Geochemistry and oxygen isotope composition of main-group pallasites and olivine-rich clasts in mesosiderites : Implications for the ” Great Dunite Shortage ” and HED-mesosiderite connection

@inproceedings{Barrat2015GeochemistryAO,
  title={Geochemistry and oxygen isotope composition of main-group pallasites and olivine-rich clasts in mesosiderites : Implications for the ” Great Dunite Shortage ” and HED-mesosiderite connection},
  author={Jean-Alix Barrat and Henning Haack and Paul C. Buchanan and Ian A Franchi and Akira Yamaguchi and Diane Tobin Johnson and Alex W. R. Bevan and Thomas H. Burbine},
  year={2015}
}
Evidence from iron meteorites indicates that a large number of differentiated planetesimals formed early in Solar System history. These bodies should have had well-developed olivine-rich mantles and consequentially such materials ought to be abundant both as asteroids and meteorites, which they are not. To investigate this “Great Dunite Shortage” we have undertaken a geochemical and oxygen isotope study of main-group pallasites and dunitic rocks from mesosiderites. Oxygen isotope analysis of 24… CONTINUE READING
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