Ice-work, Present and PastK. Paul, Trench, Trübner & Company, Limited, 1903 - 295 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 56
Pagina 9
... occasionally stranded , either on the sloping flanks of the valley , or on some prominent hummock of rock which previously had been concealed beneath the ice , like a reef beneath the surface of a swollen river FIG . 1. Perched Block on ...
... occasionally stranded , either on the sloping flanks of the valley , or on some prominent hummock of rock which previously had been concealed beneath the ice , like a reef beneath the surface of a swollen river FIG . 1. Perched Block on ...
Pagina 11
... occasionally descend 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 ...
... occasionally descend 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 ...
Pagina 14
... occasionally some yards , in depth . During the retreat of the ice these hollows , called " giants ' kettles , " often become filled up with mud and stones . Such , then , are the effects of a glacier : namely , perched blocks and ...
... occasionally some yards , in depth . During the retreat of the ice these hollows , called " giants ' kettles , " often become filled up with mud and stones . Such , then , are the effects of a glacier : namely , perched blocks and ...
Pagina 18
... occasionally three or four may be seen practically in contact . Numbers have been broken up for building , road - metalling , and wayside posts . The volume of the largest is estimated at 60,480 cubic feet , and on its flat top a ...
... occasionally three or four may be seen practically in contact . Numbers have been broken up for building , road - metalling , and wayside posts . The volume of the largest is estimated at 60,480 cubic feet , and on its flat top a ...
Pagina 22
... occasional boulder , generally small and solitary . The mode in which a glacier terminates varies with local circumstances . Here it may end in a ravine , there descend on to comparatively level ground ; here the final ice slope may be ...
... occasional boulder , generally small and solitary . The mode in which a glacier terminates varies with local circumstances . Here it may end in a ravine , there descend on to comparatively level ground ; here the final ice slope may be ...
Alte ediții - Afișează-le pe toate
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.