Ice-work, Present and PastK. Paul, Trench, Trübner & Company, Limited, 1903 - 295 pagini |
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Pagina 4
... slope steepens , on approaching the base of the actual peaks or the foot of the curtain walls , that crevasses ... slopes of the peaks soon shoots 4 ICE - WORK , PRESENT AND PAST.
... slope steepens , on approaching the base of the actual peaks or the foot of the curtain walls , that crevasses ... slopes of the peaks soon shoots 4 ICE - WORK , PRESENT AND PAST.
Pagina 5
... slopes on either hand rise higher and barer , and stones more often come thundering down from them or are swept along by avalanches of snow . Now and again a block , more headlong than the rest , closes its career by one vast leap which ...
... slopes on either hand rise higher and barer , and stones more often come thundering down from them or are swept along by avalanches of snow . Now and again a block , more headlong than the rest , closes its career by one vast leap which ...
Pagina 6
... slope , the glacier descends in a comparatively un- broken flow , till it melts away under the increasing temperature and is transformed into a river . In this case the medial moraines are also continuous , and produce great mounds ...
... slope , the glacier descends in a comparatively un- broken flow , till it melts away under the increasing temperature and is transformed into a river . In this case the medial moraines are also continuous , and produce great mounds ...
Pagina 7
... slope . As the glacier passes over these , it is rent into a wilderness of icy crags sundered by yawning crevasses . of the moraine is engulfed ; part of the débris descends . to the bottom of the glacier , part is arrested in the ...
... slope . As the glacier passes over these , it is rent into a wilderness of icy crags sundered by yawning crevasses . of the moraine is engulfed ; part of the débris descends . to the bottom of the glacier , part is arrested in the ...
Pagina 8
... slope of the valley , partly on the edge of the ice . Some- times they too may be , as it were , stranded , and become features no less definite than the terminal moraine ; sometimes their materials also may be scattered , owing to a ...
... slope of the valley , partly on the edge of the ice . Some- times they too may be , as it were , stranded , and become features no less definite than the terminal moraine ; sometimes their materials also may be scattered , owing to a ...
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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.