Ice-work, Present and PastK. Paul, Trench, Trübner & Company, Limited, 1903 - 295 pagini |
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Pagina 8
... amount of moraine stuff on the glaciers descending the western valleys of the New Zealand Alps around Aorangi is comparatively small , while on those of the eastern side it is very large , covering the ice- streams for about a quarter ...
... amount of moraine stuff on the glaciers descending the western valleys of the New Zealand Alps around Aorangi is comparatively small , while on those of the eastern side it is very large , covering the ice- streams for about a quarter ...
Pagina 11
... amount and importance there is much dispute , some holding that a very large quantity of materials travels in this way , while others think it to be com- paratively small . Boulders and grit , as already stated , are engulfed in ...
... amount and importance there is much dispute , some holding that a very large quantity of materials travels in this way , while others think it to be com- paratively small . Boulders and grit , as already stated , are engulfed in ...
Pagina 20
... the subjacent rocks . The amount varies with the time of the year , because the stream is small and clear , comparatively speaking , in the winter months , for its volume largely depends 20 ICE - WORK , PRESENT AND PAST.
... the subjacent rocks . The amount varies with the time of the year , because the stream is small and clear , comparatively speaking , in the winter months , for its volume largely depends 20 ICE - WORK , PRESENT AND PAST.
Pagina 21
... amount for the whole year was only 2000. Observations on seven Green- land and ten Norwegian glaciers gave as the mean results for the summer months 147.9 grammes per cubic metre ; and Professor Helland calculates that all the glaciers ...
... amount for the whole year was only 2000. Observations on seven Green- land and ten Norwegian glaciers gave as the mean results for the summer months 147.9 grammes per cubic metre ; and Professor Helland calculates that all the glaciers ...
Pagina 25
... amount of ground moraine is small , not only in comparison with that transported on the surface , but also absolutely ; ( 2 ) That the ice , even under apparently favourable cir- cumstances , though it may act as an abrasive agent , has ...
... amount of ground moraine is small , not only in comparison with that transported on the surface , but also absolutely ; ( 2 ) That the ice , even under apparently favourable cir- cumstances , though it may act as an abrasive agent , has ...
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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.