作者: P.M. Santoliquido , W.D. Ehmann
DOI: 10.1016/0016-7037(72)90056-7
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摘要: Abstract Bismuth has been determined by alpha counting of the 210Po daughter activity 210Bi formed thermal neutron activation. Results are presented for thirty chondrites, six achondrites, eight separated meteoritic phases, and U.S. Geological Survey standard rocks. There is no resolvable difference in Bi abundances among different groups ordinary chondrites. concentration decreases with increasing petrologic grade The enstatite chondrites separable into two on basis data.