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Mineralogy, Petrography, and Oxygen Isotopic Compositions of Ultrarefractory Inclusions from Carbonaceous Chondrites

Krot, A. N. and Ma, C. and Nagashima, K. and Davis, A. M. and Beckett, J. R. and Simon, S. B. and Komatsu, M. and Fagan, T. J. and Genzel, P. T. and Brenker, F. and Ivanova, M. A. and Bischoff, A. (2019) Mineralogy, Petrography, and Oxygen Isotopic Compositions of Ultrarefractory Inclusions from Carbonaceous Chondrites. Meteoritics and Planetary Science, 54 (S2). p. 6109. ISSN 1086-9379. https://resolver.caltech.edu/CaltechAUTHORS:20190709-103021676

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Abstract

Fine-grained CAIs with Group II rare earth element (REE) patterns condensed from a gaseous reservoir from which the ultrarefractory (UR) REEs had been removed. The carriers of UR REEs are poorly known. Here we report on the mineralogy, petrography and O-isotope compositions of 25 CAIs, presumably UR (REEs have not yet measured), from CR2, CM2, C3.0, CO3.0‒3.6, CV3.1‒3.6, and CH3.0 carbonaceous chondrites (CCs).


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1111/maps.13346DOIAbstracts
ORCID:
AuthorORCID
Krot, A. N.0000-0002-2278-8519
Ma, C.0000-0002-1828-7033
Additional Information:© 2019 The Meteoritical Society. Issue Online: 19 June 2019; Version of Record online: 19 June 2019.
Issue or Number:S2
Record Number:CaltechAUTHORS:20190709-103021676
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190709-103021676
Official Citation:(2019), 82nd Annual Meeting of The Meteoritical Society (2019). Meteorit Planet Sci, 54: A1-A509. doi:10.1111/maps.13346
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:96996
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:09 Jul 2019 19:55
Last Modified:09 Mar 2020 13:19

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