Podcast
Questions and Answers
What is a valley glacier?
What is a valley glacier?
What is an arete?
What is an arete?
A jagged, narrow ridge that separates two adjacent glacier valleys or cirques.
What is a cirque?
What is a cirque?
A bowl shaped basin carved by a glacier.
What is a horn?
What is a horn?
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What is a glacial lake?
What is a glacial lake?
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What is a moraine?
What is a moraine?
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What is a kettle lake?
What is a kettle lake?
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What is a drumlin?
What is a drumlin?
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What is a U-shaped valley?
What is a U-shaped valley?
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What is a fiord?
What is a fiord?
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What is an ice age?
What is an ice age?
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Study Notes
Valley Glaciers
- Form in mountain valleys from the accumulation of snow and ice.
- Characterized by a long and narrow shape.
Geographical Features
- Arete: A narrow, jagged ridge created by the erosion of two adjacent glacier valleys or cirques.
- Cirque: A bowl-shaped basin formed by glacial erosion, often found at the head of a valley.
- Horn: A pointed mountain peak, typically with a pyramidal shape, formed by the convergence of multiple cirques.
Glacial Lakes and Landforms
- Glacial Lake: Large lakes left in long basins after glaciers retreat.
- Kettle Lake: Small lakes that form in depressions created by melting ice chunks left in sediment.
- Moraine: A ridge composed of till, formed from materials deposited at the edges of a glacier.
- Drumlin: An elongated hill of till shaped by the direction of glacier flow.
Valley Morphology
- U-shaped Valley: Created when a glacier erodes the landscape, resulting in a distinctive U shape.
- Fiord: Coastal valleys submerged by rising sea levels after being carved by glacial activity.
Ice Age
- Defined as any historical period when glaciers covered significant portions of the Earth’s surface.
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Description
Test your knowledge of valley and continental glaciers with these flashcards. This quiz covers essential glacial terms and features, helping you understand how glaciers shape the landscape. Perfect for geology students or anyone interested in earth sciences.