Thermoluminescence studies and the preatmospheric shape and mass of the Estacado meteorite

Details Thermoluminescence studies and the preatmospheric shape and mass of the Estacado meteorite Thermoluminescence studies and the preatmospheric shape and mass of the Estacado meteorite

May 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975e%26psl..26...97s&link_type=abstract

Earth and Planetary Science Letters, vol. 26, no. 1, May 1975, p. 97-104.

Physics

3

Cosmic Rays, Mass Distribution, Meteorites, Thermoluminescence, Gamma Rays, Meteoroids, Radioactive Decay, Shapes

Scientific paper

The thermoluminescence (TL) intensity of samples taken systematically across a large section of the Estacado meteorite has been measured. A significant proportion of the TL in meteorites is probably caused by cosmic-ray bombardment and variations in the natural TL throughout the slice reflect the preatmospheric shape of the meteorite in that plane. Before it entered the atmosphere Estacado was an elongated shape, approximating to an ellipse of eccentricity 0.8, with a preatmospheric mass of at least 8 tons. The results are consistent with laboratory experiments which indicate that secondary radiation plays an extremely important part in the production of TL.

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