Ice-work, Present and PastK. Paul, Trench, Trübner & Company, Limited, 1903 - 295 pagini |
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Pagina 3
... larger and more definite than the rest , descend from snowy saddles , which are separated by grand peaks— masses of steep ice broken by precipices and seamed by outcropping ridges of dark rock . The white floor of the valley , at this ...
... larger and more definite than the rest , descend from snowy saddles , which are separated by grand peaks— masses of steep ice broken by precipices and seamed by outcropping ridges of dark rock . The white floor of the valley , at this ...
Pagina 20
... larger blocks ; in other cases it is not quite so much . We are not , however , obliged to suppose that all this mud has been extruded from beneath the glacier , for it is as abundant in the upper as in the lower part of the moraine ...
... larger blocks ; in other cases it is not quite so much . We are not , however , obliged to suppose that all this mud has been extruded from beneath the glacier , for it is as abundant in the upper as in the lower part of the moraine ...
Pagina 22
... reach the ice , but in the case of the larger glaciers a comparatively level space generally lies at its foot , the breadth of course being dependent on that of the valley which it occupies . This 22 ICE - WORK , PRESENT AND PAST.
... reach the ice , but in the case of the larger glaciers a comparatively level space generally lies at its foot , the breadth of course being dependent on that of the valley which it occupies . This 22 ICE - WORK , PRESENT AND PAST.
Pagina 27
... larger Alpine valleys— that is to say , by the glaciers at a time when they occupied numerous glens from which they have now disappeared , and when their trunk streams were some forty miles in length - we pass to examine the deposits on ...
... larger Alpine valleys— that is to say , by the glaciers at a time when they occupied numerous glens from which they have now disappeared , and when their trunk streams were some forty miles in length - we pass to examine the deposits on ...
Pagina 28
... larger and more subangular in form , now and then exceeding a foot . Sandy partings , from a few to perhaps a dozen inches in thickness , occur here and there , sometimes showing false bedding . The mass passes down into stratified sand ...
... larger and more subangular in form , now and then exceeding a foot . Sandy partings , from a few to perhaps a dozen inches in thickness , occur here and there , sometimes showing false bedding . The mass passes down into stratified sand ...
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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.