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Erratics and drumlins are both types of geological formations associated with glacial activity. Erratics are large boulders transported and deposited by glaciers, often found in areas where the surrounding rock is different from the rock type of the erratic. Drumlins, on the other hand, are elongated hills formed from glacial till that has been shaped by the movement of ice. Both features provide evidence of past glacial movements and help in understanding the dynamics of glacial landscapes.
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Why are drumlins this shape?
Drumlins are elongated, hill-like landforms that typically have a streamlined shape, formed by the movement of glacial ice. As glaciers advance, they erode and reshape the underlying landscape, depositing sediment in a manner that creates the characteristic teardrop or oval shape of drumlins. The tapering end points in the direction of glacier movement, while the broader end faces the opposing side. This formation process results in their distinctive profile, reflecting the dynamics of glacial flow and the deposition of materials.
Which glacial landforms require more than one glacier to form?
aretes,hanging valleys,horns,and drumlins
How do drumlins and eskers form?
Drumlins and eskers are landforms created by glacial activity. Drumlins are elongated hills formed by the movement of glacial ice, which shapes the underlying sediment into a streamlined form as the glacier advances and retreats. In contrast, eskers are long, winding ridges of sediment deposited by meltwater streams that flow beneath or within a glacier, leaving behind layers of sand and gravel as the glacier retreats. Both features are indicators of past glacial processes and provide insights into the dynamics of ice movement.
How the circumference of a circle and perimeter of a polygon are alike?
They are alike because both are just alike..
How does the words fifteen and flatter alike?
How is is fifteen and flatter alike
What landforms would be created by outwash A moraines B eskers C drumlins D erratics?
b. eskers
What are glaciers forming long smooth hills?
They are called drumlins.
When was Glacial Erratics discovered?
Erratics were discovered by first humans in Ireland.
What do you call a group of drumlins?
A group of drumlins are referred to as a (basket of eggs)
Is drumlin erosion or deposition?
Drumlins are caused by both erosion and deposition. These drumlins are found in the lowlands of Scotland and are small egg shaped hills.
What does the formation of erratics and kettle have in common?
They are both large
Which is a landscape feature created by glacial deposits?
A moraine is a landscape feature created by glacial deposits. Moraines are formations of unsorted rock debris that were transported and deposited by a glacier as it moved and melted. They can be found in various forms such as terminal moraines at the end of glaciers or lateral moraines along their sides.
Why farmers often plant crops on drumlins?
Farmers often plant crops on drumlins because their soil is deep and well-drained.
The direction of movement of a glacier is best indicated by the?
The direction of movement of a glacier is best indicated by the presence of striations on the underlying bedrock, the alignment of glacial erratics (rocks different from the surrounding bedrock), and the formation of drumlins (elongated hills of glacial sediment). Additionally, the shape of the glacier's terminus and the distribution of moraines can also provide clues about its movement direction.
What does the formation of erratics kettle lakes have in common?
They are both large
What does the formation of erratics and kettle lakes in common?
They are both large
Where are drumlin's found?
Drumlins are found on a hill
