Krugerrands From Heaven?

Meteorites delivered gold to Earth

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 favoured models of planetary formation.

A study from the University of Bristol looked at some of the oldest rocks on Earth, demonstrating that gold was delivered by meteorites long after their formation.

Their results are published in Nature...