Member of SCNAT

SGS promotes the geological sciences in Switzerland. It publishes the “Swiss Journal of Geosciences” and organises scientific symposia, meetings of the stakeholders of the scientific community and thematic excursions.more

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Excursions of the Swiss Tectonic Studies Group

Err detachment

STSG Excursion of 2021 to the Aar Massif

The Swiss Tectonic Studies Group organized an excursion to the Aar Massif in the summer of 2021, from 27-29 August.

The excursion was led by Lukas Nibourel, Marco Herwegh and Alfons Berger. Lukas Nibourel completed his PhD in Geology at the University of Bern in 2019. He studied the structural and thermo-kinematic evolution of the eastern Aar Massif of the Swiss Central Alps, and now works at the Georesources Switzerland Group at the Department of Earth Sciences, ETH Zürich.

Spectacular outcrops were visited, mostly along the basement-cover contact, to discuss the structural and thermo-kinematic evolution of the eastern Aar Massif. The massif's deformation and exhumation history was reconstructed based on field observations and low-T thermochronological data. The influence of inherited normal faults on the distribution and geometry of Alpine compressional fault zones was another imporrtant topic.

The approximate excursion program is visible here:

The excursion guide is available on request at .

STSG Excursion 2018
STSG Excursion 2018

The 2019 Swiss Tectonic Studies Group (STSG) excursion of the SGS visited the Zermatt region from 27-29 September, 2019. The excursion was led by Prof. Lukas Baumgartner of the University of Lausanne.

In summer 2018 the Swiss Tectonic Studies Group visited the Alpine nappe stack at the northeastern border of the Lepontine dome (Swiss Central Alps). The excursion took place from 24th to 26th of August and was led by Michael Wiederkehr (Swiss Geological Survey, Wabern), Federico Galster (University of Texas, Austin) and Jacek Kossak-Glowczewski (University of Bonn).

Below an impression of the La Sarraz Fault Zone at Eclepens visited during a 2017 Swiss Tectonic Studies Group excursion. The excursion was guided by Jon Mosar of the University of Fribourg.

La Sarraz Fault at Eclepens
La Sarraz Fault at Eclepens