Isotope Geochemistry, Geochronology and Thermochronology

About Us

  • Radiogenic and heavy stable isotope geochemistry
  • High-precision U-Pb geochronology
  • Low and high-temperature thermochronology

 


GROUP NEWS

New funded research projects:

Starting November 1, 2018: "Quantifying decamillennial changes in carbon cycling, climatic and biotic responses to Late Permian-Early Triassic volcanism" (SNSF Sinergia project; Urs Schaltegger co-PI)

Starting January 1, 2019: "Temporal coupling of environmental change, volcanism and evolution in the geological past through high-precision geochronology" (SNSF project; Urs Schaltegger, PI

Starting February 1, 2019: "U-Pb geochronology of the Ediacaran period – the first failed experiment of multicellular life on Earth" (SNSF project; Maria Ovtcharova PI)

Argon-argon lab: The new ARGUS VI mass spectrometer has been installed and its mass discrimation factor very precisely determined. Richard, Danijela and Daniil are trying to obain first in-situ 40Ar/39Ar laser ablation spot ages!

Triton TIMS: The upgrade of the collector unit with 5 new amplifiers with 1E13 Ohm feedback resistors has been successfully terminated. The new equipment will enhance signal/background ratios by a factor of ~3.3 and will be beneficial for more precise U oxide isotope measurements.


 

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U-Pb geochronology

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High-precision U-Pb dating of accessory minerals to resolve timescales of geological processes

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Isotopic tracing

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Tracing of sources and processes in various environments using radiogenic and heavy stable isotopes

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Thermochronology

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Extracting t-T histories using U-Pb, 40Ar/39Ar and fission track techniques to solve various structural and tectonic questions

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Recent Publications

People

Faculty

Massimo Chiaradia

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Richard Spikings

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Urs Schaltegger

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Research Associates

Diego Villagomez-Diaz

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Federico Farina

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Joshua Davies

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Maria Schaltegger-Ovtcharova

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Nicolas Greber

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Research Partners

Christian Verard

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PhD Students

Ariadni Georgatou

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Daniil Popov

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Emmanuelle Ricchi

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Joaquin Bastias

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Luis Otavio Fortes De Lena

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Maria Teresa Bellver Baca

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Philipp Widmann

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Group Former Members

Bjoern Baresel

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