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drumlin |
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drumlin (drŭm`lĭn), smooth oval hill of glacial drift drift, deposit of mixed clay, gravel, sand, and boulders transported and laid down by glaciers. Stratified, or glaciofluvial, drift is carried by waters flowing from the melting ice of a glacier. ..... Click the link for more information. , elongated in the direction of the movement of the ice that deposited it. Drumlins, which may be more than 150 ft (45 m) high and more than 1-2 mi (.8 km) long, are common in New York, Wisconsin, Canada, and Northern Ireland. drumlin [′drəm·lən] (geology) A hill of glacial drift or bedrock having a half-ellipsoidal streamline form like the inverted bowl of a spoon, with its long axis paralleling the direction of movement of the glacier that fashioned it. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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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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