Wednesday, March 18, 2015

Iron rain fell on early Earth, new Z machine data supports

Physical tests reveal that, at pressures rivaling those when worlds collide, iron vaporizes at far lower pressures than assumed by theoreticians, explaining why the element is distributed in Earth's mantle rather than collected at its core.



from Geochemistry News -- ScienceDaily http://ift.tt/1GpJoFF

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