The differentiation of eucrites: The role of in situ crystallization
We report on major and trace element analyses of 17 eucrites, including three cumulate eucrites (Binda, Moore County, and Serra de MagC), determined by, respectively, inductively-coupled plasma atomic emission spectrometry and inductively-coupled plasma mass spectrometry. The results obtained for Binda and Moore County are consistent with the model of Treiman (1997) for the formation of cumulate eucrites, which holds that these meteorites were produced from a eucritic melt. Our sample of Serra de Mage contains unusually large amounts of pyroxene and probably an accessory phase rich in heavy rare earth elements and is therefore not representative of this eucrite as known from literature data.
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Keywords: Rare-Earth Elements ; Diogenite Parent Body ; Cumulate Eucrites ; Solar-System ; Partition-Coefficients ; Genetic-Implications ; Mineral Chemistry ; Alkali Elements ; Core Formation ; Piplia-Kalan
Record created on 2011-09-29, modified on 2016-08-09