arête

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Sharp narrow ridge separating two glacial troughs (U-shaped valleys), or corries. They are formed by intense freeze–thaw weathering on the sides of mountains. The typical U-shaped cross-sections of glacial troughs give arêtes very steep sides. Arêtes are common in glaciated mountain regions such as the Rockies, the Himalayas, and the Alps. There are also several in the UK, for example Striding Edge and Swirral Edge in the English Lake District.

Red represents the blood of Jesus. Effective date: c. 1862. >>