A deep valley characterized by steep step-like slope is known as

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U-shaped valley.

Blind valley.

Gorge.

Canyon.

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This question was previously asked in

UPSC NDA-2 – 2019

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A deep valley characterized by steep step-like slopes is known as a canyon.

Canyons are deep gorges, often with steep to sheer walls, frequently carved by rivers, especially in arid or semi-arid regions where differential erosion of layered sedimentary rock creates a stair-step appearance on the slopes.

While a gorge is also a deep, narrow valley with steep sides, the description “step-like slope” is particularly characteristic of canyons formed in horizontally layered rock where resistant layers form cliffs and weaker layers erode into slopes or benches, creating a stepped profile. A U-shaped valley is glacial in origin, and a blind valley ends abruptly at a sinkhole.

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