[Widdekind]

Please allow me to cite a previous post, from another forum:

http://www.scienceforums.net/forum/showthread.php?t=40699

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[Widdekind]

Equation 2, from the previous post, shows that the Moon's "Raleigh Convective Score", is roughly 0.0004, relative to that of the Earth.

QUESTION: Can planetary convection currents "dredge up" heavy elements, from deep down in the interior, and carry them up to the surface ? If so, could the lack of lunar convection currents explain the observed lack of heavy elements on the lunar surface ?

PREDICTION: Small, lighter, lower-gravity worlds will have fewer heavy elements on their surfaces. Conversely, larger, more massive, higher-gravity worlds will have more heavy elements on their surfaces.

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