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(Reply to "Burns cliff")

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hortonheardawho

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Reply: 44

Posted: November 5, 2004 2:06 PM

Here is a very interesting reference to the growth rate of manganese nodules. Be patient -- it takes a while to load. An average nodule has 18% Mn -- and 13% Fe -- as oxyhydrides! It seems like a plausible mechanism to form the spherules on Mars.

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