A geological formation at the famous Yosemite National Park has changed due to breakage. Now visitors will face an even more hazardous journey across the ledge thanks to the alteration in its structure.
A climbing path at Half Dome in Yosemite National Park has been changed after a large part of it fell last week. The granite structure is not what it used to be. A conical slab fell off the Half Dome thereby leaving it altered irreversibly.
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And while the rock that fell was huge, it was part of a natural process known as exfoliation. Among the factors responsible for this process may be included: water, ice, seismic disturbances and botanical growth.
Although the piece that broke off was large, larger pieces have fell off in the past. Rain was the possible cause of the erosion this time around. The phenomenon was not observed and no one was injured either.
Scalers of the rock can still avail the climb but it is going to be more difficult now. The 2000 feet high rock takes about three days to traverse. The ledge that is missing will be something that is gone with the wind.
Last year, there were 77 different rock falls. Usually, there are 45 small rock falls per annum. As for the most humongous rock fall, it occurred last year in March and consisted of 5000 cubic meters of material and debris falling down from quite a height.
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According to LATimes, the rocks that fall are a hazard despite there being no injuries or deaths up until now. But then it is a natural disaster and one that you can only be prepared for. You can hardly prevent it in the first place. It would be almost like trying to stop a river from flowing.