Articles | Volume 2, issue 1
https://doi.org/10.5194/gchron-2-119-2020
https://doi.org/10.5194/gchron-2-119-2020
Research article
 | 
11 May 2020
Research article |  | 11 May 2020

Unifying the U–Pb and Th–Pb methods: joint isochron regression and common Pb correction

Pieter Vermeesch

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Latest update: 25 Apr 2024
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Short summary
The U–Pb method is one of the most powerful and versatile methods in the geochronological toolbox. With two isotopes of uranium decaying to two different isotopes of lead, the U–Pb method offers an internal quality control that is absent from most other geochronological techniques. U-bearing minerals often contain significant amounts of Th, which decays to a third Pb isotope. This paper presents an algorithm to jointly process all three chronometers at once.