Zinc Isotopes Provide Clues to Volatile Loss During Moon Formation - PowerPoint PPT Presentation
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Zinc Isotopes Provide Clues to Volatile Loss During Moon Formation
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The large difference between Earth and Moon suggests a process that efficiently fractionated the heavier zinc isotope from the lighter one, ... – PowerPoint PPT presentation
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Title: Zinc Isotopes Provide Clues to Volatile Loss During Moon Formation
1
Zinc Isotopes Provide Clues to Volatile Loss
During Moon Formation
Element Condensation Temperature (K)
W 1789
Ti 1582
Cr 1296
K 1006
Zn 726
Lodders (2003)
Zn Paniello et al (2012) Cr Lugmair and
Shukolyukov (1998) Ti Zhang et al. (2012) W
Touboul et al. (2007)
Refractory elements Cr, Ti, and W are strikingly
similar in the Moon and Earth, but volatile Zn is
significantly different. Its elevated ?66Zn
suggests fractionation during lunar formation by
a giant impact.
