Fig. 3From: Widespread Permian granite magmatism in Lower Austroalpine units: significance for Permian rifting in the Eastern AlpsOutcrop photos (a, c) of sample locations and representative photomicrographs (b, d) from the Grobgneis (sample numbers are shown in the upper right corner). a Typical porphyritic texture of the Grobgneis; b Photomicrographs both in plane-polarized light (right) and in cross-polarized light (left); c mylonitic fabric showing the moderate foliation; d lath-shaped K-feldspar (Kfs) displaying the Carlsbad twin in cross-polarized light. Qz, quartz; Kfs, potassium feldspar; Pl, plagioclase; Mus, muscovite; Grt, garnetBack to article page