These rock samples are the result of exploratory drilling. They provide information on the nature of the rock and form the basis for construction decisions. THROUGH THE ROCK MASS OF THE BRENNER MASSIF 28 Geological longitudinal section between Innsbruck and Fortezza INNSBRUCK Innsbruck quartz phyllite Viggartal Navistal Padastertal Schmirntal Valser Tal Arztal Bündner schists Brenner Base Tunnel Brenner Base Tunnel a.s.l. 2500 0 -2500 -5000 0 5.0 10.0 15.0 20.0 25.0
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