A direct measurement of the distribution in depth of Al-26 in the Estacado meteorite

Details A direct measurement of the distribution in depth of Al-26 in the Estacado meteorite A direct measurement of the distribution in depth of Al-26 in the Estacado meteorite

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982gecoa..46.1963b&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 46, Oct. 1982, p. 1963-1967.

Computer Science

Aluminum 26, Chondrites, Meteoritic Composition, Gamma Ray Spectra, Spatial Distribution

Scientific paper

The two-dimensional distribution of Al-26 across a slice of the Estacado meteorite was measured using non-destructive gamma-gamma coincidence counting. The maximum activity was found to be 60 + or - 2 dpm/kg and the variation across the slice rather small. The intensity and distribution are in moderate agreement with existing theoretical models if the pre-atmospheric shape of the meteorite had been a sphere of radius 0.35 + or - 0.05 m, but it was more likely to have been slightly non-spherical.

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