Ice-work, Present and PastK. Paul, Trench, Trübner & Company, Limited, 1903 - 295 pagini |
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Pagina 3
... streams glide slowly forth , forming the Great Aletsch Glacier , the largest in the Alps . Such a hidden group of glaciers is far from rare in the great mountain chains . To speak of the 3 Alps alone , the basins of the Gorner and the.
... streams glide slowly forth , forming the Great Aletsch Glacier , the largest in the Alps . Such a hidden group of glaciers is far from rare in the great mountain chains . To speak of the 3 Alps alone , the basins of the Gorner and the.
Pagina 5
... stream . Obviously , as the valley which it descends becomes better defined and sinks deeper into the mountain mass , the crags and precipitous slopes on either hand rise higher and barer , and stones more often come thundering down ...
... stream . Obviously , as the valley which it descends becomes better defined and sinks deeper into the mountain mass , the crags and precipitous slopes on either hand rise higher and barer , and stones more often come thundering down ...
Pagina 6
... stream ; but if small , they are more often engulfed in a crevasse , where we leave them for the present . When the ... streams of Green- land . See Prestwich , " Geology , " Part II . chap . xxxiii . 2 This is called a medial moraine ...
... stream ; but if small , they are more often engulfed in a crevasse , where we leave them for the present . When the ... streams of Green- land . See Prestwich , " Geology , " Part II . chap . xxxiii . 2 This is called a medial moraine ...
Pagina 7
... stream . But the moraine has now lost its bank- like form , its materials have been scattered . Some of the blocks which were swallowed up in the shal- lower fissures appear again , in some cases disclosed by the melting of the ice , in ...
... stream . But the moraine has now lost its bank- like form , its materials have been scattered . Some of the blocks which were swallowed up in the shal- lower fissures appear again , in some cases disclosed by the melting of the ice , in ...
Pagina 8
... streams for about a quarter of their whole length , and piled up in heaps or hillocks more than fifty feet high . The cause is this : the mountain range is largely composed of slabby slaty masses of stratified rock , which dip towards ...
... streams for about a quarter of their whole length , and piled up in heaps or hillocks more than fifty feet high . The cause is this : the mountain range is largely composed of slabby slaty masses of stratified rock , which dip towards ...
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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.