Zinc isotopic evidence for the origin of the Moon

  title={Zinc isotopic evidence for the origin of the Moon},
  author={Randal C. Paniello and James M. D. Day and Fr{\'e}d{\'e}ric Moynier},
Volatile elements have a fundamental role in the evolution of planets. But how budgets of volatiles were set in planets, and the nature and extent of volatile-depletion of planetary bodies during the earliest stages of Solar System formation remain poorly understood. 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… 
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Evaporative fractionation of volatile stable isotopes and their bearing on the origin of the Moon
  • J. Day, F. Moynier
  • Geology, Physics
    Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
  • 2014
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Extensive volatile loss during formation and differentiation of the Moon
It is found that ferroan anorthosites are isotopically heterogeneous, with some samples exhibiting high δ66Zn, along with alkali and magnesian suite samples, implying the possibility of isolated, volatile-rich regions in the Moon's interior.
Conditions and extent of volatile loss from the Moon during formation of the Procellarum basin
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Evidence is examined for the hypothesis that the Moon and the Earth were essentially dry immediately after the formation of the Moon—by a giant impact on the proto-Earth—and only much later gained volatiles through accretion of wet material delivered from beyond the asteroid belt.
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