[A Naturalist’s Voyage Round the World by Charles Darwin]@TWC D-Link bookA Naturalist’s Voyage Round the World CHAPTER IX 54/67
The expression "streams of stones," which immediately occurred to every one, conveys the same idea.
These scenes are on the spot rendered more striking by the contrast of the low, rounded forms of the neighbouring hills. I was interested by finding on the highest peak of one range (about 700 feet above the sea) a great arched fragment, lying on its convex side, or back downwards.
Must we believe that it was fairly pitched up in the air, and thus turned? Or, with more probability, that there existed formerly a part of the same range more elevated than the point on which this monument of a great convulsion of nature now lies.
As the fragments in the valleys are neither rounded nor the crevices filled up with sand, we must infer that the period of violence was subsequent to the land having been raised above the waters of the sea.
In a transverse section within these valleys the bottom is nearly level, or rises but very little towards either side.
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