Volcanoes: What They are and what They TeachC. K. Paul, 1881 - 381 Seiten |
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... Sphærulites . 4. Rock with Cryptocrystalline Base . 5. Rock with Microcrystalline Base . 6. Rock of Granitic Structure built up entirely of Crystals . [ See pp . 53-58 . VOLCANOES 、,, " VOLCANOES WHAT THEY ARE AND WHAT THEY.
... Sphærulites . 4. Rock with Cryptocrystalline Base . 5. Rock with Microcrystalline Base . 6. Rock of Granitic Structure built up entirely of Crystals . [ See pp . 53-58 . VOLCANOES 、,, " VOLCANOES WHAT THEY ARE AND WHAT THEY.
Seite ix
... 112 THE CHAPTER VI . VARIOUS STRUCTURES BUILT UP AROUND VOLCANIC VENTS . CHAPTER VII . THE SUCCESSION OF OPERATIONS TAKING PLACE AT VOL- CANIC CENTRES • 151 186 CHAPTER VIII . THE DISTRIBUTION OF VOLCANOES UPON THE SURFACE.
... 112 THE CHAPTER VI . VARIOUS STRUCTURES BUILT UP AROUND VOLCANIC VENTS . CHAPTER VII . THE SUCCESSION OF OPERATIONS TAKING PLACE AT VOL- CANIC CENTRES • 151 186 CHAPTER VIII . THE DISTRIBUTION OF VOLCANOES UPON THE SURFACE.
Seite xiv
... built up of lava - streams , beds of scoriæ , and dykes . ( After Lyell ) 48. Section seen at the cascade , Bains de Mont Dore . ( After Scrope ) · 49. Section in the Island of Ventotienne , showing a great stream of andesitic lava ...
... built up of lava - streams , beds of scoriæ , and dykes . ( After Lyell ) 48. Section seen at the cascade , Bains de Mont Dore . ( After Scrope ) · 49. Section in the Island of Ventotienne , showing a great stream of andesitic lava ...
Seite xvi
... built up 82. The Puy de Pariou , in the Auvergne , illustrating the shift- ing of eruption along a line of fissures 83. Ideal section of the Puy de Pariou • • 84. Fissure formed on the flanks of Etna during the eruption of 1865. ( After ...
... built up 82. The Puy de Pariou , in the Auvergne , illustrating the shift- ing of eruption along a line of fissures 83. Ideal section of the Puy de Pariou • • 84. Fissure formed on the flanks of Etna during the eruption of 1865. ( After ...
Seite 11
... , fig . 2 , which is copied from a map published by the Italian Government . When we land upon the island , we find that it is entirely built up of such materials as we know to be ejected from volcanoes ; indeed , it resembles on a ...
... , fig . 2 , which is copied from a map published by the Italian Government . When we land upon the island , we find that it is entirely built up of such materials as we know to be ejected from volcanoes ; indeed , it resembles on a ...
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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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