They have been robbed by the erosive action of waves and running water.
In this excursion only the marginal portion of the glacier would do erosive work.
The laws of gravitation, the erosive powers of water, the effects of frost, are just the same at wholesale as they are at retail.
She set her face determinedly against the erosive impatience of despair.
The erosive action of the sea, from our present point of view, is of comparatively little importance.
Then the erosive waste exceeds the growth by up-bulging, and mountain decay begins.
They often occur in cavities which have been formed by the erosive action of acidulated water, in the way described in pars.
There can be no doubt, then, that glaciers have an erosive action, and therefore must be regarded as agents of denudation.
It is as if these striking forms were inherent in the rocks, waiting for the erosive forces to liberate them.
Vast portions of the mountain have already been carried away by the erosive forces of ice and running water.