An hexahedrite meteorite from the Campo del Cielo Fall

Details An hexahedrite meteorite from the Campo del Cielo Fall An hexahedrite meteorite from the Campo del Cielo Fall

Mar 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006p%26ss...54..303c&link_type=abstract

Planetary and Space Science, Volume 54, Issue 3, p. 303-309.

Physics

Scientific paper

Aimed to clarify the shower of Campo del Cielo with respect to the presence of a large number of hexahedrites in the shower of Campo del Cielo, we have studied a piece that belongs to the Campo del Cielo meteorite Fall by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), chemical analysis, Mössbauer spectroscopy (MS), and optical metallography. The studies showed that it is an HIIA iron hexahedrite meteorite of 94.6 wt% Fe, 5.4 wt% Ni and 370 ppm of C, consisting of a kamacite matrix with small inclusions of iron nickel phosphides. We have found Neumann bands differentiated from scarce taenite streaks and found that taenite is a path walk for corrosion. We also mention the approximate present localization of some of the principal pieces of the fall.

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