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Geochemistry and petrography of the MacAlpine Hills lunar meteoritesMacAlpine Hills 88104 and 88105, anorthositic lunar meteorites recovered form the same area in Antartica, are characterized. Petrographic studies show that MAC88104/5 is a polymict breccia dominated by impact melt clasts. It is better classified as a fragmental breccia than a regolith breccia. The bulk composition is ferroan and highly aluminous (Al2O3-28 percent).
Document ID
19920032184
Document Type
Reprint (Version printed in journal)
Authors
Lindstrom, Marilyn M. (NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Mckay, David S. (NASA Johnson Space Center Houston, TX, United States)
Wentworth, Susan J. (NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Martinez, Rene R. (NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Mittlefehldt, David W. (Lockheed Engineering and Sciences Co. Houston, TX, United States)
Wang, Ming-Sheng (NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Lipschutz, Michael E. (Purdue University West Lafayette, IN, United States)
Date Acquired
August 15, 2013
Publication Date
November 1, 1991
Publication Information
Publication: Geochimica et Cosmochimica Acta
Volume: 55
ISSN: 0016-7037
Subject Category
LUNAR AND PLANETARY EXPLORATION
Funding Number(s)
CONTRACT_GRANT: DE-FG02-80ER-10725
CONTRACT_GRANT: NSF DPP-87-15853
Distribution Limits
Public
Copyright
Other