How galical Plains are formed Related: NCERT Solutions - Major Landfo...
Glacial plains are formed by the movement of glaciers under the force of gravity
How galical Plains are formed Related: NCERT Solutions - Major Landfo...
Formation of Glacial Plains
Glacial plains are formed by the deposition of sediments left behind by glaciers as they move and melt over time. Here is how glacial plains are formed:
- Glacial Erosion: Glaciers are massive bodies of ice that move slowly over the land, eroding the landscape as they go. Glaciers pick up rocks, soil, and other debris as they move, and this material is carried along with the glacier.
- Glacial Deposition: As glaciers move, they deposit the material they have picked up along the way. When the glacier melts, it leaves behind a vast amount of sediment, creating a glacial plain.
- Ground Moraine: Ground moraine is a type of glacial deposit that forms a flat, featureless plain. It is made up of a mixture of different-sized rock fragments and sediment that has been ground up by the moving glacier.
- Terminal Moraine: Terminal moraines are ridges of sediment that mark the furthest extent of a glacier's advance. When the glacier begins to retreat, it deposits the material it is carrying in a long, narrow ridge.
- Drumlin Fields: Drumlin fields are another type of glacial deposit that forms a gently sloping plain. Drumlins are elongated hills made up of glacial till that have been molded by the moving glacier.
Overall, the formation of glacial plains is a result of the complex interplay between glacial erosion and deposition processes. These plains are characterized by their flat topography and fertile soil, making them ideal for agriculture and settlement.
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