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What are Eskers?

Filed under: Geography on 2022-06-18 22:13:11
When glaciers melt in summer, the water which formed as a result of melting accumulates beneath the glacier and flows like streams in channels beneath that ice.
    
Very coarse material like boulders, blocks and some minor fractions of rock debris are carried away by these streams.
    
They later get deposited in the valleys itself and once the ice melts completely, they are visible to the surface as sinuous ridges.
    
These ridges are called as Eskers.
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