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A crustal-scale cross-section through the Tauern Window (eastern Alps) from geophysical and geological data

By
B. Lammerer
B. Lammerer
Dept. of Earth and Environmental Sciences, Ludwig-Maximilians-University Munich Luisenstr.37, D-80333 München, Germany (e-mail: Lammerer@lmu.de)
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H. Gebrande
H. Gebrande
Dept. of Earth and Environmental Sciences, Ludwig-Maximilians-University Munich Luisenstr.37, D-80333 München, Germany (e-mail: Lammerer@lmu.de)
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E. Lüschen
E. Lüschen
Federal Institute of Geosciences and Natural Resources (BGR), Stilleweg 2, D-30655 Hanover, Germany
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P. Veselá
P. Veselá
Dept. of Earth and Environmental Sciences, Ludwig-Maximilians-University Munich Luisenstr.37, D-80333 München, Germany (e-mail: Lammerer@lmu.de)
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Published:
January 01, 2008

Abstract

A restorable geological cross-section through the entire crust of the Tauern Window is presented. It is drawn from surface geology and seismic data of the TRANSALP vibroseis section using balancing software. The architecture of the window is characterized by three horses in a large duplex structure and folded granitic sills. The duplex was later uplifted along two large faults at its northern rim. The first is a blind fault along the deep-reaching sub-Tauern ramp with a displacement of 17 km. The tip of the hanging wall block wedged underneath the Austroalpine and Penninic nappes and caused a triangle structure. This led to backthrusting and backfolding within the marginal rocks of the window. At the second one, the Tauern North Boundary Fault occurred in our retrodeformation, a throw of c. 3 km. A total shortening of the crust or parts of the crust of c. 60 km in north–south direction led to uplift of the Tauern Window.

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Contents

Geological Society, London, Special Publications

Tectonic Aspects of the Alpine-Dinaride-Carpathian System

S. Siegesmund
S. Siegesmund
University of Göttingen, Germany
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B. Fügenschuh
B. Fügenschuh
University of Innsbruck, Austria
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N. Froitzheim
N. Froitzheim
University of Bonn, Germany
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Geological Society of London
Volume
298
ISBN electronic:
9781862395466
Publication date:
January 01, 2008

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