TNPSC Thervupettagam

‘Natural Arch’ in Odisha

June 21 , 2023 394 days 611 0
  • The Geological Survey of India (GSI) has proposed declaring the ‘Brahmani Natural Arch’ in Odisha as a Geo Heritage Site.
  • It is situated in Kanika range of Sundargarh forest division of Odisha.
  • If it declared so, it will be the biggest natural arch of the country to have the Geo Heritage tag.
  • The natural arch is composed of ferruginous sandstone from the Upper Kamthi Formation.
  • It dates back to the lower to middle Jurassic age, approximately 184 to 160 million years old.
  • India currently has two other natural arches, located at Tirumala hills in Tirupati and Andaman and Nicobar, but both are smaller than the one in Sundargarh.

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