The Isotope Geochemistry of Zn and Cr in Ureilites

Frederic Moynier (1, 2, 3) , Qing-Zhu Yin (3) , Philippe Gillet (4) , Pierre Beck (5) , Tristan Ferroir (4) , Jean-Alix J-A Barrat (6) , Francis Albarède (4)

1 McDonnell Center for Space Sciences
2 Department of Earth and Planetary Sciences [St Louis]
3 Department of Geology [Davis]
4 LST - Laboratoire de Sciences de la Terre
5 LPG - Laboratoire de Planétologie de Grenoble
6 Institut d'étude de la mer

We measured the Cr and Zn stable isotope compositions of nine ureilite samples. Both Cr and Zn isotopic ratios are negatively correlated with their respective concentrations. These results may reflect isotopic fractionations during volatile loss.

Domains: Sciences of the Universe [physics]

Frederic Moynier, Qing-Zhu Yin, Philippe Gillet, Pierre Beck, Tristan Ferroir, et al.. The Isotope Geochemistry of Zn and Cr in Ureilites. 39th Lunar and Planetary Science Conference, Mar 2008, League City, Texas, United States. pp.1444. ⟨insu-00365644⟩