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Science 15 May 1964:
Vol. 144. no. 3620, pp. 841 - 842
DOI: 10.1126/science.144.3620.841
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Articles

Uranium Contents of Ancient Man-Made Glass

R. L. Fleischer 1 and P. B. Price 1

1 General Electric Research Laboratory, Schenectady, New York

The concentrations of uranium impurities in a variety of ancient man-made glasses have been determined by counting the sites of neutron-induced fissions. There appears to be a chronological trend from low to high and back to low uranium contents over the past three millennia. Crude estimates of ages by fission-track counting should be possiblewith considerable labor for the group of glasses which was found to have the highest concentration of uranium.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Particle Track Etching: Diverse technological uses range from virus identification to uranium exploration.
R. L. Fleischer, R. L. Fleischer, H. W. Alter, S. C. Furman, P. B. Price, and R. M. Walker (1972)
Science 178, 255-263
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Tracks of Charged Particles in Solids.
R. L. Fleischer, P. B. Price, and R. M. Walker (1965)
Science 149, 383-393
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