Scarcity of Marine Shells in Glacial Drift of Canada and the United States.
This line of extreme ice flow is marked byglacial drift so prominently that no one who has studied glacial action can doubt for a moment what was the cause of these deposits.
When the ice flowed down it surrounded these hills, yet did not sweep over their tops, but left great piles of glacial drift, both at the points where the river channel entered the hills and where it emerges from them.
In some lakes of the second class erosion undoubtedly entered into their formation as well as the piling up of glacial drift.
Upland gravel of various kinds and periods, consisting in some places of unstratified boulder clay or glacial drift.
Glacial drift of Wales, with marine fossil shells, about 1400 feet high, on Moel Tryfaen.
Glacial drift of Scotland, with marine shells and remains of mammoth.
Since lithological and physical heterogeneity are characteristics of glacial drift, they together afford a criterion which is often of service in distinguishing glacial drift from other surface formations.
Thus the stones, large and small, of glacial drift, will be smoothed and striated.
Another characteristic of glacial drift, and one which clearly distinguishes it from all other formations with which it might be confounded, is easily understood from its method of formation.
Lakes having outlets are drained away as their basin rims are cut down by the outflowing streams,--a slow process where the rim is of hard rock, but a rapid one where it is of soft material such as glacial drift.
A Young River, Iowa Note that it has hardly begun to cut in the plain of glacial drifton which it flows] =Contours.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "glacial drift" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.