GSI Declares Kalinjar Fort Hill in UP as National Geo-Heritage Site
In March 2026, the Geological Survey of India (GSI) declared the hill area surrounding Kalinjar Fort in Banda district, Uttar Pradesh(UP) as a National Geo-Heritage Site, recognising its unique geological and historical significance.
About Kalinjar Fort Hill:
Inauguration: The site was inaugurated by Rajinder Kumar, Additional Director General(DG) and Head of GSI’s Northern Region.
Geological Significance: The site is home to a rare geological phenomenon known as the Eparchaean Unconformity. This formation represents a massive temporal gap of approximately 1.3 billion years in the Earth’s geological record.
In March 2026, the Geological Survey of India (GSI) declared the hill area surrounding Kalinjar Fort in Banda district, Uttar Pradesh(UP) as a National Geo-Heritage Site, recognising its unique geological and historical significance.
About Kalinjar Fort Hill:
Inauguration: The site was inaugurated by Rajinder Kumar, Additional Director General(DG) and Head of GSI’s Northern Region.
Geological Significance: The site is home to a rare geological phenomenon known as the Eparchaean Unconformity. This formation represents a massive temporal gap of approximately 1.3 billion years in the Earth’s geological record.
- The hill exposes Bundelkhand granite, which is nearly 2.5 billion years old, directly overlain by Kaimur sandstone, aged approximately 1.2 billion years. This sequence offers critical insights into the crustal evolution of the Vindhya Mountain range.
- Kalinjar Fort is known for temples from the Gupta period, including the Neelkanth Mahadev Temple.
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