Fig. 10From: Bristen granite: a highly differentiated, fluorite-bearing A-type granite from the Aar massif, Central Alps, SwitzerlandNormative quartz and feldspar (vol.%) of Brgr, Permian metarhyolites, Aar granite and basement from tunnel samples (Figs. 1 and 2). Also shown is average feldspar composition of Brgr (56 Ab—44 Kfs also in vol.%)Back to article page