Ice-work, Present and PastK. Paul, Trench, Trübner & Company, Limited, 1903 - 295 pagini |
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Pagina xi
... TEMPERATURE IN THE GLACIAL EPOCH II . POSSIBLE CAUSES OF A GLACIAL EPOCH III . THE NUMBER OF GLACIAL EF OCHS PAGE 3 38 79 • 120 • 206 · 231 • 247 261 • IV . GLACIAL DEPOSITS AND GENERAL PRINCIPLES OF INTERPRETATION xi • 270 LIST OF ...
... TEMPERATURE IN THE GLACIAL EPOCH II . POSSIBLE CAUSES OF A GLACIAL EPOCH III . THE NUMBER OF GLACIAL EF OCHS PAGE 3 38 79 • 120 • 206 · 231 • 247 261 • IV . GLACIAL DEPOSITS AND GENERAL PRINCIPLES OF INTERPRETATION xi • 270 LIST OF ...
Pagina 6
... temperature and is transformed into a river . In this case the medial moraines are also continuous , and produce great mounds , almost comparable with rail- way embankments . It must not , however , be supposed that these consist ...
... temperature and is transformed into a river . In this case the medial moraines are also continuous , and produce great mounds , almost comparable with rail- way embankments . It must not , however , be supposed that these consist ...
Pagina 38
... , in the Northern Hemisphere , extends beyond the seventy - ninth parallel of latitude . Over almost the whole region the mean annual temperature is below the 38 ALPINE GLACIERS, PAST AND PRESENT ARCTIC AND ANTARCTIC ICE-SHEETS.
... , in the Northern Hemisphere , extends beyond the seventy - ninth parallel of latitude . Over almost the whole region the mean annual temperature is below the 38 ALPINE GLACIERS, PAST AND PRESENT ARCTIC AND ANTARCTIC ICE-SHEETS.
Pagina 39
... temperature about latitude 70 ° being often as low as 32 ° . It is not probable that the climate in any part of Europe during the Glacial Epoch was as severe as this , so that we may regard Green- land as exhibiting a picture of cold ...
... temperature about latitude 70 ° being often as low as 32 ° . It is not probable that the climate in any part of Europe during the Glacial Epoch was as severe as this , so that we may regard Green- land as exhibiting a picture of cold ...
Pagina 40
... temperature of Yakutsk , in latitude 62 ° north , is as low as 40 ° F. , and the soil is per- manently frozen to a depth of about 700 feet . Yet in all this region , notwithstanding the intense cold , glaciers are unknown . The reason ...
... temperature of Yakutsk , in latitude 62 ° north , is as low as 40 ° F. , and the soil is per- manently frozen to a depth of about 700 feet . Yet in all this region , notwithstanding the intense cold , glaciers are unknown . The reason ...
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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.