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Geological Formations

Chink (geology)

Erosional and Karst Formations

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A chink is a regional term used in Central Asia for a steep chalk or limestone escarpment or cliff, reaching heights of up to 350 meters and often forming the edge of a flat topped elevation. Chinks form through denudation and abrasion during the regressions of the Caspian and Aral seas, and can also result from tectonic uplift, typically where a layer of hard rock overlies softer rock beneath it; they are most commonly found on the Mangyshlak Peninsula and the Ustyurt Plateau.

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