Podcast
Questions and Answers
What feature is created by the accumulation of dirt and rocks on a glacier's surface?
What feature is created by the accumulation of dirt and rocks on a glacier's surface?
Which type of mass wasting occurs when a mass of rock slides down a slope along a curved surface?
Which type of mass wasting occurs when a mass of rock slides down a slope along a curved surface?
What is the process by which glaciers erode surfaces as they move?
What is the process by which glaciers erode surfaces as they move?
What happens when glaciers melt and sediment is carried away by water?
What happens when glaciers melt and sediment is carried away by water?
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What is the term for the flow of soil that contains a large amount of water moving down a slope?
What is the term for the flow of soil that contains a large amount of water moving down a slope?
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Study Notes
Glaciers
- Glaciers erode surfaces through abrasion, this happens by rocks and debris carried by the glacier wearing down surfaces.
- Moraines form when dirt and rocks are pushed along the glacier's surface.
- Drumlins are hill-shaped features, formed when glaciers push and shape underlying sediments.
- Meltwater deposits are sediments carried and deposited by streams flowing from melting glaciers.
- Iceberg deposits happen when rocks and sediments are carried by melting icebergs, and then deposited on the ocean floor.
- Glacial lakes are formed when glaciers erode land and then melt, filling the space with water.
Mass Wasting
- Mass wasting is the downhill movement of rocks and soil due to gravity.
- Landslides involve the movement of sediments down a slope and can be caused by earthquakes, volcanic eruptions or weakened rocks from heavy rain.
- Mudflows occur after heavy rain, picking up rocks and boulders as they move downslope.
- Slumps are downward slides of rock or unconsolidated materials along a curved surface.
- Debris flows are flows of soil containing a large amount of water, moving downwards along a slope.
- Creep is a slow type of mass wasting caused by the expansion and contraction of the surface due to freezing/melting or wetting/drying.
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Description
Test your knowledge on the processes of glaciers and mass wasting. This quiz covers topics such as glacier erosion, moraine formation, and the mechanics of landslides and mudflows. Understand the significant impact of these geological processes on the landscape.
