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drumlin
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drumlin

Long streamlined hill created in formerly glaciated areas. Debris (till) is transported by the glacial icesheet and moulded to form an egg-shaped mound, 8–60 m/25–200 ft in height and 0.5–1 km/0.3–0.6 mi in length. Drumlins commonly occur in groups on the floor of glacial troughs, producing what is called a ‘basket-of-eggs’ landscape.

Drumlins are important indicators of the direction of ice flow, as their blunt ends point upstream, and their gentler slopes trail off downstream.



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Were the drumlins formed while the glaciers were advancing or while they were retreating?
Then my husband said, "You're always going on about those geological formations that you like, drumlins and eskers, so why don't you call yourself after that?
Some drumlins are made of sediments deposited onto bedrock; others are ridges carved out of the rock.
 
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