Geography • Physical GeographyMedium
Which of the following depositional landforms is formed when sediment-laden glacial meltwater streams deposit coarse gravel and sand in stratified layers parallel to the ice front during the retreat of a glacier?
A. Drumlin
B. Esker
C. Kame✓ Correct Answer
D. Moraine
💡 Solution & Explanation
Kames are steep-sided mounds or heaps of stratified sand and gravel formed by glacial meltwater deposition in depressions or ice-contact openings on the surface of a stagnant or retreating glacier. Drumlins are streamlined asymmetrical hills composed primarily of till rather than stratified meltwater deposits. Eskers are winding ridges of sand and gravel deposited by subglacial meltwater tunnels, while moraines consist of unstratified unsorted glacial debris.
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