​Erosional & Depositional Landforms - ​Glaciers & Glacial Landforms

A mass of ice formed from compacted, re-crystallised snow that is thick enough to flow plastically is known as a glacier. Glaciers at present cover about 15 million sq. km or about 10 per cent of the land area of the Earth.

  • Over 96 per cent of the glacier ice, however, occurs in Antarctica and Greenland in the form of thick masses of ice-sheet. The greatest thickness of ice measured is 4270 metres (Antarctica).

Glaciers, in general, are of two types:

  1. Continental Glaciers
    • The average thickness of Antarctic ice-sheet is 2000 m which covers an area of 8 million sq. km. ....
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Geography Of India