Eparchaean Unconformity, Geological formation in Tirupati district, Andhra Pradesh, India.
The Eparchaean Unconformity displays rock layers from different geological periods along steep slopes and road cuts on the Tirupati-Tirumala Ghat road.
The Geological Survey of India designated this location as a National Geological Heritage Monument Site in 2001, marking its importance in understanding Earth's timeline.
The formation lies near the pilgrimage route to Tirupati Temple, connecting geological heritage with religious significance in the Eastern Ghats region.
Visitors can reach the geological site through the Tirupati railway station, located 10 kilometers southeast, with regular connections to major Indian cities.
This formation represents a 500-million-year gap between Proterozoic Gulcheru Quartzite and Archean granite, visible in the exposed rock layers.
Location: Andhra Pradesh
GPS coordinates: 13.68330,79.35000
Latest update: March 4, 2025 14:17
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