Ice-work, Present and PastK. Paul, Trench, Trübner & Company, Limited, 1903 - 295 pagini |
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Pagina 14
... occur , it may be inferred that a glacier formerly existed , even though at the present time the snow vanishes from every recess in the surrounding mountains long before the summer reaches its end . It must be remembered , of course ...
... occur , it may be inferred that a glacier formerly existed , even though at the present time the snow vanishes from every recess in the surrounding mountains long before the summer reaches its end . It must be remembered , of course ...
Pagina 27
... occur in the neigh- bourhood of the Lake of Zurich may be taken as an example , for here we are on ground which is classic in the history of the work of ice . This region affords clear evidence that during the Ice Age the great glaciers ...
... occur in the neigh- bourhood of the Lake of Zurich may be taken as an example , for here we are on ground which is classic in the history of the work of ice . This region affords clear evidence that during the Ice Age the great glaciers ...
Pagina 28
... occur here and there , sometimes showing false bedding . The mass passes down into stratified sand , in which smaller pebbles occasionally form a seam , but generally are scattered sparsely . This finer material is seen to underlie the ...
... occur here and there , sometimes showing false bedding . The mass passes down into stratified sand , in which smaller pebbles occasionally form a seam , but generally are scattered sparsely . This finer material is seen to underlie the ...
Pagina 29
... occur , but They vary in form from sub- are far from common . 1 A sandstone about Middle Tertiary in age . 2 These , however , are considered by Swiss geologists to belong to a different epoch of glaciation . angular to sub - rotund ; a ...
... occur , but They vary in form from sub- are far from common . 1 A sandstone about Middle Tertiary in age . 2 These , however , are considered by Swiss geologists to belong to a different epoch of glaciation . angular to sub - rotund ; a ...
Pagina 45
... a few cases , piled - up heaps of stone occur on the ice farther inland than might have been expected . One such was observed during Nansen's expedition in the neighbourhood of the ARCTIC AND ANTARCTIC ICE - SHEETS 45.
... a few cases , piled - up heaps of stone occur on the ice farther inland than might have been expected . One such was observed during Nansen's expedition in the neighbourhood of the ARCTIC AND ANTARCTIC ICE - SHEETS 45.
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Termeni și expresii frecvente
Alpine Alps amount angular basin beneath boulder clay breccias Britain Carboniferous chalk chap cliffs climate coast comparatively considerable crags débris descend direction distance district Drift Edition elevation England Eocene erratics feet above sea-level fragments Geol geologists Geology Geology of England glacial deposits Glacial Epoch glaciers Glen Roy granite Greenland ground height higher hills hypothesis Ice Age ice-sheet ice-streams inches indicate inland ice Irish Sea islands Jour lakes land land-ice latitude latter less lower lowlands Malaspina Glacier marine mass material melting miles Moel Tryfaen molluscs moraine mountain nearly neighbourhood névé northern Norway numerous Nunataks occasionally occur peaks pebbles precipitation present probably Professor Quart range region ridges rise river roches moutonnées sands and gravels Scotland shells side slope snow snow-line sometimes southern stones stratified streams striated subangular submergence surface temperature terminal moraine thickness tion traced upper valley Wales western yards
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Pagina 59 - It was a beautifully clear evening, and we had a most enchanting view of the two magnificent ranges of mountains, whose lofty peaks, perfectly covered with eternal snow, rose to elevations varying from seven to ten thousand feet above the level of the ocean. The glaciers that filled their intervening valleys, and which descended from near the mountain summits, projected in many places several miles into the nea, and terminated in lofty perpendicular cliffs.