Mgr. Jiří Sláma, Ph.D.

Pracovní zařazení: 
vědecký pracovník

+420 233 087 236
slamaatgli [dot] cas [dot] cz

Rozvojová 269, 165 00 Praha 6 - Lysolaje, Czech Republic
Číslo místnosti: 
Suchdol 211
Pracovní skupina: 
Oddělení geologických procesů
isotope geochemistry

After having spent 8 years at the University of Bergen (Norway) where I had used array of the ICP-MS and laser instruments for isotopic analysis of geological materials (Single collector, double focusing magnetic sector ICP-mass spectrometer Thermo Finnigan Element 2, NU Attom; Multi-collector, double focusing magnetic sector ICP-mass spectrometer Thermo Finnigan Neptune, NU Plasma II; New Wave UP-213 NdYAG laser system, Resonetics excimer 193 nm laser ), I returned back to the Academy of Sciences in Prague in 2016. Here I pursue a number of different topics of geology with focus on geochemical applications. Besides the routine LA-ICP-MS U-Pb zircon dating, in-situ zircon Hf analysis and Lu-Hf chemical dilution techniques I will focus on a developement and implementation of new (chemical abrasion for LA-ICP-MS zircon dating) as well as classical methods (ID-TIMS U-Pb dating of accessory minerals).

My research will now be more focused on the Variscan orogenic system while keeping connections to the topics I used to work on previously (Scandinavian Caledopnides, S. Africa - S.America panafrican orogen, zircon detrital provenance studies etc.)

Ongoing and future projects:

  • Study of the zircon provenance of the metamorphosed Variscan rocks in Central Europe (Bohemian Massif)
  • Petrology, geochemistry and evolution of the Kaoko Belt in Namibia and its relationship to the South American counterpart
  • Geology of Scandinavian Caledonides


The other topics studied in past are listed below:

  • Timanian orogen foreland basin of Baltica in Lower Paleozoic
  • Reliability of the zircon detrital provenance studies - experimental approach
  • Hf isotopes in zircon - complex behaviour, age of crystallization vs. origin of the rocks
  • Detrital provenance of Neoproterozolic to Cretaceous sedimentary sequences of the eastern margin of Greenland
  • Evolution of the Jan Mayen microcontinent
  • Structure, emplacement, and tectonic setting of Late Devonian granitoid plutons in the Tepla–Barrandian unit, Bohemian Massif
  • Investigation of the Sm-Nd isotopic system in accessory minerals by laser ablation MC-ICP-MS technique with potential for mineral single-grain Sm-Nd dating
  • Plesovice zircon - a newly established international zircon reference material for Laser ablation ICP-MS isotopic analyses
  • Partition of trace elements between coexisting minerals in metamorphic rocks and their use in geothermometry
  • Palaeogeographic significance of the roof pendants of the Central Bohemian Plutonic Complex in the Bohemian Massif; sedimentary provenance studies 
  • Growth and behaviour of zircon in high-grade metamorphic rocks

Selected peer-reviewed publications:

