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How are erratics and drumlins alike?
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.
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.
What is a shape called in mathematics?
a shape is called a shape in mathematics
What is the shape of a can?
That shape is called a cylinder.That shape is called a cylinder.That shape is called a cylinder.That shape is called a cylinder.
What are glaciers forming long smooth hills?
They are called drumlins.
Are drumlins constructive or destructive?
Drumlins are considered constructive landforms because they are formed by the deposition of glacial sediments. As glaciers move, they sculpt and reshape the landscape, depositing materials in a streamlined hill or mound shape. This process results in the accumulation of sediment, making drumlins features of constructive geological activity.
What do you call a group of drumlins?
A group of drumlins are referred to as a (basket of eggs)
How are moraines and drumlins are different?
Moraines are formations made of till (rock, sand, and clay) deposited by glaciers, while drumlins are elongated hills made of glacial deposits shaped by the moving ice. Moraines are typically ridges or mounds, while drumlins have a streamlined shape with a gentle slope facing the direction the glacier advanced.
What do drumlins determine in a glacier?
Drumlins are elongated, streamlined hills formed by glacial action, and they provide insight into the flow dynamics of glaciers. The orientation and shape of drumlins indicate the direction of past ice movement, helping researchers understand the glacier's behavior and the landscape it shaped. Additionally, their distribution can reveal information about the thickness of the glacier and the underlying geology. Overall, drumlins serve as important indicators of glacial processes and history.
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 causes drumlins?
Drumlins are elongated, streamlined hills formed by the movement of glacial ice. They are created as glaciers advance, shaping subglacial sediment and debris into a teardrop or boat-like shape. The orientation and form of drumlins are influenced by the direction of glacier flow, and they often consist of till—a mix of clay, silt, sand, and boulders. Their formation typically occurs beneath the ice, as the glacier reshapes the underlying landscape.
Why are drumlins egg-shaped?
Drumlins are egg-shaped due to the way they are formed by glacial activity. As glaciers advance, they move sediment and reshape the landscape; the streamlined, elongated shape of drumlins results from the flow of glacial ice over the underlying till. The tapered end of the drumlin points in the direction of the ice flow, while the broader end faces away, creating the characteristic egg-like form. This shape helps to reduce resistance against the moving glacier, allowing for more efficient movement of ice and sediment.
Why farmers often plant crops on drumlins?
Farmers often plant crops on drumlins because their soil is deep and well-drained.
Where are drumlin's found?
Drumlins are found on a hill
Is a drumlins A result of erosion or deposition?
deposition
What is the long hill formed by glacial drift?
A drumlin is a long, narrow hill formed by glacial drift. Drumlins are typically elongated in the direction of glacier movement and have a smoothed, rounded shape.
