How is Pediplain Formed?
By BYJU'S Exam Prep
Updated on: November 9th, 2023
Pediplain is formed by the joining of multiple pediments. Pediments can be called erosional surfaces. It is described as a rock surface that is flat and wide. They develop due to erosion caused by flowing water sheets or flooding of sheets over them. It can be covered in a thin layer of river gravel which may be caused by the retreat of rock from the foot of the mountains.
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Formation of Pediplain
A pediplain is a collection of pediments formed by erosion. Behind the construction of the pediplain and pediment is erosion caused by water and wind. Persistent wind and water erode rock surfaces and disintegrate them into smaller pieces.
These small fragments that were once mountain ranges form pediments towards the foot of the mountains. These pediments tend to slope downwards, where they interact with each other to form a broad and flaky rock surface known as a pediplain.
- Pediplanes are most commonly formed around arid and semi-arid regions with short periods of heavy rainfall.
- It is formed by the processes of lateral erosion and mechanical weathering.
- The concept of pediplains was first introduced to the world of Geology by Lester Charles King, a famous Geologist, in his text called ‘South Artificial Scenery’.
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