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Fig. 3 | Swiss Journal of Geosciences

Fig. 3

From: Widespread Permian granite magmatism in Lower Austroalpine units: significance for Permian rifting in the Eastern Alps

Fig. 3

Outcrop 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, garnet

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