Radioactivity: Distribution from Cratering in Basalt

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Science  22 Oct 1965:
Vol. 150, Issue 3695, pp. 489-493
DOI: 10.1126/science.150.3695.489


Samples of airborne and ground-deposited debris produced by an experiment in nuclear excavation were analyzed to determine the fate of various radioactive nuclides. A few tenths percent of the nonvolatile species and 10 to 20 percent of the volatile species escaped beyond the immediate vicinity of the crater.