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| T-Mobile LTE 9:16 PM @ 29% O 1:46:40 Exit Helpful information: The rocks that form...


| T-Mobile LTE 9:16 PM @ 29% O 1:46:40 Exit Helpful information: The rocks that form the smooth cliff in the background are r
| T-Mobile LTE 9:16 PM @ 29% O 1:46:40 Exit Helpful information: The rocks that form the smooth cliff in the background are reddish sandstone. The same sandstone composes the rock that is precariously balanced in the foreground. The darker reddish rocks below the balanced rock are sandstone and siltstone. The location is several thousand feet above sea level, but well below the tree line. The temperatures are very warm in the summer. There is a major river in the region, but it does not directly affect this location. There are natural arches in the vicinity, carved into the same rock units as shown here. Which of these erosional features is evident in this photograph?
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Ans- The picture is an example of pedestal rock or mushroom rock.

As per the information is given above, wind action is more pronounced in the area(it is several thousand feet above the mean sea level and in the summer days the atmosphere is warm.)

  • This geomorphic feature is the result of wind erosion and abrasion by wind carried angular rock fragments is more pronounced in the lower portion of the rock mass that is why the lower portion resembles more narrower as compared to the top.
  • Erosion is most effective in the lower portion and beyond a certain height, it is negligible, as such the balanced rock mass typically looks like the mushroom.
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