Determinations of concentrations of heavy elements in meteorites by activation analysis

Details Determinations of concentrations of heavy elements in meteorites by activation analysis Determinations of concentrations of heavy elements in meteorites by activation analysis

Oct 1960

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1960gecoa..20..122r&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 20, Issue 2, pp.122-140

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31

Scientific paper

Barium, mercury, thallium, lead, bismuth and uranium contents and isotopic composition of stone and the troilite phase of iron meteorites have been determined by neutron activation analysis. Two groups of chondrites were observed: the one containing enstatite and carbonaceous chondrites has orders of magnitude more of the chalcophilic elements studied than other chondrites. Barium and uranium do not show this variation. The lead in this group is primordial in its isotopic composition as might be expected from the Pb/U ratio. Some of the nuclear and geochemical implications of the results are suggested.

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