A deep valley with steep, often near-vertical walls, typically cut by a river through resistant rock over a long span of geological time, frequently aided by regional uplift that steepens the river's gradient as erosion proceeds. The Grand Canyon, carved by the Colorado River, is the landform's best-known example anywhere in the world.
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Canyon, Wikipedia
Shaped By: Erosion, LeadQuote, Shaped By: Erosion, Lead
A canyon (from Spanish cañón; archaic British English spelling: cañon), gorge or chasm, is a deep cleft between escarpments or cliffs resulting from weathering and the erosive activity of a river over geologic time scales.
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