Daily Archives: April 19, 2020

New geochemical tool reveals origin of Earth’s nitrogen: Novel analysis method may also be useful for monitoring volcanic activity

Posted on April 19, 2020 by Rashid Faridi

Originally posted on Tallbloke's Talkshop:
https://youtu.be/KS4LZRlgwqY As the video reminds us: Earth’s atmosphere is mostly (78%) nitrogen. Plus about 21% oxygen at sea level, and a few minor trace gases – one or two of which some people like…

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