  1. J. Žák, J. Sláma, M. Burjak (online 1/2016): Rapid extensional unroofing of a granite–migmatite dome with relics of high-pressure rocks, the Podolsko complex, Bohemian Massif. Accepted to Geological Magazine.
  2. L. Ackerman, E. Haluzová, M. Bizimis, J. Sláma, M. Svojtka, T. Hirajima, V. Erban (In review): Re-Os and Lu-Hf isotopic constraints on the formation and age of mantle pyroxenites from the Bohemian Massif, Czech Republic. Resubmitted (2/2016) after revision to Lithos.
  3. J. Slama, R-B. Pedersen (2015): Zircon provenance of SW Caledonian phyllites reveals a distant Timanian sediment source, J. Geol. Soc. London, 172, 465-478.
  4. S.W. Faryad, V. Kachlík, J. Sláma, G. Hoinkes (2015): Corona formation in metatroctolite from the Moldanubian zone (Bohemian Massif), Journal of Metamorphic Geology, 33, 295-310.
  5. J. Konopásek, E. Pilátová, J. Košler, J. Sláma (2014): Zircon (re)crystallization during short-lived high-pressure granulite facies metamorphism (Eger Complex, NW Bohemian Massif), Journal of Metamorphic Geology, 32, 885-902. doi:10.1111/jmg.12098
  6. J. Konopásek, J. Košler, J. Sláma, V. Janoušek (2014): Timing and sources of pre-collisional Neoproterozoic sedimentation along the SW margin of the Congo Craton (Kaoko Belt, NW Namibia), Gondwana Research, 26, 386-401, Doi: 10.1016/
  7. J. Košler, J. Konopásek, J. Sláma, S. Vrána (2014): U-Pb zircon provenance of Moldanubian metasediments in the Bohemian Massif, Journal of the Geological Society London, vol. 171, 83-95, doi:10.1144/jgs2013-059
  8. J. Kosler, J. Slama, E. Belousova, F. Corfu, G. Gehrels, A. Gerdes, M Horstwood, K. Sircombe, P. Sylvester, M. Tiepolo, M. Whitehouse, J. Woodhead (2013): U-Pb detrital zircon analysis – results of inter-laboratory comparison, Geostandards and Geoanalytical Research, 37, 3, 243-259, DOI: 10.1111/j.1751-908X.2013.00245.x
  9. J. Žák, K. Verner, J. Sláma, V. Kachlík, M. Chlupáčová (2013): Multistage magma emplacement and progressive strain accumulation in the shallow-level Krkonoše–Jizera plutonic complex, Bohemian Massif, Tectonics, Volume 32, Issue 5, pages 1493–1512, doi: 10.1002/tect.20088
  10. J. Slama, J. Kosler (2012): Effects of sampling and mineral separation on accuracy of detrital zircon studies, Geochemistry, Geophysics, Geosystems (G3), vol. 13 (5), 17p, doi:10.1029/2012GC004106
  11. E. G. Grosch, J. Kosler, N. McLoughlin, K. Drost, J. Slama, R. B. Pedersen (2011): Paleoarchean detrital zircon ages from the earliest tectonic basin in the Barberton Greenstone Belt, Kaapvaal craton, South Africa, Precambrian Research, vol. 191, 1-2, 85-99.
  12. J. Zak, Z. Kratinova, J. Trubac, V. Janousek, J. Slama,  J. Mrlina (2011): Structure, emplacement, and tectonic setting of Late Devonian granitoid plutons in the Tepla–Barrandian unit, Bohemian Massif, Int J Earth Sci (Geol Rundsch), vol. 100, 1477-1495.
  13. J. Slama, O. Walderhaug, H. Fonneland, J. Kosler, R.-B. Pedersen (2011): Provenance of Neoproterozoic to Upper Cretaceous sedimentary rocks, eastern Greenland: Implications for recognizing the sources of sediments in the Norwegian Sea, Sedimentary Geology, vol. 238, 3-4, 254-267,
  14. J. Sláma, D. J. Dunkley, V. Kachlík, M. A. Kusiak (2008): Evidence for a transition from island-arc to passive setting on the continental margin of Gondawana: U-Pb zircon dating of Neoproterozoic metaconglomerates from the SE margin of the Teplá-Barrandian Unit, Bohemian Massif, Tectonophysics., vol. 461 (2008), 44 – 59,
  15. J. Sláma, J. Košler, D. J. Condon, J. L. Crowley, A. Gerdes, J. M. Hanchar, M. S. A. Horstwood, G. A. Morris, L. Nasdala, N. Norberg, U. Schaltegger, B. Schoene, M. N. Tubrett, M. J. Whitehouse (2008): Plešovice zircon – a new natural reference material for U-Pb and Hf isotopic microanalysis, Chemical Geology, vol. 249, no. 1-2 (2008), 1–35,
  16. J. Sláma, J. Košler, R. B. Pedersen (2007): Behaviour of zircon in high-grade metamorphic rocks: evidence from Hf isotopes, trace elements and textural studies, Contributions to Mineralogy and Petrology, vol. 154, no. 3 (2007), 335-356.