Ice-work, Present and PastK. Paul, Trench, Trübner & Company, Limited, 1903 - 295 pagini |
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Pagina 29
... vary from coarse to fine , and from subangular to fairly rounded , the smaller stones as a rule being the better worn . In the upper part of one section they run large , some of the blocks being about half a yard in diameter , while in ...
... vary from coarse to fine , and from subangular to fairly rounded , the smaller stones as a rule being the better worn . In the upper part of one section they run large , some of the blocks being about half a yard in diameter , while in ...
Pagina 90
... last chapter , lie in the path of the vanished ice - sheet . They appear to be true rock 1 E. Whymper , " Scrambles among the Alps , " chap . vi . basins . They vary in shape , and the forms 90 ICE - WORK , PRESENT AND PAST.
... last chapter , lie in the path of the vanished ice - sheet . They appear to be true rock 1 E. Whymper , " Scrambles among the Alps , " chap . vi . basins . They vary in shape , and the forms 90 ICE - WORK , PRESENT AND PAST.
Pagina 91
Thomas George Bonney. basins . They vary in shape , and the forms of some , if only their scale were reduced , would find parallels among the Alpine lakes ; indeed , at one time there was a disposition to claim them as the work of ice ...
Thomas George Bonney. basins . They vary in shape , and the forms of some , if only their scale were reduced , would find parallels among the Alpine lakes ; indeed , at one time there was a disposition to claim them as the work of ice ...
Pagina 117
... vary in size from a few hundred feet to a mile in length , with usually half to two - thirds as great width . Their height , corresponding to their area , varies from 25 to 200 1 " The Ice Age in North America , " chap . xi . feet . But ...
... vary in size from a few hundred feet to a mile in length , with usually half to two - thirds as great width . Their height , corresponding to their area , varies from 25 to 200 1 " The Ice Age in North America , " chap . xi . feet . But ...
Pagina 130
... vary from angular to subangular , 1 well - rounded stones being in the minority . Generally they are less than an inch in diameter , but larger specimens are not These more commonly run up to six inches , but occasionally are twelve ...
... vary from angular to subangular , 1 well - rounded stones being in the minority . Generally they are less than an inch in diameter , but larger specimens are not These more commonly run up to six inches , but occasionally are twelve ...
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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.