Other
Scientific paper
Jul 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980e%26psl..48..325r&link_type=abstract
Earth and Planetary Science Letters, vol. 48, no. 2, July 1980, p. 325-334. Research supported by the Deutsche Forschungsgemein
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4
Chondrites, Enstatite, Fractionation, Meteoritic Composition, Grain Boundaries, Iridium, Kamacite, Mineralogy, Nickel, Siderites, Solid Phases, Tables (Data), Meteorites, E Chondrites, Enstatites, Fractionation, Concentrations, Siderophile Elements, Magnetism, Abee Meteorite, Hvitis Meteorite, Trace Elements, Metals, Kamacite, Composition, Iridium/Nickel, Element Ratios, Refractory Elements, Volatile Elements, Cosmic Rays, Exposure Ages, Parent Bodies, Experiments, Procedure, Analysis, Data, Distribution, A
Scientific paper
Analysis of the concentration of 10 to 15 siderophile elements was made in the magnetic regions of Abee (E4) and Hvittis (E6). All elements, except Cu, W, and Fe were concentrated in the metal phase; unlike ordinary chondrites, the metal phase Abee and Hvittis consists of homogeneous, uniform grain size kamacite. The Ir/Ni ratio was 25% lower in Abee than in Hvittis, showing that more Ir was lost from Abee during the refractory element fractionation; Abee and other E4-5 members were not depleted in moderately volatile elements. It was concluded that E4-5 and E6 chondrites evolved from two different reservoirs, and that exchange of material among them has not occurred.
Cendales Miguel
Rambaldi Eramanno R.
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