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Sm-Nd systematics of zircon

Amelin, Yuri


147Sm-143Nd and 146 Sm- 142Nd systems were studied in nineteen 3.32-4.02 Ga zircon grains from Jack Hills metaconglomerate, 12 of which were previously analyzed for Lu-Hf. Nd concentrations in the zircons are 0.9-20 ppm. The amount of Nd recovered was between 13 and 446 pg. The analytical precision of 142Nd/144Nd and 143Nd/144Nd ratios varied between 0.004% and 0.08% (2σm) depending on the sample size. The 147Sm/144Nd ratios vary from 0.4 to 1.2. 143Nd/144Nd ratios are variably radiogenic, from...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
Source: Chemical Geology
DOI: 10.1016/j.chemgeo.2004.07.004


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