States » EastPosted at: Jul 6 2023 6:46PM


IIT Kharagpur discovers Isotopes in Fossil Tress

Kharagpur, July 6 (UNI) A team of scientists from IIT Kharagpur and Academia Sinica, Taipei, have found evidence of triple oxygen isotopes of intertrappean fossil woods that led to very high annual rainfall during the catastrophic volcanism of Deccan trap that erupted in India about 66 million years back.
The eruption drove a major mass extinction killing nearly 80% of all species of animals including the Dinosaurs.
The depleted values of the oxygen isotopes suggest a higher tropical rainfall (1600 mm/y) in island India during terminal Cretaceous period.
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