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Proceedings of a workshop on Differences Between Antarctic and Non-Antarctic MeteoritesThe known facts, together with new research results are reviewed, in order to examine apparent differences between the Antarctic and non-Antarctic populations. In view of the statistically significant number of Antarctic meteorites, and the existence of rare or previously unknown types of meteorites among the Antarctic meteorite collection, the question was really not so much whether there are differences, but to define which ones are significant and what their origin is. Two main causes for the possible differences have been suggested previously, namely differences in the meteorite parent populations and secondary effects (e.g., weathering). The workshop was structured to contain sessions on chemical, isotopic, petrological, and mineralogical studies of meteorites from the two collections; terrestrial age determinations; discussions on mass frequency distributions; relative abundances of meteorite types; and terrestrial meteorite flux rates and their possible changes with time.
Document ID
19900017424
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Koeberl, Christian (Lunar and Planetary Inst. Houston, TX, United States)
Cassidy, William A. (Lunar and Planetary Inst. Houston, TX, United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1989
Subject Category
Astrophysics
Report/Patent Number
NASA-CR-184918
NAS 1.26:184918
LPI-TR-90-01
Report Number: NASA-CR-184918
Report Number: NAS 1.26:184918
Report Number: LPI-TR-90-01
Accession Number
90N26740
Funding Number(s)
CONTRACT_GRANT: NASW-4066
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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