Volcanoes: What They are and what They TeachC. K. Paul, 1881 - 381 Seiten |
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Seite xi
... acid gas at a tempe- rature of 86 ° F. , and passing from the liquid to the gaseous condition . ( After Hartley ) 10. Monte Nuovo ( 440 ft . high ) on the shores of the Bay of Naples . ( After Scrope ) · 11. Map of the district around ...
... acid gas at a tempe- rature of 86 ° F. , and passing from the liquid to the gaseous condition . ( After Hartley ) 10. Monte Nuovo ( 440 ft . high ) on the shores of the Bay of Naples . ( After Scrope ) · 11. Map of the district around ...
Seite 18
... acid and sulphuretted hy- drogen . When these two gases come into contact with one another , chemical action takes place , and the elements contained in them - oxygen , hydrogen , and sulphur - are free to group themselves together in ...
... acid and sulphuretted hy- drogen . When these two gases come into contact with one another , chemical action takes place , and the elements contained in them - oxygen , hydrogen , and sulphur - are free to group themselves together in ...
Seite 19
... acid com- bines with lime , iron , or other substances contained in the surrounding rocks , and the sulphur builds up crys- tals in any cavities which may happen to exist in these rocks . If , however , careful and exact observations ...
... acid com- bines with lime , iron , or other substances contained in the surrounding rocks , and the sulphur builds up crys- tals in any cavities which may happen to exist in these rocks . If , however , careful and exact observations ...
Seite 40
... acid gases known as hydrochloric acid , sulphurous acid , sulphuretted hydrogen , carbonic acid , and boracic acid ; and with these acid gases there issue hydrogen , nitrogen , am- monia , the volatile metals arsenic , antimony , and ...
... acid gases known as hydrochloric acid , sulphurous acid , sulphuretted hydrogen , carbonic acid , and boracic acid ; and with these acid gases there issue hydrogen , nitrogen , am- monia , the volatile metals arsenic , antimony , and ...
Seite 41
... 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 the rain ...
... 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 the rain ...
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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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