Describe erosional and depositional glacier features with the help of

Question

Describe erosional and depositional glacier features with the help of neat well labelled diagrams.

08 Feb 2025

Answer :

Word Count : 724

Glaciers are massive moving bodies of ice that significantly shape the Earth's surface through both erosional and depositional processes. These processes, driven by the glacier’s movement, create a wide variety of landforms that are categorized as erosional or depositional glacier features.

Erosional Glacier Features

When glaciers move, they erode the underlying bedrock, carving out various landforms. This process primarily involves two mechanisms: abrasion and plucking.

1. Abrasion: This occurs when the glacier’s base, laden with debris, grinds against the bedrock, acting like sandpaper. This causes the surface to wear away, forming smooth and polished surfaces known as *striations*. The rocks within the glacier act as tools for abrasion, scratching the underlying bedrock. Over time, this process results in the formation of valleys with steep walls and broad floors.

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