Science & Technology Current Affairs Summary: Dec 2017 – May 2018
Scientists have discovered world’s second oldest grain of magmatic zircon (a mineral that contains traces of radioactive isotopes) from Champua from Singhbhum rock sample in Odisha’s Kendujhar district. It is an estimated 4,240 million years old, making it world’s second oldest rock ever to be discovered. It is oldest magmatic zircon on earth. The …
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