Mathematics – Logic
Scientific paper
Dec 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987gecoa..51.3175h&link_type=abstract
Geochimica et Cosmochimica Acta (ISSN 0016-7037), vol. 51, Dec. 1987, p. 3175-3192.
Mathematics
Logic
9
Allende Meteorite, Chondrites, Isotopes, Refractory Metals, Solar Corona, Solar System, Iron Compounds, Magnesium Compounds, Molybdenum Compounds, Ruthenium Compounds, Tungsten Compounds, Meteorites, Allende, Isotopes, Magnesium, Iron, Molybdenum, Ruthenium, Tungsten, Fremdlinge, Refractory Material, Inclusions, Abundance, Metal, Cv3 Chondrites, Stony Meteorites, Microprobe Methods, Samples, Meteorite, Laboratory Studies, Composition, Anomalies, Fractionation, Enrichment, Mineralogy, Formation, Origin, Sola
Scientific paper
This paper presents the first isotopic measurements, made with an ion microprobe, of Mg, Fe, Mo, Ru, and W in Fremdlinge and refractory metal nuggets from Allende meteorite. No non-mass-dependent deviations exceeding 1 percent from normal solar isotopic abundances were found for any of the elements analyzed, despite the unusual mineralogy of Fremdlinge and the extreme enrichment in refractory siderophile elements. It is concluded that the chemical, petrologic, and isotopic data on Fremdlinge are most plausibly interpreted in terms of the origin of Fremdlinge within the solar nebula.
Armstrong Thomas J.
Hutcheon Ian D.
Wasserburg Gerald J.
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