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About 13’000 years ago the history of glacial periods ended, at least for the time being. One last «backlash» dates back to 11’000 years ago, when, with the reduction phase already in progress, modifications in the North Atlantic current flow led to a new, «brief» (about 1’000 years long) glaciation.
The great shaping of the Earth’s surface by glaciers took place, not differently from what is happening today on a very much smaller scale, as a result of two major mechanisms: glacial deposits (moraines, erratic boulders, etc), and erosion (amongst the effects of which, albeit linked with more complex phenomena, are the so called giants’ pots. In Cavaglia there are two examples of glacial erosion: the giants’ pots and the Cavagliasco gorge. With reference to the rock hole phenomenon it should be noted that the direct role of the glaciers in their formation is at times overstated. |
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In June 2004 Prof. Luca Bonardi of the University of Milan visited the Cavaglia Glacier Garden and was impressed by its beauty
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