Articles | Volume 10, issue 1
Solid Earth, 10, 95–116, 2019
https://doi.org/10.5194/se-10-95-2019
Solid Earth, 10, 95–116, 2019
https://doi.org/10.5194/se-10-95-2019

Research article 17 Jan 2019

Research article | 17 Jan 2019

Deformation of feldspar at greenschist facies conditions – the record of mylonitic pegmatites from the Pfunderer Mountains, Eastern Alps

Felix Hentschel et al.

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Short summary
We used microscopy and electron backscatter diffraction to analyse the deformation behaviour of feldspar at greenschist facies conditions in mylonitic pegmatites of the Austroalpine basement. There are strong uncertainties about feldspar deformation, mainly because of the varying contributions of different deformation processes. We observed that deformation is mainly the result of coupled fracturing and dislocation glide, followed by growth and granular flow.