Ice-works, Present and PastK. Paul, Trench, Trübner & Company, Limited, 1896 - 295 pagini |
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Pagina 4
... beneath this spot for a considerable distance the wide field of névé1 shelves so gently as to seem nearly a plain , and its surface is almost unbroken . It is only as the slope steepens , on approaching the base of the actual peaks or ...
... beneath this spot for a considerable distance the wide field of névé1 shelves so gently as to seem nearly a plain , and its surface is almost unbroken . It is only as the slope steepens , on approaching the base of the actual peaks or ...
Pagina 6
... beneath them melts . less rapidly than the exposed surface of the glacier . Sometimes they travel to the end of the ice - stream ; but if small , they are more often engulfed in a crevasse , where we leave them for the present . When ...
... beneath them melts . less rapidly than the exposed surface of the glacier . Sometimes they travel to the end of the ice - stream ; but if small , they are more often engulfed in a crevasse , where we leave them for the present . When ...
Pagina 9
... beneath the ice , like a reef beneath the surface of a swollen river . FIG . 1. Perched Block on ice - worn rock islet , Nerlungshavn , near Langesund , Norway . They lie sometimes on the bare rock , almost un- accompanied by moraine ...
... beneath the ice , like a reef beneath the surface of a swollen river . FIG . 1. Perched Block on ice - worn rock islet , Nerlungshavn , near Langesund , Norway . They lie sometimes on the bare rock , almost un- accompanied by moraine ...
Pagina 11
... the slopes on either side and plunge beneath the ice , bearing with them much débris and many partially rounded stones , which go to augment either the ground moraine or the material which ALPINE GLACIERS , PRESENT AND PAST II.
... the slopes on either side and plunge beneath the ice , bearing with them much débris and many partially rounded stones , which go to augment either the ground moraine or the material which ALPINE GLACIERS , PRESENT AND PAST II.
Pagina 12
... beneath it are smooth and worn , on some sides rather than on others , according as they are more easily retained in the grip of the ice . This causes them to assume a peculiar subangular form , the broader surfaces being marked by ...
... beneath it are smooth and worn , on some sides rather than on others , according as they are more easily retained in the grip of the ice . This causes them to assume a peculiar subangular form , the broader surfaces being marked by ...
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Termeni și expresii frecvente
Alpine Alps amount angular basin beneath boulder clay breccias Carboniferous chalk chap cliffs climate coast comparatively considerable crags débris descend direction distance district Drift 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 Illustrations 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 places 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