The general absence of recent marks of glacial action in Eastern Europe is well known; and the series of changes which have been so well traced and described by Prof.
Other geologists however deny that there are any distinct indications of glacial action in South Africa; but the recent discovery by Dr.
The geological age of this bed cannot be very great, and it has clearly been formed since the present basin of the Ice Sound, or at least the greater part of it, has been hollowed out by glacial action.
In China, on the Yang-tse river, a thick deposit has been found full of boulders of diverse kinds of rock, striated in the manner that is typical of glacial action.
Glacial action may be studied well as far south as 36 deg.
It only remains to enquire what the facts really are and over how great an extent of territory the actual results of glacial action may be found.
In addition to these two lines of evidence of glacial action in New England, we should mention also the innumerable glacial grooves and scratches upon the rocks which can be found on almost any freshly uncovered surface.
They appear again and again in France and Spain and Italy, and in the low-grounds of middle Europe, where they occupy positions now far removed from the influence of glacial action.
The Results of Fluvio-glacial Action in North America.
I looked in vain for any signs of scratching or scoring, at all comparable to that produced by glacial action.
There are hundreds and perhaps thousands of lakes that have been formed in one way or another through the power of glacial action.
It is supposed, however, that this lake is entirely the product of glacial action, as there is no evidence of an old river bed in its bottom; besides, it is much shallower than the other lakes.
The action of water under heat is very peculiar, and in order to get a correct understanding of the phenomena exhibited in glacial action we also need to understand the phenomena of water at the freezing point.
He is, therefore, entitled to speak with authority on matters of glacial action.
The bed of Glen Spean, through its whole extent from east to west, is marked, as I have said, by glacial action, in rectilinear scratches and furrows.
There is another character of glacial action distinguishing it from any abrasions caused by water, even if freighted with a large amount of loose materials.
I found the bottom of Glen Spean so worn by glacial action as to leave no doubt in my mind that it must have been the bed of a great glacier, and Dr.
Many bowlders near the Springs are very strongly marked by glacial action.
Its later topography has been materially modified by glacial action, and this is fully discussed by Professor Joseph Le Conte in the following chapter.
This is discussed in the chapter on glacial action.
As a natural consequence, therefore, visitors may expect to find evidences of glacial action on every hand.
Successive phases in the Development of Glacial Action in the Alps.
It is from the presence of these heaps in valleys now abandoned by glaciers that we obtain some information as to the former greater extent of glacial action.
Doubtless more than nine tenths of all the lake basins, especially those of small size, which exist in the world are due to irregularities of the land surface which are brought about by glacial action.
Now and then perhaps the wearing was intensified by glacial action, for an ice sheet often cuts with a speed many times as great as that which fluid water can accomplish.
The practised eye can in a way judge how long a valley has been subjected to glacial action by the extent to which it has been widened by this process.
Glacial action even on this lofty summit is plainly displayed.
A fine region this for study of glacial actionin mountain-making.
After a few weeks he was able to return to his work, and the next letter gives some idea of his observations, especially upon the traces of glacial action in the immediate vicinity of Boston and upon the shores of Massachusetts Bay.
In a continent of wide plains and unbroken surfaces, and, therefore, with few centres of glacial action, the phenomena were more widely and uniformly scattered than in Europe.
From the foot of the Fall the trail zigzags up a narrow canyon between the fall and a plain mural cliff that is burnished here and there by glacial action.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "glacial action" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
