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Electron-microprobe dating as a tool for determining the closure of Th-U-Pb systems in migmatitic monazites

Cocherie, Alain; Be Mezeme, Eugène; Legendre, Olivier; Fanning, Christopher; Faure, Michel; Rossi, Philippe

Description

High spatial resolution dating of monazite by the electron-probe microanalyzer (EPMA) enables systematic and detailed studies of small minerals. Like zircon, monazite records the complex history undergone by the host rocks. Recent improvements in the statistical treatment of many in situ data now make it possible to decipher the related thermal events and so obtain reliable and precise ages. Our work shows that a significant number of individual spot analyses is required to reach such precise...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
URI: http://hdl.handle.net/1885/84069
Source: American Mineralogist
DOI: 10.2138/am.2005.1303

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