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Published online by Cambridge University Press: 01 May 2009
Aspect of Newfoundland.—It has been suggested that the so-called glacial effects which are universally seen in temperate, and even in tropical regions, may in many cases have been due to an ocean on which great icebergs floated. These, as they moved from point to point (like huge pepper-castors), strewed broadcast boulders and detrital matter, such as are now to be seen over an area like that of Russia and parts of North America. The effect of the force of impact of these tremendous masses has also been dwelt on, and the way in which they could grind, smooth down, or rub up the surface of a submerged area, has also often been referred to.
page 348 note 1 Many of the effects of ice now seen in Nova Scotia are described by Dawson in his “Acadian Geology,” p. 64, et seq., as resembling those now produced by frost and floating ice. Blocks of stone are shown to have travelled from elevation to elevation, across valleys which may have been accomplished by ice-floes or bergs. Other blocks again are shown to have travelled from low plains to the summit of hills, which is explained on the supposition that the land at the time of their deposit being slowly subsiding, and the ice-fields of successive years raising them higher and higher.