Research Fellow (part-time)

Research interests

Research interests: 

Neogene and Quaternary stratigraphy, sedimentology, paleontology, paleoecology and paleogeography, diatom and silicoflagellate paleontology, geoarchaeology

Teaching activity:

Lecturer of Geology and paleontology, Stratigraphy, Quaternary Geology, Paleontology, Paleoecology at the Department of Geology, University of Ljubljana

Other activities:

Editor of the Geološki zbornik magazine, Member of the Professional Council of the Slovenian Museum of Natural History

Selected publications


Rojht, H., Horvat, A., Athanassiou, Ch. G., Vayias, B. J., Tomanović, Ž., Trdan, S. 2010: Impact of geochemical composition of diatomaceous earth on its insecticidal activity against adults of Sitophilus oryzae (L.) (Coleoptera: Curculionidae). – J. Pest Sci., 83/4, 429-436.

Rojht, H., Horvat, A., Trdan, S. 2010: Local Slovenian quartz sands have low insecticidal activity against rice weevil (Sitophilus orzyae [L.], Coleoptera, Curculionidae) adults. – Journal of Food, Agriculture & Environment, 8/3-4, 500-505.

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.

Rižnar, I., Miletić, D., Verbič, T., Horvat, A. 2002: Middle Miocene sediments on the northern part of Gorjanci between Čatež and Kostanjevica (SE Slovenia). – Geologija, 45, 531-536.

Curriculum Vitae


B.Sc. – 1986 University of Ljubljana
M.Sc. – 1990 University of Ljubljana
Ph.D. – 2003 University of Ljubljana


From 1987 at the University of Ljubljana, Faculty of Natural Sciences and Engineering, Department of Geology
From 2004 part-time researcher at the Ivan Rakovec Institute of Palaeontology ZRC SAZU


University of Zagreb, Faculty of Science, Department of Geology, Croatia: 2008-2010 as visiting lecturer 1 month each year



Neogene • Quaternary • diatoms