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Modern U-Pb chronometry of meteorites: Advancing to higher time resolution reveals new problems

Amelin, Yuri; Connelly, J.; Zartman, R E; Chen, J.H.; Gopel, C.; Neymark, L.A.


In this paper, we evaluate the factors that influence the accuracy of lead (Pb)-isotopic ages of meteorites, and may possibly be responsible for inconsistencies between Pb-isotopic and extinct nuclide timescales of the early Solar System: instrumental mass fractionation and other possible analytical sources of error, presence of more than one component of non-radiogenic Pb, migration of ancient radiogenic Pb by diffusion and other mechanisms, possible heterogeneity of the isotopic composition...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Geochimica et Cosmochimica Acta
DOI: 10.1016/j.gca.2009.01.040


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