This type of Geomorphic feature has been explained well in the BBC documentary : https://www.bbc.co.uk/programmes/m001cd9m
https://drive.google.com/file/d/1RiGdh9-Fvwfsc9nWMrIPJQpaJNSO2Nyx/view?usp=sharing
65 Million Year Old Columnar Basalt Formation has been discovered in Telangana by Independent researchers, palaeontologists and archaeologists in the forests of Bazarhathnoor mandal in Adilabad district, of Telangana.The grey-brown rock with a reddish tinge is the characteristic of volcanic basalt. When uniform cooling and contraction in a homogeneous magma takes place upon being exposed to air and seawater, the parting planes tend to take on a regular columnar or prismatic form, it cracks and contracts, creating the polygonal design of these columns.
This site could be declared as a geo-heritage site.
Reference and photo courtesy
Another such well known example occurs at St Mary's Island - https://www.india.com/travel/articles/amazing-natural-wonders-of-the-world-columnar-basaltic-lava-st-marys-islands-3236121/
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