GK: This Indian city has a rocky hill older than the Himalayas, have you seen it?
Latest update:20 January 2026 at 2:29 PM IST The age of this rock is estimated at 3 billion years. This places it among the oldest exposed rocks anywhere on Earth. Geologists say it was formed when the Earth was still stable. What makes this geological fact even clearer is not only the age of the...
Read more
