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Calcium-Aluminum-Rich Inclusions from Enstatite Chondrites: Indigenous or Foreign?

Guan, Yunbin and Huss, Gary R. and MacPherson, Glenn J. and Wasserburg, Gerald J. (2000) Calcium-Aluminum-Rich Inclusions from Enstatite Chondrites: Indigenous or Foreign? Science, 289 (5483). pp. 1330-1333. ISSN 0036-8075. https://resolver.caltech.edu/CaltechAUTHORS:20131219-100635152

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Abstract

The primary mineral assemblages and initial ^(26)Al/^(27)Al ratios of rare calcium-aluminum–rich inclusions (CAIs) from enstatite (E) chondrites are similar to those of CAIs from other chondrite classes. CAIs from all chondrite classes formed under oxidizing conditions that are much different from the reducing conditions under which the E chondrites formed. Either CAIs formed at an earlier, more oxidizing epoch in the region where E chondrites ultimately formed, or they formed at a different place in the solar nebula and were transported into the E chondrite formation region.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1126/science.289.5483.1330DOIArticle
http://www.sciencemag.org/content/289/5483/1330.abstractPublisherArticle
ORCID:
AuthorORCID
Guan, Yunbin0000-0002-7636-3735
Huss, Gary R.0000-0003-4281-7839
Wasserburg, Gerald J.0000-0002-7957-8029
Additional Information:© 2000 American Association for the Advancement of Science. 19 April 2000; accepted 15 June 2000. Supported by NASA grants NAG5-7396 (G.J.M.), NAG5-4083 (G.J.W.), and NAG5-8158 (G.R.H.). We thank the Antarctic Meteorite Working Group and NASA Johnson Space Center for providing the Antarctic meteorite thin sections. Caltech Division Contribution 8652 (1044).
Funders:
Funding AgencyGrant Number
NASANAG5-7396
NASANAG5-4083
NASANAG5-8158
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Caltech Division of Geological and Planetary Sciences 8652
Lunatic Asylum Lab1044
Issue or Number:5483
Record Number:CaltechAUTHORS:20131219-100635152
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20131219-100635152
Official Citation:Calcium-Aluminum-Rich Inclusions from Enstatite Chondrites: Indigenous or Foreign? Yunbin Guan, Gary R. Huss, Glenn J. MacPherson, and Gerald J. Wasserburg Science 25 August 2000: 289 (5483), 1330-1333. [DOI:10.1126/science.289.5483.1330]
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:43090
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:19 Dec 2013 18:33
Last Modified:09 Mar 2020 13:18

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