Ice-works, Present and PastK. Paul, Trench, Trübner & Company, Limited, 1896 - 295 pagini |
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Pagina vii
... hypothesis of one writer becomes the theory of his successors . Accordingly , I have endeavoured in the following pages to give greater prominence to those facts of glacial geology on which all inferences must be founded . For instance ...
... hypothesis of one writer becomes the theory of his successors . Accordingly , I have endeavoured in the following pages to give greater prominence to those facts of glacial geology on which all inferences must be founded . For instance ...
Pagina 81
... hypothesis not seldom would demand , and the fact that the basins often lie among rocks which are practically insoluble , is fatal to it as one of general application . ( 2. ) The Alpine lakes cannot be hollows eroded by the rivers ...
... hypothesis not seldom would demand , and the fact that the basins often lie among rocks which are practically insoluble , is fatal to it as one of general application . ( 2. ) The Alpine lakes cannot be hollows eroded by the rivers ...
Pagina 82
... hypotheses , as the most probable , having been considered and dismissed , the author shows that the Alpine lakes lie in the paths of the glaciers or ice - sheets which once radiated from the mountains ; that they are " broad or deep ...
... hypotheses , as the most probable , having been considered and dismissed , the author shows that the Alpine lakes lie in the paths of the glaciers or ice - sheets which once radiated from the mountains ; that they are " broad or deep ...
Pagina 84
... hypothesis reply that no one of the last three statements is strictly accurate , and that some of the Alpine lakes not only exhibit a complicated form , but also occur in situa- tions where the excavatory force of the ice - stream must ...
... hypothesis reply that no one of the last three statements is strictly accurate , and that some of the Alpine lakes not only exhibit a complicated form , but also occur in situa- tions where the excavatory force of the ice - stream must ...
Pagina 88
... hypothesis under discus- sion be correct . The Pyrenean glaciers were occa- sionally between forty and fifty miles long ; they came down to the lowlands in situations very favour- able to a process of digging ; yet there are no lakes ...
... hypothesis under discus- sion be correct . The Pyrenean glaciers were occa- sionally between forty and fifty miles long ; they came down to the lowlands in situations very favour- able to a process of digging ; yet there are no lakes ...
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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