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Enhancement of structure images of interstellar diamond microcrystals by image processingImage processed high resolution TEM images of diamond crystals found in oxidized acid residues of carbonaceous chondrites are presented. Two models of the origin of the diamonds are discussed. The model proposed by Lewis et al. (1987) supposes that the diamonds formed under low pressure conditions, whereas that of Blake et al (1988) suggests that the diamonds formed due to particle-particle collisions behind supernova shock waves. The TEM images of the diamond presented support the high pressure model.
Document ID
19880062162
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
O'Keefe, Michael A. (California Univ. Berkeley, CA, United States)
Hetherington, Crispin (California Univ. Berkeley, CA, United States)
Turner, John (California, University Berkeley, United States)
Blake, David (California Univ. Berkeley, CA, United States)
Freund, Friedemann (NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 13, 2013
Publication Date
January 1, 1988
Subject Category
Lunar And Planetary Exploration
Meeting Information
Meeting: Electron Microscopy Society of America, Annual Meeting
Location: Milwaukee, WI
Country: United States
Start Date: August 7, 1988
End Date: August 12, 1988
Sponsors: Electron Microscopy Society of America
Accession Number
88A49389
Funding Number(s)
CONTRACT_GRANT: DE-AC03-76SF-00098
Distribution Limits
Public
Copyright
Other

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