Geochronology in deeply weathered terrains using lead-lead isochrons

Brian L. Gulson; Matti Vaasjoki; Graham R. Carr

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 journal › Article › peer-review

2 Citations (Scopus)

Abstract

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 language	English
Pages (from-to)	273-282
Number of pages	10
Journal	Chemical Geology
Volume	59
Issue number	4
Publication status	Published - 20 Dec 1986
Externally published	Yes

Cite this

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abstract = "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.",

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N2 - 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.

AB - 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.

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Geochronology in deeply weathered terrains using lead-lead isochrons

Abstract

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