Question

Name the four Indian geological eras in their chronological order.

Answer 1

1. Archean Era (Early Pre-Cambrian): This is the oldest geological era, representing the formation of the earliest rocks in India.
2. Purana Era (Late Pre-Cambrian): This era marks the formation of sedimentary rocks, such as the Vindhyan and Cuddapah systems.
3. Dravidian Era (400-570 million years old): This era is associated with the formation of the Gondwana landmass, including coal deposits and terrestrial plant fossils.
4. Aryan Era (400 million years old to the present): The most recent geological era, which includes the formation of volcanic rocks like the Deccan Traps and the rise of the Himalayas.