Krypton from the Earth’s mantle, collected from geologic hot spots in Iceland and the Galapagos Islands, reveals a clearer picture of how our planet formed, according to new research. The findings indicate Earth’s volatile elements — essentials such as carbon, water and nitrogen — arrived as Earth was growing and becoming a planet, rather than being delivered by meteorites after the collision that formed the moon.
Click here for original story, Deep mantle krypton reveals Earth’s outer solar system ancestry
Source: ScienceDaily