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Happy Canyon - A new type of enstatite achondriteMineralogical and chemical characteristics of the Happy Canyon meteorite, found in 1971 near Wayside, Texas, show it to be a new type of enstatite achondrite occupying the gap between the recrystallized enstatite chondrites and the igneous, crystalline, unbrecciated enstatite chondrites. Although the bulk composition of the specimen is consistent with that of an E6 enstatite chondrite, it has a crystal cumulate texture. There are minor amounts of metal and troilite which have survived extensive weathering. The Happy Canyon meteorite may represent an E6 composition which has melted and reprecipitated at a slightly higher oxidation state, possibly in the core of a small parent body.
Document ID
19770058037
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Olsen, E. J.
(Field Museum of Natural History Chicago, Ill., United States)
Bunch, T. E.
(NASA Ames Research Center Moffett Field, Calif., United States)
Jarosewich, E.
(NASA Ames Research Center Moffett Field, CA, United States)
Noonan, A. F.
(National Museum of Natural History Washington, D.C., United States)
Huss, G. I.
(American Meteorite Laboratory Denver, Colo., United States)
Date Acquired
August 9, 2013
Publication Date
June 30, 1977
Publication Information
Publication: Meteoritics
Volume: 12
Subject Category
Lunar And Planetary Exploration
Accession Number
77A40889
Distribution Limits
Public
Copyright
Other

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