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Ti site occupancy in zircon

Tailby, Nicholas; Walker, Andrew M; Berry, Andrew John; Hermann, Joerg; Evans, Katy; Mavrogenes, John; O'Neill, Hugh; Rodina, I S; Soldatov, A.V.; Rubatto, Daniela; Sutton, Stephen

Description

Ti site occupancy in zircon (ZrSiO4) is fundamental to thermobarometry because substitution mechanisms control Ti content-temperature relations. Here we describe the results of three independent methods used to demonstrate that Ti substitutes for Si and not Zr in zircon. Zircon grains were synthesized from oxide powders held in a Na2WO4 flux at 1bar and 1300°C. Zircon grains equilibrated with rutile+cristobalite show Ti contents (1201ppm) nearly half that of zircon grains equilibrated with...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
URI: http://hdl.handle.net/1885/55948
Source: Geochimica et Cosmochimica Acta
DOI: 10.1016/j.gca.2010.11.004

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