Iagttagelser fra bræer i Sogn og Fjordane
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Forkortet: In the valleys in front of the Norwegian glaciers, there are nearly always great plains of sand and gravel, which the glacial streams have deposited. Om pp. 4 to 8, this is instanced by an account of the fluvial gravel plains in front of the Tunsbergdal Glacier and th Nigard Glacier in Sogn. The bottom of the valleys in front of these glaciers is covered with sand and gravel to such a height, that they form gently sloping plains through which the glacier- streams meander, now dividing into many branches, and now again uniting (compare Figs.1-4). These plains, both in front of the Tunsbergdal Glacier and of the Nigard Glacier, have a length of 6 km. How great the depth of the gravel is, cannot be seen, because there are no cuttings; but the broad plains at the bottom of the valleys, surrounded with steep, rocky walls, indicate that the sand and gravel must have a considerable depth. The quantity of detrius in the terminal moraines in quite insignificant compared with the masses of sand and gravel. which the streams from the glaciers have spread out as fillings in the valleys. In Norway, beyond the regions where glaciers now occur, there are also many parts of the valleys, which, in the last phase of the Ice Age, were filled by the glacial streams with gravel plains such as these.