Abundances of Meteoric Lead Isotopes

Details Abundances of Meteoric Lead Isotopes Abundances of Meteoric Lead Isotopes

Jan 1957

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1957natur.179...92r&link_type=abstract

Nature, Volume 179, Issue 4550, pp. 92 (1957).

Computer Science

Scientific paper

IN a recent publication Patterson1 shows that the measured isotopic abundances of leads from five different meteorites and recent terrestrial ocean sediments are simply related. From this fact, following a series of convincing arguments, he deduces that all these leads have developed from a single primeval lead by the addition of radiogenic lead-206, lead-207 and lead-208, and that the additions of radiogenic lead commenced at a common time (4.55 +/- 0.07) × 109 years ago. Without disputing any of these arguments, I wish to point out some interesting features of the meteoritic lead-isotope ratios which appear when they are compared with the observed ratios of these isotopes in terrestrial lead minerals.

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