Analysis of ablation debris from natural and artificial iron meteorites

Details Analysis of ablation debris from natural and artificial iron meteorites Analysis of ablation debris from natural and artificial iron meteorites

Apr 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978jgr....83.1793b&link_type=abstract

Journal of Geophysical Research, vol. 83, Apr. 10, 1978, p. 1793-1808.

Physics

2

Ablation, Iron Meteorites, Meteoritic Composition, Meteoritic Microstructures, Magnetite, Manganese, Mineralogy, Photomicrographs, Widmanstatten Structure, X Ray Diffraction, Iron Meteorites, Samples, Meteorite, Plasmas, Crust, Simulation, Fusion, Ablation, Cosmic Dust, Spherules, Boguslavka Meteorite, Norfolk Meteorite, N'Kandhla Meteorite, X-Ray Diffraction, Microprobe Analysis, Electron Microscopy, Melting, Magnetite, Wustite, Minerals, Composition

Scientific paper

Iron and nickel-iron samples subjected to treatment by an arc-heated plasma of ionized air were used to model meteor ablation. The artificial ablation debris and fusion crusts were compared to the fusion crusts of three natural iron meteorities and to magnetic spherules from deep-sea manganese nodules. An outer discontinuous crust of magnetite and wuestite, followed by an unoxidized metallic zone, was observed in the artificially produced samples. Fractionation of less volatile elements was also noted.

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