- Indus Valley civilization is 5000 years older than previously thought
- The study is done using a new carbon dating technique
- Scientists from IIT-Kharagpur and Archaeological Survey of India (ASI) conducted the study, published in journal ‘Nature’ last week (May 2016)
A study -published last week (May of 2016) in the reputed journal ‘Nature’ by a group of researchers in India shows that the Indus valley civilization is 5000 years older than what we previously perceived. This study was done using a new carbon dating technique on animal fragment and pottery fragments.
According to this study, Indus valley civilization is even older than Mesopotamian and Egyptian civilizations.
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The study was conducted by scientists from IIT-Kharagpur and Archaeological Survey of India (ASI). The study shows that the mature Indus valley civilization began in 8000bc to 2000bc and not 2600bc to 1600 and it pushes pre harappan civilization to 9000bc to 8000c. Egyptian civilization began in 7000bc to 3000bc and Mesopotamian began in 6500bc to 3100bc which much later then Indus Valley Civilization according to this study.
“Our study pushes back the antiquity to as old as 8th millennium before present and will have major implications to the evolution of human settlements in Indian sub-continent,” Anindya Sarkar, a professor at the department of geology and geophysics at IIT-Kharagpur, said in a statement.
Sankar .who also worked with the researcher from ASI in the Physical Research Laboratory in Ahmedabad and Pune’s Deccan College. They even used a technique known Optically Stimulated Luminescence in this study. In this technique the amount of light emitted from mineral grains to date past events can be measured.
This study has also given a new theory as to how Harappan civilization must have declined. Earlier it was believed that the civilization got declined because of climate change.
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But according to the new theory climate change did play a role but it is not the main reason behind the declination harappan civilization. It had more to do with the change in cropping patterns and storage of grains.
“Our study suggests that the climate was probably not the sole cause of Harappan decline. Despite the monsoon decline, the civilisation did not disappear. The people changed their farming practices.
“They switched from water-intensive crops when monsoon was stronger to drought-resistant crops when it was weaker. Our work shows they did not give up despite the change in climate conditions,” said Anindya Sarkar of the Department of Geology and Geophysics, IIT Kharagpur and the lead investigator.
“Our study suggests that other causes, like change in subsistence strategy, by shifting crop patterns rather than climate change was responsible for the Harappan collapse,” Sarkar said.
-by Bhaskar Raghavendran
Bhaskar is a graduate in Journalism and mass communication and a reporter at NewsGram. Twitter handle: bhaskar_ragha