Structural and chemical resetting processes in white mica and their effect on K-Ar data during low temperature metamorphism

White mica has been widely used to date microstructures and tectonic events in faults, shear-zones and folds because of its suitability for radiogenic dating. However, complex (i) microstructural evolution, (ii) individual chemical evolution of the K-bearing phases, (iii) mixing of ‘detrital grains’...

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Veröffentlicht in:	Tectonophysics 2021-02, Vol.800, p.228708, Article 228708
Hauptverfasser:	Akker, Ismay Vénice, Berger, Alfons, Zwingmann, Horst, Todd, Andrew, Schrank, Christoph E., Jones, Michael W.M., Kewish, Cameron M., Schmid, Timothy C., Herwegh, Marco
Format:	Artikel
Sprache:	eng
Schlagworte:	Accretion Chemical evolution Chemical precipitation Deformation Diffusion Dissolution Dissolving Evolution Fluorescence Fluorescence microscopy Fossils Geological faults Grain size Imaging techniques K-Ar Low temperature Metamorphism Mica Microstructure Particle size Phyllosilicates Precipitation Precipitation processes Recrystallization Solifluction Synchrotron radiation Synchrotrons Tectonics Temperature effects X-ray fluorescence
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