Science News

Explaining the Elements in Earth's Crust

Sun, 19th Dec 2010

Listen Now    Download as mp3 from the show Lessons from the Past - Exploring the History of Astronomy

Iron-loving elements like gold and cobolt are found in Earth's crust at greater concentrations that would be expected - when the Earth was still in it's molten phase, they should have been taken, along a large amount of the iron, into the core.  New models show where these elements may have come from...

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