Why is the Earth's mantle conductive?

(PhysOrg.com) -- Researchers from INSU-CNRS (France), working with chemists at a CNRS research unit, have explained that the high conductivity of the Earth's upper mantle is due to molten carbonates. They demonstrated the very high conductivity of this form of carbon.

If you want to include this story in your blog, copy and paste this formatted text:

<p><a href="http://www.physorg.com/news147623437.html">Why is the Earth's mantle conductive?</a></p> <p>(PhysOrg.com) -- Researchers from INSU-CNRS (France), working with chemists at a CNRS research unit, have explained that the high conductivity of the Earth's upper mantle is due to molten carbonates. They demonstrated the very high conductivity of this form of carbon. </p>