Computer Science
Scientific paper
Jun 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988metic..23..107r&link_type=abstract
Meteoritics (ISSN 0026-1114), vol. 23, June 1988, p. 107-112. Sponsorship: Statens Naturvidenskabelige Forskningsrad of Denmark.
Computer Science
15
Iron Meteorites, Kamacite, Meteoritic Composition, Trace Elements, Abundance, Cobalt Compounds, Copper Compounds, Neutron Activation Analysis, Nickel Compounds
Scientific paper
Instrumental neutron activation analysis (INAA) was used to determine Ni, Co, Cu, Ga, As, Au, W, Re and Ir in taenite lamellae isolated by acid dissolution from eight iron meteorites from groups IA, IIIAB and IVA. Taenite is enriched in Ni, Cu, Ga, As, Au, W, Re and Ir relative to kamacite, whereas taenite is depleted in Co. Taenite/kamacite partition ratios in slowly cooled IAB meteorites are farther from unity than those in rapidly cooled IVA meteorites. Taenite/kamacite partition ratios for Cu, Ir, Au and Co may be sensitive cooling rate indicators.
Malvin Daniel J.
Rasmussen Kaare L.
Wasson John T.
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