Question:
Cirque originated by:
Cirque originated by:
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Cirques are commonly associated with nivation and glacial erosion at the heads of valleys.
Updated On: May 19, 2026
- Abrasion
- Ablation
- Calvation
- Nivation
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The Correct Option is D
Solution and Explanation
Concept:
Cirques are bowl-shaped depressions found at the head of glacial valleys. They are associated with glacial and snow-related erosional processes.
Step 1: Understand cirque formation.
Cirques form in areas where snow accumulates and gradually modifies the underlying rock surface.
Step 2: Identify the process.
Nivation is the process of erosion and weathering associated with snow patches. It plays an important role in the origin of cirques. \[ \text{Cirque origin} \Rightarrow \text{Nivation} \]
Step 3: Eliminate other options.
Abrasion is scraping action by ice or sediments.
Ablation means melting or loss of ice.
Calvation is not the correct process here. \[ \therefore \text{Correct Answer is (D)} \]
Cirques are bowl-shaped depressions found at the head of glacial valleys. They are associated with glacial and snow-related erosional processes.
Step 1: Understand cirque formation.
Cirques form in areas where snow accumulates and gradually modifies the underlying rock surface.
Step 2: Identify the process.
Nivation is the process of erosion and weathering associated with snow patches. It plays an important role in the origin of cirques. \[ \text{Cirque origin} \Rightarrow \text{Nivation} \]
Step 3: Eliminate other options.
Abrasion is scraping action by ice or sediments.
Ablation means melting or loss of ice.
Calvation is not the correct process here. \[ \therefore \text{Correct Answer is (D)} \]
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