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A sample of the Bruderheim chondrite (fell March 4, 1960) was examined with a gamma -ray spectrometer, K/sup 40/, Al/sup 26/, Mn/sup 54/, and Na/sup 22/ having been identified and quantitatively assayed. The concentrations found were 0.089% K, 57 disintegrations per minute per kilogram Al/sup 26/, 82 disintegrations per minute per kilogram Mn/sup 54/, and 90 disintegrations per minute per kilogram Na , which are in good agreement with values found by other workers for this and other meteorites.
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Rowe et al. (1961) studied this question.
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