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Pairing Among the EET87503 Group of Howardites and Polymict EucritesThe ten HED polymict breccias EET82600, EET87503, EET87509, EET87510, EET87512, EET87513, EET87518, EET87528, EET87531, and EET92022 were found over a broad area in the Elephant Moraine collecting region of Antarctica. Locations are scattered among the Main (Elephant Moraine), Meteorite City, and Texas Bowl icefields and the Northern Ice Patch. It was previously suggested that these polymict breccias are paired. However, degree of terrestrial alteration among these meteorites varies from relatively pristine (type A) to extensively altered (type B/C) and there are textural, mineralogical, and compositional differences. This study is a reevaluation of the pairing of these meteorites.
Document ID
20000034774
Document Type
Conference Paper
Authors
Buchanan, Paul C. (NASA Johnson Space Center Houston, TX United States)
Lindstrom, D. J. (NASA Johnson Space Center Houston, TX United States)
Mittlefehldt, D. W. (Lockheed Martin Corp. Houston, TX United States)
Date Acquired
August 19, 2013
Publication Date
January 1, 1999
Publication Information
Publication: Workshop on Extraterrestrial Materials from Cold and Hot Deserts
Subject Category
Astrophysics
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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IDRelationTitle20000034770Analytic PrimaryWorkshop on Extraterrestrial Materials from Cold and Hot Deserts
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