Bajdzjarach
Sign in to savethumb|300px|The shoreline formations of Stolbovoy Island. Note the polygons on the lower left and the conical mounds along the seashore. Baydzharakh (; Yakut: Бадьараах, Baçaraakh) is a term based in the Yakut language, referring to a roughly cone-shaped natural rock formation. They are usually composed of siltstone, silty peat or loam.
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thumb|300px|The shoreline formations of Stolbovoy Island. Note the polygons on the lower left and the conical mounds along the seashore. Baydzharakh (; Yakut: Бадьараах, Baçaraakh) is a term based in the Yakut language, referring to a roughly cone-shaped natural rock formation. They are usually composed of siltstone, silty peat or loam.
==Description== Baydzharakhs form owing to thermokarst activity in periglacial areas. They are the result of a cryolithological process by which polygonal ice-wedges thaw within the permafrost. These formations usually reach a height between and with an area at the base between to .
Excerpted from Wikipedia’s “Bajdzjarach” article, available under the CC BY-SA 4.0 licence.