Prof. Aleksander Horvat, Ph. D.

Aleksander Horvat

Senior research fellow and head of the Ivan Rakovec Institute of Palaeontology, Research Centre of the Slovenian Academy of Sciences and Arts, Full Professor of Geology at 2nd and 3rd level study programmes at Postgraduate School ZRC SAZU.


  • Sc. Geology (University of Ljubljana, 1986)
  • Sc. Geology (University of Ljubljana, 1990)
  • D. Geology (University of Ljubljana, 2003)


Research interests

  • Cretaceous and Tertiary stratigraphy, sedimentology palaeoecology, and palaeogeography,
  • Diatom and silicoflagellate paleontology, biostratigraphy and palaeoecology,
  • Quaternary Geology;
  • Geoarchaeology.

Main visiting appointment

  • Visiting lecturer at University of Zagreb, Faculty of Science, Department of Geology, Croatia (2008-2010).


  • Expert Editor on the New Slovenian biographic lexicon
  • Member of Paleontological Society
  • Member of International Associaton of Sedimentologists
  • Member of European Geological Union


PhD mentorships:

  • Tomaž Verbič, 2008: Quaternary sediments, stratigraphy and neotectonics of the eastern Krško basin.
  • Ines Galović, 2009: Middle Miocene (Sarmatian) calcareous nannoplankton, silicoflagellates and diatoms of the soutwestern part of the Paratethys.
  • Anja Kocjančič, since 1. 10. 2020, thesis topic: Sedimentary evolution of Upper Cretaceous basin deposits in the Southern Alps and Dinarides.


Selected publications

  • Tulan, E., Sachsenhofer, R. F., Tari, G. C., Witkowski, J., Tǎmaş, D. M., Horvat, A., Tǎmaş, A. 2020: Hydrocarbon source rock potential and paleoenvironment of lower Miocene diatomites in the Eastern Carpathians Bend Zone (Sibiciu de Sus, Romania). – Geologica Carpathica, 71/5, 424-443.
  • Bohinc, T., Horvat, A., Ocvirk, M., Košir, I. J., Rutnik, K., Trdan, S. 2020: The first evidence of the insecticidal potential of plant powders from invasive alien plants against rice weevil under laboratory conditions. – Applied Sciences, 10/21, 7828,
  • Bohinc, T., Horvat, A., Andrić, G., Pražić Golić, M., Kljajić, P., Trdan, S. 2020: Natural versus synthetic zeolites for controlling the maize weevil (Sitophilus zeamais) – like Messi versus Ronaldo? – Journal of Stored Products Research, 88, 1-9.
  • Goričan, Š., Žibret, L., Košir, A, Kukoč, D. & Horvat, A. 2018: Stratigraphic correlation and structural position of Lower Cretaceous flysch-type deposits in the eastern Southern Alps (NW Slovenia). – International journal of earth sciences, 107-8, 2933-2953.
  • Horvat, A. 2018: Petrology and provenance of the raw material of stone artefacts from the Most na Soči Iron Age settlement. In: Dular, J. & Tecco Hvala, S. (Eds.): Železnodobno naselje Most na Soči. The Iron Age settlement at Most na Soči. Treatises. – Opera Instituti archaeologici Sloveniae, 34, 349-360.
  • Moro, A., Velić, I. Mikuž, V., Horvat, A. 2018: Microfacies characteristics of carbonate cobble from Campanian of Slovenj Gradec (Slovenia) : implications for determining the Fleuryana adriatica De Castro, Drobne and Gušić paleoniche and extending the biostratigraphic range in the Tethyan realm. – Mining-Geological-Petruleum Engineering Bull.,30/42, str. 1-13.
  • Moro, A., Horvat, A., Tomić, V., Sremac, J. & Bermanec, V. 2016: Facies development and paleoecology of rudists and corals: An example of Campanian transgressive sediments from northern Croatia, northeastern Slovenia, and northwestern Bosnia. – Facies,62-19, 18-25.
  • Horvat, A. 2016: Distephanopsis concavusHorvat: a revised silicoflagellate species from the middle miocene of the Central Paratethys. – Geologija, 59/2, 233-241.
  • Moreau, L., Odar, B., Higham, T., Horvat, A., Pirkmajer, D. & Turk P. 2015: Reassessing the Aurignacian of Slovenia. – Journal of Human Evolution, 78, 158-180.
  • Bartol, M., Mikuž, V., Horvat, A. 2014: Palaeontological evidence of communication between the Central Paratethys and the Mediterranean in the late Badenian/early Serravalian. – Palaeogeography, Palaeoclimatology, Palaeoecology; 394; 144-157.
  • Pavšič, J., Horvat, A. 2009: Eocene, Oligocene and Miocene in central and eastern Slovenia. – In: Pleničar, M., Ogorelec, B., Novak, M. (eds.): The Geology of Slovenia, 373-426.
  • Turk, J., Horvat, A. 2009: Sedimentological method for determination of palaeoenvironmental conditions at the Ljubljansko barje, case study Stare gmajne. (In: Velušček, A. (Ed.): The Ljubljansko barje in the 2nd half of the 4th millennium BC) – Opera Instituti archaeologici Sloveniae, 16, 35-48.
  • Horvat, A. 2004: Srednjemiocenske alge Slovenije: paleontologija, stratigrafija, paleontologija, paleobiogeografija. – Middle Miocene siliceous algae of Slovenia: Paleontology, Stratigraphy, Paleoecology, Paleobiogeography. − ZRC Publ., 255 pp., Ljubljana.
  • Horvat, A., Mišič, M. 2004: Mineralogy and sedimentology of diatomaceous sediments in Slovenia. – RMZ – Materials and geoenvironment, 51/4, 2145-2161.
  • Horvat, A. 2003: Upper Badenian diatom paleoecology of the western part of Central Paratethys. – Geologija, 46, 251 – 262.
  • Horvat, A. 2003: Middle Miocene silicoflagellates from the western part of Central Paratethys. – Razpr. 4. razr. SAZU 44, 57 79.


Geoarchaeology and bioarchaeology

Prof. Aleksander Horvat, Ph. D. ,


Geochemistry of sedimentary rocks

Assist. Prof. Špela Goričan, Ph. D. ,


Geology of sedimentary basins

Assist. Prof. Špela Goričan, Ph. D. ,


Geostatistics and numerical modelling of geological processes

Prof. Franci Gabrovšek, Ph. D. ,


Quaternary geology

Prof. Aleksander Horvat, Ph. D. ,