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The Stability of Zirconia-Saturated Perovskite and Conditions in the Early Solar System

Beckett, J. R. and Harvey, J.-P. and Ma, C. and Stolper, E. M. (2015) The Stability of Zirconia-Saturated Perovskite and Conditions in the Early Solar System. Meteoritics and Planetary Science, 50 (S1). Art. No. 5245. ISSN 1086-9379.

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Perovskite and tazheranite (cubic zirconia) are among the most refractory oxides in nebular vapors [1] and important repositories for several refractory elements whose concentrations can potentially be used to constrain the environments of formation. There are numerous studies on the phase relations and thermodynamic properties of zirconias containing Al, Ca, Mg, Sc, Ti, and the REE [e.g., 2-4], but meteoritic zirconia is rare [5]. Meteoritic perovskite is much more common [e.g., 5-9], but there are few constraints on thermodynamic properties of the relevant solid solutions. Here, we describe experiments to determine the partitioning of minor elements between perovskite and zirconia of variable Zr/Ti; the results will be used to constrain thermodynamic modeling for the solid solutions represented by meteoritic perovskite.

Item Type:Article
Related URLs:
URLURL TypeDescription 10.1111/maps.12501DOIAbstracts
Ma, C.0000-0002-1828-7033
Stolper, E. M.0000-0001-8008-8804
Additional Information:© 2015 Meteoritical Society.
Issue or Number:S1
Record Number:CaltechAUTHORS:20150828-104631440
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Official Citation:(2015), 78th Annual Meeting of the Meteoritical Society July 27–31, 2015. Meteoritics & Planetary Science, 50: A29–A414. doi: 10.1111/maps.12501
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:59949
Deposited By: Tony Diaz
Deposited On:11 Sep 2015 13:20
Last Modified:09 Mar 2020 13:19

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