Abstract
THE cumulative evidence in Dr. Albert Brun's “Recherches sur l'exhalaison volcanique” leaves very little doubt but that the explosive action in volcanoes is due to decomposition of compounds of C, N, Cl, F, &c, held dissolved in the glass of the lava. All the theories about volcanic activity must be revised, as pointed out by that author; but along with the disappearance of the theory attributing the explosive action to water, there must be a disappearance also of the theory of a hot interior of the globe, as a corollary following on Dr. Brun's researches, if on no other grounds. For if a magma containing carbides, nitrides, &c., will explode with great violence if heated, then, supposing the earth's centre were hot, a single volcanic vent would allow the whole of the volcanic magma contained in the earth to swell and boil over on to the surface of the earth.
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SCHWARZ, E. Anhydrous Volcanoes. Nature 87, 45 (1911). https://doi.org/10.1038/087045a0
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DOI: https://doi.org/10.1038/087045a0
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