Day: September 29, 2011

Meteorites delivered gold to Earth

By Leila Battison, Science reporter | (8 September 2011)  | BBC – News Science & Environment Scientists have shown that the Earth’s surface became enriched with precious metals by impacting meteorites. The Earth’s crust and mantle has considerably more gold than expected from favored models of planetary formation. A study from the University of Bristol looked at […]

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