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Swiss Journal of Geosciences
Fig. 1 | Swiss Journal of Geosciences

Fig. 1

From: Bristen granite: a highly differentiated, fluorite-bearing A-type granite from the Aar massif, Central Alps, Switzerland

Fig. 1

Geological map of the basement windows: Aar massif north of the Urseren-Garvera Zone, Gotthard massif south of the Urseren-Garvera Zone, and Tavetsch (TZM) massif (redrawn after Labhart 2005). Location of Bristen granite (Brgr) at tunnel level is marked with a star, its extent is unknown. Variscan granites: F Fibbia, G Gamsboden, Ga Gastern, Gr Grimsel granodiorite, M Mittagflue, MG Medel granite, Nbf northern border facies of central Aar granite, R Rotondo, Ka Kessiturm aplite. Metavolcanic rocks (metarhyolites) of Intschi Formation and Tscharren Formation

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