Other
Scientific paper
Mar 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980znata..35..257r&link_type=abstract
Zeitschrift für Naturforschung, Teil a, vol. 35a, Mar. 1980, p. 257-266. NSF-supported research;
Other
2
Inclusions, Meteorites, Meteoritic Composition, Xenon 129, Calibrating, Histograms, Mass Spectroscopy, Mineralogy, Olivine
Scientific paper
The paper considers the use of a static mass spectrometer modified by installation of a Baur-Signer ion source and an ion-counting system to detect xenon from single grains from inclusions in the C3 meteorite Allende. The inferred iodine concentrations increased from pentlandite to melilite, but vary widely from one grain to another, indicating that the iodine resides in a minor phase which is included 'spottily' in the bulk phases. It is likely that the detectability for excess Xe achieved here could be improved; about 23,000 of fissiogenic Xe-132 was detected in the largest melelite sample analyzed, but it cannot be determined from this study whether the PU-244 is 'spotty' like I-129 or is uniformly distributed in the melilite.
Jeffery Peter M.
Lumpkin G. R.
Reynolds James H.
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