Volcanoes: What They are and what They TeachC. K. Paul, 1881 - 381 Seiten |
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Seite vii
... liquids enclosed in the crystals of igneous rocks ; the relations of minerals occurring in some volcanic products to those found in meteorites ; the nature and origin of the remarkable iron - masses found at Ovifak in Green.
... liquids enclosed in the crystals of igneous rocks ; the relations of minerals occurring in some volcanic products to those found in meteorites ; the nature and origin of the remarkable iron - masses found at Ovifak in Green.
Seite xi
... liquids , in the crystals of rocks . ( After Zirkel ) . • 43 • to face p . 60 62 8. Minute liquid - cavity in a crystal ... liquid to the gaseous condition . ( After Hartley ) 10. Monte Nuovo ( 440 ft . high ) on the shores of the Bay of ...
... liquids , in the crystals of rocks . ( After Zirkel ) . • 43 • to face p . 60 62 8. Minute liquid - cavity in a crystal ... liquid to the gaseous condition . ( After Hartley ) 10. Monte Nuovo ( 440 ft . high ) on the shores of the Bay of ...
Seite 15
... , flowing out- side the crater ; from this liquid molten mass steam is seen to escape , sometimes in considerable quantities . The openings of the third class present still more interesting appearances . Within the walls of the aperture a.
... , flowing out- side the crater ; from this liquid molten mass steam is seen to escape , sometimes in considerable quantities . The openings of the third class present still more interesting appearances . Within the walls of the aperture a.
Seite 16
... liquid high into the 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 ...
... liquid high into the 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 ...
Seite 19
... liquids in a state of boiling or ebullition . The glowing material seems to be agitated by two kinds of movements , the one whirling or rotatory , the other vertical or up - and- down in its direction . The fluid mass in this way ...
... liquids in a state of boiling or ebullition . The glowing material seems to be agitated by two kinds of movements , the one whirling or rotatory , the other vertical or up - and- down in its direction . The fluid mass in this way ...
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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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