Volcanoes: What They are and what They TeachC. K. Paul, 1881 - 381 Seiten |
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Seite 8
... kind of great natural steam - engine , and our best method of investigating its action is to watch it when a part of the steam - supply is cut off . It is true that we cannot at will control the source of supply of steam to a volcano ...
... kind of great natural steam - engine , and our best method of investigating its action is to watch it when a part of the steam - supply is cut off . It is true that we cannot at will control the source of supply of steam to a volcano ...
Seite 41
... kind has gone on to such an extent , that they have been led to describe the islands as composed entirely of chalk . Some of the substances issuing from volcanic vents , such as hydrogen and sulphuretted hydrogen , are in- flammable ...
... kind has gone on to such an extent , that they have been led to describe the islands as composed entirely of chalk . Some of the substances issuing from volcanic vents , such as hydrogen and sulphuretted hydrogen , are in- flammable ...
Seite 42
... kind have already been commenced by Janssen , at Stromboli and Santorin . Some of the volatile substances issuing from volcanic vents , are at once deposited when they come in contact with the cool atmosphere , others form new compounds ...
... kind have already been commenced by Janssen , at Stromboli and Santorin . Some of the volatile substances issuing from volcanic vents , are at once deposited when they come in contact with the cool atmosphere , others form new compounds ...
Seite 56
... kind come together and become united , like the fragments in Ezekiel's valley of dry bones . Although we cannot see this process taking place under our eyes , in a mass of lava , yet we may study specimens in which the action has been ...
... kind come together and become united , like the fragments in Ezekiel's valley of dry bones . Although we cannot see this process taking place under our eyes , in a mass of lava , yet we may study specimens in which the action has been ...
Seite 90
... kind of rock , of which Naples and many other cities are built , the name of ' tuff ' or ' tufa ' is applied . A similar material is known in Northern Germany as ' trass . ' The cause of the setting ' of puzzolana and tufa is that rain ...
... kind of rock , of which Naples and many other cities are built , the name of ' tuff ' or ' tufa ' is applied . A similar material is known in Northern Germany as ' trass . ' The cause of the setting ' of puzzolana and tufa is that rain ...
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Häufige Begriffe und Wortgruppen
active volcanoes andesites appear atmosphere augite Auvergne basaltic basic lavas canic carbonic acid cavities centre character Cheaper Edition chemical Cloth composed composition condition crater crater-rings crystalline crystals Demy 8vo denuding forces depth dykes earth's crust earth's surface enormous eruption Etna exhibit exist fact Fcap feet formation formed fragments Frontispiece gases geological periods geologists glassy globe granitic igneous Illustrations incandescent interior Island lapilli Large post 8vo lava-currents lava-streams line of fissure Lipari liquid mass melaphyres metallic meteorites microliths miles minerals Monte Nuovo ocean origin parasitic cones Poems portions present pressure price 35 produced pumice quantities rhyolites rock-masses scoria-cones scoriæ Second Edition seen sides silica slope Small crown 8vo solid steam Stromboli structure substances subterranean summit take place temperature Third Edition tion trachytic tuffs vapour vast Vesuvius volcanic action volcanic cones volcanic districts volcanic forces volcanic mountains volcanic outbursts volcanic phenomena volcanic vents vols
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