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The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from The Voyage of the Beagle by Charles Darwin: therefore that the appearance of a quicker disintegration of
the solid rock under the snow, was deceptive. Whatever the
cause may be, the quantity of crumbling stone on the Cordillera
is very great. Occasionally in the spring, great masses
of this detritus slide down the mountains, and cover the
snow-drifts in the valleys, thus forming natural ice-houses.
We rode over one, the height of which was far below the
limit of perpetual snow.
As the evening drew to a close, we reached a singular
basin-like plain, called the Valle del Yeso. It was covered
by a little dry pasture, and we had the pleasant sight of a
The Voyage of the Beagle |
