Context: A group of geologists from Kerala University claim to have made a significant scientific discovery that may offer a clearer understanding of the events leading to the end of the Indus Valley civilization.
oThey have claimed that the crater in Luna, Kutch in Gujarat, was caused by a meteor impact, potentially marking the only major one since human beings appeared on earth.
Indus Valley Civilization
- About: The civilization is named Harappan because Dayaram Sahni first excavated its site in 1921.
- Harappan civilization surpassed the sizes of ancient Egypt and Mesopotamia civilizations.
- Bordered by:
oThe northernmost site of the civilization is Manda (Jammu-Kashmir).
oThe southernmost site is Daimabad (Maharashtra).
oThe easternmost site is Alamgirpur (Uttar Pradesh).
oThe westernmost site is Sutkagendor (Pakistan-Iran border).
- Main Crops: Two types of Wheat and Barley. Evidence of cultivation of rice in Lothal and Rangpur (Gujarat) only.
- Other Crops: Dates, mustard, sesamum, cotton, rai, peas etc.
oFirst to produce cotton in the world so Greeks called them Sindon.
Features
- Town Planning: Indus cities were well planned. The excavations at Harappa and Mohenjo-Daro have shown a lot of evidence of this. The city had two parts, i.e., the citadel and the outer city.
- Citadel: The citadel was built on an elevated area. While certain major cities, such Harappa, Mohenjodaro, Kalibangan, Banawali, Rakhigarhi, Lothal, and Dholavira, had a citadel and lower town, this was not the case in the majority of them.
oThe outer city was at a lower level.
- Roads: The roads were wide and straight cutting each other at right angles.
- Great Bath: The Great Bath is one of the most remarkable structures discovered at the archaeological site of Mohenjo-Daro.