Fig. 4From: Widespread Permian granite magmatism in Lower Austroalpine units: significance for Permian rifting in the Eastern AlpsRepresentative cathodoluminescence images of zircon grains from porphyric metagranite (Grobgneis) samples. The locations of laser spots (red and blue circles for U–Pb and Lu–Hf analyses, respectively) are indicatedBack to article page