Geochronology in deeply weathered terrains using lead-lead isochrons

Brian L. Gulson*, Matti Vaasjoki, Graham R. Carr

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


The Pb-Pb isochron dating method may, in many cases, yield reliable ages for weathered samples from areas where other techniques are inappropriate because of the separation of parent and daughter isotopes as the result of weathering. Four Australian case histories illustrate the potential and problems of applying the technique in Archaean and Proterozoic terrains. By comparison with other techniques that may be applied to weathered rocks, such as the zircon U-Pb method, the Pb-Pb technique is rapid, and field sampling and sample preparation are simple and inexpensive.

Original languageEnglish
Pages (from-to)273-282
Number of pages10
JournalChemical Geology
Issue number4
Publication statusPublished - 20 Dec 1986
Externally publishedYes


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