Ice-work, Present and PastK. Paul, Trench, Trübner & Company, Limited, 1903 - 295 pagini |
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Pagina 4
... snow , for here it can hardly be called ice , is riven into strange forms , and usually one chasm - named the Bergschrund— wider and more persistent than the rest , severs the snow and ice of the glacier basin from the snow and ice of ...
... snow , for here it can hardly be called ice , is riven into strange forms , and usually one chasm - named the Bergschrund— wider and more persistent than the rest , severs the snow and ice of the glacier basin from the snow and ice of ...
Pagina 5
... snow . Now and again a block , more headlong than the rest , closes its career by one vast leap which lands it out on the glacier some hundreds of feet away from the rocks ; but the majority fall on or near the edge , so that on this a ...
... snow . Now and again a block , more headlong than the rest , closes its career by one vast leap which lands it out on the glacier some hundreds of feet away from the rocks ; but the majority fall on or near the edge , so that on this a ...
Pagina 11
... snow - beds or by hanging glaciers , occasionally descend the slopes on either side and plunge beneath the ice , bearing with them much débris and many partially rounded stones , which go to augment either the ground moraine or the ...
... snow - beds or by hanging glaciers , occasionally descend the slopes on either side and plunge beneath the ice , bearing with them much débris and many partially rounded stones , which go to augment either the ground moraine or the ...
Pagina 14
... snow vanishes from every recess in the surrounding mountains long before the summer reaches its end . It must be remembered , of course , that rocks and stones may be worn or striated by other causes than the action of a glacier . A ...
... snow vanishes from every recess in the surrounding mountains long before the summer reaches its end . It must be remembered , of course , that rocks and stones may be worn or striated by other causes than the action of a glacier . A ...
Pagina 15
... snow - bed lingers in some sheltered corrie , once gave birth to a tributary glacier . Another thing , however , is obvious ; the dominant outlines of the valley are those indicative of the action of water , for it is V - shaped in ...
... snow - bed lingers in some sheltered corrie , once gave birth to a tributary glacier . Another thing , however , is obvious ; the dominant outlines of the valley are those indicative of the action of water , for it is V - shaped in ...
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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
Pasaje populare
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.