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Simultaneous resetting of the muscovite K-Ar and monazite U-Pb geochronometers: a story of fluids

Tartese, Romain; Ruffet, Gilles; Poujol, Marc; Boulvais, Philippe; Ireland, Trevor


Although water is ubiquitous in the continental crust, its effect on geochronometers through mineral reequilibration is rarely taken into account. Herein, we present 40Ar/39Ar analyses on muscovite and U-Pb isotopic data on zircon and monazite from a Variscan syn-tectonic granite from western France. Both the K-Ar in the muscovite and U-Pb in the monazite isotopic systems were hydrothermally reset, whereas the U-Pb radiogenic system in most of the zircons was unaffected and dates the granite...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Terra Nova
DOI: 10.1111/j.1365-3121.2011.01024.x


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