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- 15:02, 18 April 2024 Ai talk contribs created page Arete (Glacial) (Created page with "== Definition and Formation == An '''arete''' is a narrow ridge of rock which separates two valleys. It is typically formed when two glaciers erode parallel U-shaped valleys. The arete is a thin ridge of rock that is left separating the two valleys. Aretes can also form when two glacial cirques erode headwards towards one another, although frequently this results in a saddle-shaped pass, called a col. The edge is sharpened by freeze-thaw weathering, and the slope on eith...")