Volcanoes: What They are and what They TeachC. K. Paul, 1881 - 381 Seiten |
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Seite 9
... height of 3,090 feet above the level of the Mediterranean . From a point on the side of the mountain , masses of vapour are seen to issue , and these unite to form a cloud over the mountain , the outline of this vapour - cloud varying ...
... height of 3,090 feet above the level of the Mediterranean . From a point on the side of the mountain , masses of vapour are seen to issue , and these unite to form a cloud over the mountain , the outline of this vapour - cloud varying ...
Seite 12
... height of more than 3,000 feet above the sea - level , but even this measurement does not give a just idea of its vast bulk . Soundings in the sea surrounding the island show that the bottom gradually shelves around the shores to the ...
... height of more than 3,000 feet above the sea - level , but even this measurement does not give a just idea of its vast bulk . Soundings in the sea surrounding the island show that the bottom gradually shelves around the shores to the ...
Seite 14
... 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 fragments tumbled into the crater with a loud , rattling noise , but some of them fell outside ...
... 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 fragments tumbled into the crater with a loud , rattling noise , but some of them fell outside ...
Seite 25
... height of nearly 4,000 feet above the level of the sea , and an inspection of the photograph proves that the vapours and rock - fragments were thrown to the enormous height of 20,000 feet , or nearly four miles , into the atmosphere ...
... height of nearly 4,000 feet above the level of the sea , and an inspection of the photograph proves that the vapours and rock - fragments were thrown to the enormous height of 20,000 feet , or nearly four miles , into the atmosphere ...
Seite 68
... height of many hundreds or thousands of feet into the atmosphere , as we have seen is the case at Stromboli and Vesuvius . Indeed , during violent erup- tions , a continuous upward discharge of these fragments is maintained , the ragged ...
... height of many hundreds or thousands of feet into the atmosphere , as we have seen is the case at Stromboli and Vesuvius . Indeed , during violent erup- tions , a continuous upward discharge of these fragments is maintained , the ragged ...
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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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