Experiments call origin of Earth's iron into question

Experiments call origin of Earth's iron into question 02/24/2017 07:24 AM EST New research at The University of Texas at Austin reveals that the Earth's unique iron composition isn't linked to the formation of the planet's core, calling into question a prevailing theory about the events that shaped our planet during its earliest years. Full story at http://www.jsg.utexas.edu/news/2017/02/experiments-call-origin-of-earths-iron-into-question Source University of Texas at Austin This is an NSF News From the Field item.   Follow NSF:  This email was sent using GovDelivery, on behalf of: National Science Foundation Update · 4201 Wilson Boulevard · Arlington, VA 22230 · 703-292-5111