A narrow, sharp-edged mountain ridge separating two adjacent glacial valleys or cirques, formed as glacial erosion cuts back into the mountainside from both sides until only a thin, knife-like divide remains between them. Aretes are among the most visually distinctive landforms of a heavily glaciated alpine landscape.
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Source Arete Formation (Wikipedia)
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Arete Formation (Wikipedia)
Wikimedia FoundationShaped By: Glacial Erosion, LeadQuote, Shaped By: Glacial Erosion, Lead
It is typically formed when two glaciers erode parallel U-shaped valleys.
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