Excess <sup>40</sup>Ar in Alkali Feldspar and <sup>206,207</sup>Pb in Apatite Caused by Fluid-Induced Recrystallisation in a Semi-Closed Environment in Proterozoic (Meta)Granites of the Mt Isa Inlier, NE Australia

Excess <sup>40</sup>Ar in Alkali Feldspar and <sup>206,207</sup>Pb in Apatite Caused by Fluid-Induced Recrystallisation in a Semi-Closed Environment in Proterozoic (Meta)Granites of the Mt Isa Inlier, NE Australia

Interpretation of <sup>40</sup>Ar/<sup>39</sup>Ar dates of alkali feldspar and U-Pb dates of apatite depends on the dominant mechanism of isotopic transport in these minerals, which can be either diffusion or fluid-assisted dissolution-reprecipitation. To clarify the contribu...

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Main Authors: Daniil Popov, Richard Spikings, André Navin Paul, Maria Ovtcharova, Massimo Chiaradia, Martin Kutzschbach, Alexey Ulianov, Gary O’Sullivan, David Chew, Kalin Kouzmanov, Eszter Badenszki, J. Stephen Daly, Joshua H. F. L. Davies
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Geosciences
Subjects:
apatite
U-Pb
alkali feldspar
<sup>40</sup>Ar/<sup>39</sup>Ar
Rb-Sr
geochronology
Online Access:https://www.mdpi.com/2076-3263/14/12/358
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