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Accurate in situ 238 U 234 U 232 Th 230 Th analysis of silicate glasses and iron oxides by laser-ablation MC-ICP-MS

Bernal, Juan; Eggins, Stephen; McCulloch, Malcolm

Description

U-series microanalysis and dating is providing new insights into the timing and rates of formation of different minerals, including opals, authigenic iron oxides, zircons, and pedogenic carbonates, during the late Pleistocene. However, the low natural abundance of U and its decay chain isotopes, makes in situ U-series isotope analysis difficult. Using a state-of-the art excimer laser-ablation system coupled to a second generation MC-ICP-MS (Finnigan Neptune), we demonstrate the ability to...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
URI: http://hdl.handle.net/1885/82394
Source: Journal of Analytical Atomic Spectrometry
DOI: 10.1039/b505020k

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