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Mineralogy of chondritic interplanetary dust particle impact residues from LDEFA detailed structural and compositional analysis of several impactor residues was performed utilizing transmission electron microscopy, energy dispersive spectroscopy, and electron diffraction. Residues from the interior of several craters in gold surfaces were removed with a tungsten needle, mounted in EMBED-812 epoxy, and ultramicrotomed. The presence in these residues of equilibrated ferromagnesian minerals, recrystallization textures, glass, and melted metal and sulfide bodies decorating grain boundaries is indicative of varying degrees of shock metamorphism in all impact residues we have characterized.
Document ID
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Barrett, R. A.
(Lockheed Engineering and Sciences Co. Houston, TX, United States)
Zolensky, M. E.
(NASA Lyndon B. Johnson Space Center Houston, TX., United States)
Bernhard, R.
(Lockheed Engineering and Sciences Co. Houston, TX, United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1993
Publication Information
Publication: Lunar and Planetary Inst., Twenty-fourth Lunar and Planetary Science Conference. Part 1: A-F
Subject Category
Inorganic And Physical Chemistry
Accession Number
Distribution Limits
Work of the US Gov. Public Use Permitted.

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