Computer Science
Scientific paper
Feb 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989gecoa..53..471b&link_type=abstract
Geochimica et Cosmochimica Acta (ISSN 0016-7037), vol. 53, Feb. 1989, p. 471-481.
Computer Science
10
Abundance, Carbonaceous Chondrites, Meteoritic Composition, Cosmochemistry, Heavy Elements, Solar System, X Ray Analysis, Meteorites, Carbonaceous Chondrites, Elements, Abundance, Ci Chondrites, X-Ray Methods, Samples, Meteorite, Laboratory Studies, Spectra, Ivuna, Orgueil, Procedure, Concentration, Niobium, Zinc, Germanium, Selenium, Arsenic, Yttrium, Origin, Comparisons, Solar Systems
Scientific paper
Analyses of several carbonaceous chondrites (including the Orgueil samples 626, 629, and 630; and Ivuna samples 627, 628, and 631) for elements from Fe through Ru were performed using proton-induced X-rays, in order to test the smoothness of the elemental abundances in these chondrites. In general, the results confirm previously published abundance curves. The abundances were exceptionally smooth and strongly decreasing in the mass region 60-75. From the mass number 75 to 101, a smooth curve could be drawn, within limits of intersample variability, except for Y peak. Over the whole periodic table, a large number of peaks of probable nucleosynthetic origin could be identified.
Benjamin T. M.
Burnett Don S.
Duffy C. J.
Maggiore C.
Rogers Pamela S. Z.
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