mor 



seems 



gola and the baths in its suburbs, and that the ejected 

 materials fell and buried that small town . A considerable 

 part, however, of the hill was formed in less than twenty- 



manner 



mud 



middle. There is no difficulty 



1, with a cavity in the 

 conceiving that the 



pumiceous mud, if so thrown out, may have set into a kind 



com 



canic ashes, are known to consolidate with facility. 



I 



formed 



Buch discovered some 



marine shells of existing species, such as occur fossil m the 

 tuff of the neighbourhood, in beds exposed low down m the 

 walla nf tti A p.raiar of Monte Nuovo. These may have been 



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