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Team TFS
Team TFS
1) Department of Earth and Planetary Sciences and McDonnell Center for Space Sciences, Washington University, St Louis, Missouri 63130, USA, 2) Geosciences Research Division, Scripps Institution of Oceanography, La Jolla, California 92093-0244, USA
Nature (2012), V490, pp376-380, doi:10.1038/nature11507
Zinc isotopic evidence for the origin of the Moon
Randal C. Paniello (1), James M. D. Day (2) and Frédéric Moynier (1)
The Moon is considered to be volatile-depleted and so it has been predicted that volatile loss should have fractionated stable isotopes of moderately volatile elements. One such element, zinc, exhibits strong isotopic fractionation during volatilization in planetary rocks, but is hardly fractionated during terrestrial igneous processes,making it a powerful tracer of the volatile histories of planets. Here we present high-precision zinc isotopic and abundance data which show that lunar magmatic rocks are enriched in the heavy isotopes of zinc and have lower zinc concentrations than terrestrial or Martian igneous rocks.
  • Neptune
  • Zn isotopes
  • Moon
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