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Geochemical laboratory

To analyze the contents of carbon, organic carbon, carbonate and sulphur in bulk sediment samples, the institute houses a geochemical laboratory equipped with a LECO CS-230 device at the Institute for Earth Sciences (Heinrichstraße 26).

The geochemical proxy data are mainly used for paleoceanographic and paleolimnologic research as indicators of surface-water productivity, bottom-water oxygenation and riverine input.

Some current projects involving the LECO device:

  • Taxonomy and palecology of deep-sea foraminifers from the South Atlantic
  • Millennial- to centennial-scale vegetation dynamics and surface water productivity during the Late Miocene in and around Lake Pannon
  • Paleoceanography of the Central Paratethys during the Burdigalian and Langhian
  • Integrated facies-analysis in the Oligocene and Early Miocene of the North Alpine Foreland Basin
  • Paleonvironmental changes at the Cretaceous/Paleogene boundary in the Eastern Alps
  • Devonian reefs in Austria

 If you are interested in the services of the laboratory please contact our laboratory assistant Claudia Puschenjak: claudia.puschenjak(at)uni-graz.at,Tel: ++43 316 380 8739.



Claudia Puschenjak

Institut für Erdwissenschaften
Phone:+43 316 380 - 8739

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