Research

Isotope Geochemistry, Geochronology and Thermochronology

 


GROUP HIGHLIGHTS:

New papers out:

Antoine C., Spikings R.A., Miletic D., Marsh J.S., Gaynor S.P., Schaltegger U. (2022) 40Ar/39Ar geochronology of the Drakensberg continental flood basalts: Understanding large argon isotopic variations in mafic groundmass and plagioclase size fractions. Chem. Geol. 610, 121086, https://doi.org/10.1016/j.chemgeo.2022.121086

Ruiz M., Schaltegger U., Gaynor S.P., Chiaradia M., Abrecht J., Gisler C., Giovanoli F., & Wiederkehr M. (2022) Reassessing the intrusive tempo and magma genesis of the late Variscan Aar batholith: U-Pb geochronology, trace element nad initial Hf isotope composition of zircon. Swiss Journal of Geosciences, 115:20, https://doi.org/10.1186/s00015-022-00420-1

Gaynor S.P., Ruiz M. & Schaltegger U. (2022) The importance of high precision in the evaluation of U-Pb zircon age spectra. Chemical Geology, 603, 120913. https://doi.org/10.1016/j.chemgeo.2022.120913

Chiaradia, M. & Caricchi, L. (2022)  Supergiant porphyry copper deposits are failed large eruptions. Nature Communications Earth & Environment. Link web: https://www.nature.com/articles/s43247-022-00440-7


 

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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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