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Erra Matti Dibbalu
September 18 , 2025
16 hrs 0 min
14
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- Erra Matti Dibbalu, the red sand dunes along the Visakhapatnam–Bheemunipatnam beach road, have been added to the tentative list of UNESCO’s Natural Heritage Sites.
- The site stands at heights of 10 to 30 feet and is already among India’s 34 national geo-heritage sites.
- The dunes were formed around 18,500 years ago during the last glacial maximum when the sea had receded about 100 metres.
- Red coloration of the sand is due to the presence of ferrous minerals that oxidize over time.
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