Volcanoes: What They are and what They TeachC. K. Paul, 1881 - 381 Seiten |
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Seite xiii
... atmospheric denudation . 43. Experimental illustration of the mode to face p . 124 suffered to some ( After Scrope ) . of formation of 124 volcanic cones composed of viscid lavas . ( After Reyer ) 126 44. The Grand Puy of Sarcoui ...
... atmospheric denudation . 43. Experimental illustration of the mode to face p . 124 suffered to some ( After Scrope ) . of formation of 124 volcanic cones composed of viscid lavas . ( After Reyer ) 126 44. The Grand Puy of Sarcoui ...
Seite 9
... cloud varying continually according to the hygrometric state of the atmosphere , and the direction and force of the wind . At the time when this sketch was made , the vapour- cloud was spread in a great horizontal stratum over- shadowing.
... cloud varying continually according to the hygrometric state of the atmosphere , and the direction and force of the wind . At the time when this sketch was made , the vapour- cloud was spread in a great horizontal stratum over- shadowing.
Seite 14
... atmosphere , and with it there were hurled upwards a number of dark fragments , which rose to the height of 400 or 500 feet above the crater , de- scribing curves in their course , and then falling back upon the mountain . Most of these ...
... atmosphere , and with it there were hurled upwards a number of dark fragments , which rose to the height of 400 or 500 feet above the crater , de- scribing curves in their course , and then falling back upon the mountain . Most of these ...
Seite 15
... atmosphere . But besides these smaller cracks at the bottom of the crater , several larger openings are seen , which vary in number and position at different periods ; sometimes only one of these apertures is visible , at others as many ...
... atmosphere . But besides these smaller cracks at the bottom of the crater , several larger openings are seen , which vary in number and position at different periods ; sometimes only one of these apertures is visible , at others as many ...
Seite 16
... atmosphere . If we visit the crater by night , the appearances presented are found to be still more striking and suggestive . The smaller cracks and larger openings glow with a ruddy light . The liquid matter is seen to be red- or even ...
... atmosphere . If we visit the crater by night , the appearances presented are found to be still more striking and suggestive . The smaller cracks and larger openings glow with a ruddy light . The liquid matter is seen to be red- or even ...
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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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