Two groups of geochemists suggest elementary solutions to some mysteries of the Earth's mantle.
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References
Wade,J. & Wood, B.J. The Earth's 'missing' niobium may be in the core. Nature 409,75 - 78 2001.
Gessmann,C.K.& Rubie, D.C. The origin of the depletions of V, Cr and Mn in the mantles of the Earth and Moon. Earth and Planetary Science Letters 184,95 - 107 2000.
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Ball, P. Earth scientists iron out their differences. Nature (2001). https://doi.org/10.1038/news010104-6
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DOI: https://doi.org/10.1038/news010104-6