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Graphite-magnetite aggregates in ordinary chondritic meteoritesThe graphite-magnetite component has been found (1) as abundant isolated inclusions in eight ordinary-chondritic, regolith breccias; (2) as the sole matrix in a new kind of unequilibrated chondrite that forms clasts in these regolith breccias; and (3) together with a Huss matrix in six unequilibrated ordinary chondrites. It is suggested that the component was formed by low-temperature, gas-solid reactions before the accretion of the meteorite, and that the isolated inclusions of graphite-magnetite in regolith breccias were derived from bodies composed of the new kind of chondrite that has graphite-magnetite as its sole matrix.
Document ID
19810054012
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Scott, E. R. D.
(New Mexico Univ. Albuquerque, NM, United States)
Taylor, G. J.
(New Mexico Univ. Albuquerque, NM, United States)
Rubin, A. E.
(New Mexico Univ. Albuquerque, NM, United States)
Keil, K.
(New Mexico, University Albuquerque, NM, United States)
Okada, A.
(New Mexico, University Albuquerque, NM; Institute of Physical and Chemical Research, Wako, Saitama, Japan)
Date Acquired
August 11, 2013
Publication Date
June 18, 1981
Publication Information
Publication: Nature
Volume: 291
Subject Category
Lunar And Planetary Exploration
Accession Number
81A38416
Funding Number(s)
CONTRACT_GRANT: NGL-32-004-064
Distribution Limits
Public
Copyright
Other

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