Show MOUNT IOU 1 Etna I H again agIn p l la in tot the throes throe of ef a av volcanic v l eruption eulon Tilt Till I In one of 01 the tho celebrated volcanoes vol on earth H ri is I over nr 1 feet fat high b snow though thou at Us its Jt base buo coveted covered with the semitropical vegetation v of the tho Med Ked Mediterranean countries tall tell u us that this th mountain I la about MO M years yean 0 old Gradually It k kha baa ha been n buts built up rep to It Ita Is present dimen dimension epee sion There I la Ie a gorge out cut Into lato the side aid of 01 the tho mountain revealing 11 feet feel of f Ia lava v lay And A nd It to Y calculated ed Id that with the tile avenge a pow flow of mol mob molten molI ten I lava that comes come from It tt at t least I year yean Y probably more were re required required for tor It construction A As to the tho cause of volcanic vonnie eruption very nry erv little to la known for certain In Un Undoubtedly Undoubtedly Undoubtedly compressed traces Petard and es especially steam play a part pan la 1 the pet per performance But whence cornea tot the heat hat t that fuses fuse f rude rock T Is I It on Oft account of chemical soften Or 0 mechanical prey pre pressure sure u T Are A the I opening Into local reservoirs vol of 01 melted It matter or orInto orInto orinto Into tot the great gnat ocean n of 01 such uch matter that Ic I 1 supposed u to in f the Interior of the toile earth erth h below low the t h very thin n crust I of solid rock surd Buch ucla are some 10 of the qu by volcanic activity activity ity Ue Le Comp Compto rays ay there then Is te a tendency among ament to 10 accept a corn oom between n the opposing views Many Maly hold hoW that th the tha general tu Ilen of at the earth 11 to is that of a solid nu no clout 01 and a solid Ud eruct cruet by br a 10 layer of ot liquid or 01 liquid matter Th The eruptions eruption ru Ou of Mount Etna 1 ant ante date dat history Many ot of them an are en on record roo In U A D pepla about the tHI shirts of the tINt mountain wen we dee ds troyed tio and ad the Ut eruptions of ot lief and aad 1011 wet wen still Mill mote more catastrophic It U to la toa laa a wonder that p till still build their homes home h and live liv near such inch a boiling cauldron |