Volcanoes: What They are and what They TeachC. K. Paul, 1881 - 381 Seiten |
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Seite vi
... geologist was not content with the devotion of his own time and energies to the advancement of his favourite science , for as increas- ing age and growing infirmities rendered travel and personal research impossible , he found a new ...
... geologist was not content with the devotion of his own time and energies to the advancement of his favourite science , for as increas- ing age and growing infirmities rendered travel and personal research impossible , he found a new ...
Seite 4
... geologist Dolomieu showed how much light might be thrown on the nature of volcanic action by a study of the various materials which are ejected from volcanic vents ; while our own countryman , Sir William Hamil- ton , was engaged in a ...
... geologist Dolomieu showed how much light might be thrown on the nature of volcanic action by a study of the various materials which are ejected from volcanic vents ; while our own countryman , Sir William Hamil- ton , was engaged in a ...
Seite 23
... geologists are in the habit of defining the condition of activity in a volcano by speaking of the more quiet and regular state as the ' Strombolian stage , ' and the more violent and paroxys- mal as the Vesuvian stage ' ; but the two ...
... geologists are in the habit of defining the condition of activity in a volcano by speaking of the more quiet and regular state as the ' Strombolian stage , ' and the more violent and paroxys- mal as the Vesuvian stage ' ; but the two ...
Seite 45
... geologists apply that name , but from the fragments of altered limestone that have been torn from the rocks beneath the mountain , and scattered by the eruptive forces all over its sides . The chemical action of the superheated and ...
... geologists apply that name , but from the fragments of altered limestone that have been torn from the rocks beneath the mountain , and scattered by the eruptive forces all over its sides . The chemical action of the superheated and ...
Seite 49
... Geologists have devised a great number of names for the various kinds of lava which have been found occurring round volcanic vents in different parts of the world , and the study of these varieties is full of interest . E For our ...
... Geologists have devised a great number of names for the various kinds of lava which have been found occurring round volcanic vents in different parts of the world , and the study of these varieties is full of interest . E For our ...
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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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