Ice-work, Present and PastK. Paul, Trench, Trübner & Company, Limited, 1903 - 295 pagini |
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Pagina xiii
... Stone from the Till of Boston 3. Section ( Diagrammatic ) of an Old Moraine , near Reiche- nau , Switzerland • 4. Section of Till , near Thalwyl , Lake of Zurich • 9 13 26 31 33 to face page 35 36 5. Till resting on Old Gravel of Limmat ...
... Stone from the Till of Boston 3. Section ( Diagrammatic ) of an Old Moraine , near Reiche- nau , Switzerland • 4. Section of Till , near Thalwyl , Lake of Zurich • 9 13 26 31 33 to face page 35 36 5. Till resting on Old Gravel of Limmat ...
Pagina 5
... 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 lands it out on the glacier some hundreds of feet ...
... 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 lands it out on the glacier some hundreds of feet ...
Pagina 8
... does not roll far ; while on the eastern face the rock structure lends itself to the formation of great precipices , from which masses are continually dislodged , to fall as avalanches of stone 8 ICE - WORK , PRESENT AND PAST.
... does not roll far ; while on the eastern face the rock structure lends itself to the formation of great precipices , from which masses are continually dislodged , to fall as avalanches of stone 8 ICE - WORK , PRESENT AND PAST.
Pagina 9
Thomas George Bonney. are continually dislodged , to fall as avalanches of stone on the ice beneath . Solitary blocks - sometimes many cubic yards in volume may be seen , as we have said , travelling down the glacier ; as it retreats ...
Thomas George Bonney. are continually dislodged , to fall as avalanches of stone on the ice beneath . Solitary blocks - sometimes many cubic yards in volume may be seen , as we have said , travelling down the glacier ; as it retreats ...
Pagina 11
... stones , transported between the ice and the rock , is called ground moraine , or moraine profonde . As to its amount and importance there is much dispute , some holding that a very large quantity of materials travels in this way ...
... stones , transported between the ice and the rock , is called ground moraine , or moraine profonde . As to its amount and importance there is much dispute , some holding that a very large quantity of materials travels in this way ...
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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.