Metal and schreibersite in Mayo Belwa, an enstatite achondrite

Details Metal and schreibersite in Mayo Belwa, an enstatite achondrite Metal and schreibersite in Mayo Belwa, an enstatite achondrite

Jun 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978metic..13..235g&link_type=abstract

Meteoritics, vol. 13, June 30, 1978, p. 235-244.

Computer Science

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Achondrites, Chemical Composition, Metal Particles, Meteoritic Composition, Mineralogy, Schreibersite, Abundance, Aluminum, Analytical Chemistry, Cobalt, Iron, Magnesium, Nickel, Nigeria, Phosphorus, Silicon

Scientific paper

The Mayo Belwa meteorite (an aubrite) is characterized with respect to its metal components and schreibersite. Particle sizes are reported, heterogeneous distribution in the fine-grained matrix and within silicate crystals is detected, and the concentrations of the elements Ni, Fe, Si, Co, and P were determined in grains larger than 4 microns across. Neither the size of the grains nor their environment correlates with their Ni or Si contents. Schreibersite (8-14.4% Ni) occurs as isolated grains or associated with low-Ni metal. The wide range in the Ni contents of the metal distinguishes it from the metal of the E-chondrites and suggests that an E-chondrite was not the source of this metal.

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