Volcanoes: What They are and what They TeachC. K. Paul, 1881 - 381 Seiten |
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Seite vii
... various classes which exist upon the globe ; and I have endeavoured from the study of these to deduce those general laws which appear to govern volcanic action . But it has , at the same time , been my aim to approach the question from ...
... various classes which exist upon the globe ; and I have endeavoured from the study of these to deduce those general laws which appear to govern volcanic action . But it has , at the same time , been my aim to approach the question from ...
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 xv
... various volcanoes illustrating the different relations of the craters to cones 78. Island thrown up in the Mediterranean Sea in July and August , 1831. ( After the Prince de Joinville ) 179 183 79. Sinter - cones surrounding the ...
... various volcanoes illustrating the different relations of the craters to cones 78. Island thrown up in the Mediterranean Sea in July and August , 1831. ( After the Prince de Joinville ) 179 183 79. Sinter - cones surrounding the ...
Seite 4
... various materials which are ejected from volcanic vents ; while our own countryman , Sir William Hamil- ton , was engaged in a systematic study of the changes in form of volcanic mountains , and of the causes which determine their ...
... various materials which are ejected from volcanic vents ; while our own countryman , Sir William Hamil- ton , was engaged in a systematic study of the changes in form of volcanic mountains , and of the causes which determine their ...
Seite 41
... various acid gases has caused nearly the whole of the iron , lime , and alkaline materials of the rocks to be converted into soluble compounds known as sulphates , chlorides , carbonates , and borates ; and , on the removal of these by ...
... various acid gases has caused nearly the whole of the iron , lime , and alkaline materials of the rocks to be converted into soluble compounds known as sulphates , chlorides , carbonates , and borates ; and , on the removal of these by ...
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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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