Dipl.-Geol. Sebastian Viehmann, PhD

Research Interests:

1. Evolution of early Earth's environments
2. Biogeochemistry
3. (Marine) chemical sediments
4. Trace element and isotope geochemistry
5. High field strength and rare earth element geochemistry
6. Geochronology
7. Weathering and erosion processes

Short CV:
2021- today: Post-doctoral researcher within the FWF project "The evolution of the earliest marine habitats on Earth" (P 34238; stand-alone project)

2019 - 2021: Senior research fellow at the Department of Geology at the University of Vienna, Austria.

2017 – 2019: Post-doctoral research associate at the Department of Geodynamics and Sedimentology at the University of Vienna, Austria funded by an individual Marie-Curie fellowship of the European Union Horizon 2020 programme.
Project ELEMIN: How the earliest life on Earth became mineralised.

2016 - 2017: Guest scientist at the Department of Geodynamics and Sedimentology at the University of Vienna, Austria.

2011 – 2016: PhD student and research associate at the Department of Physics and Earth Sciences at the Jacobs University Bremen, Germany.
Thesis topic: “The evolution of Precambrian environments and their impact on the trace element and Hf-Nd isotopic composition of ancient seawater”.

2004 – 2011: Diploma (MSc equivalent) in Geology/Paleontology at the Rheinische Friedrich-Wilhelms Universität Bonn, Germany.
Thesis topic: “Seawater-derived REY, trace element and HFSE systematics of Archean Banded Iron Formations (BIFs)”.

Born 1985 in Bergisch Gladbach, Germany

List of publications: https://publons.com/researcher/2232183/sebastian-viehmann

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Viehmann, S., Hohl, S. V., Kraemer, D., Bau, M., Walde, D. H. G., Galer, S. J. G., Jiang, S-Y., & Meister, P. (2018). The reconstruction of Mesoproterozoic microbial habitats during stromatolite formation. in EGU Conference 2018

Schier, K., Bau, M., Münker, C., Beukes, N., & Viehmann, S. (2017). Declining importance of high-temperature hydrothermal fluid input into shallow Transvaal seawater prior to the GOE. in GeoBremen 2017 "The System Earth and its Materials - from Seafloor to Summit"

Viehmann, S., Bau, M., Bühn, B., Dantas, E. L., Andrade, F. R. D., & Walde, D. H. G. (2017). Geochemical reconstruction Neoproterozoic Urucum habitat. in Goldschmidt 2017 Abstract

Viehmann, S., Bau, M., Bühn, B., Dantas, E. L., Andrade, F. R. D., & Walde, D. H. G. (2017). Reconstruction of the Neoproterozoic Urucum habitat in the fate of severe glaciogenic epochs. in GeoBremen 2017 "The System Earth and its Materials - from Seafloor to Summit"

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Banded Iron Formations – ancient proxies for the 182W composition of the upper mantle and crust

Andrea Mundl-Petermeier (Vortragende*r), Sebastian Viehmann (Autor*in), Jonas Tusch (Autor*in), Michael Bau (Autor*in) & Carsten Münker (Autor*in)

5 Jul 2021

Aktivität: VorträgeVortragScience to Science


Ancient mantle heterogeneties recorded in igneous and sedimentary rocks

Vinciane Debaille (Keynote speaker), Ashley Wainwright (Autor*in), J. Elis Hoffmann (Autor*in), Sebastian Viehmann (Autor*in) & Michael Bau (Autor*in)

2021

Aktivität: VorträgeVortragScience to Science



Stromatolites as archives for novel isotope proxies to reconstruct microbial habitats through deep time.

Simon V. Hohl (Vortragende*r) & Sebastian Viehmann (Autor*in)

2021

Aktivität: VorträgeVortragScience to Science


Trace metals and Nd isotopes in 3.35 Ga old stromatolites of the Strelley Pool Formation (Australia) unravel the genesis of carbonates and cherts.

Sebastian Viehmann (Vortragende*r), Joachim Reitner (Autor*in), Nathalie Tepe (Autor*in), Simon V. Hohl (Autor*in), Martin Van Kranendonk (Autor*in), Thilo Hofmann (Autor*in), Christian Koeberl (Autor*in) & Patrick Meister (Autor*in)

2021

Aktivität: VorträgeVortragScience to Science


Department für Lithosphärenforschung

Althanstraße 14 (UZA II)
1090 Wien

T: +43-1-4277-53606

sebastian.viehmann@univie.ac.at