Specialization

• carbonate sedimentology and diagenesis
• regional geology
• stratigraphy

Research interests and working areas

• Middle and Upper Triassic platform carbonates in the Transdanubian Range, Northern Calcareous Alps and Dinarides
• Upper Triassic basin and slope facies in the Transdanubian Range
• Environmental changes in the Permian–Triassic boundary interval on the basis of study of Hungarian sections
• Environmental changes in the Triassic-Jurassic boundary interval on the basis of study of Hungarian sections
• Study of characteristics of basement terranes of the Pannonian Basin, analysis of their relationships and reconstruction of their original setting

Research projects (Hugarian Science Found)

• 2010‒2015 Comparative study of the Upper Permian and Triassic dolomites of the Transdanubian Range and interpretation of their origin
• 2006‒2010 Importance of Triassic and Jurassic slope facies in the geodynamic reconstruction of the NW termination of the Neotethys
• 2000–2005 Environmental changes at the Permian-Triassic Boundary
• 1999–2001 Sequence stratigraphy of the Hungarian Triassic
• 1991–1994 Mesozoic setting of the Hungarian structural units

International co-operations

• 1996– Slovakian‒Hungarian – stratigraphy, regional geology (Hungarian Academy of Sciences)
• 1990– Serbian–Hungarian ‒ sedimentology, stratigraphy, regional geology (Hungarian Academy of Sciences)
• 1997–1999 Slovenian—Hungarian – stratigraphy, sedimentology (Bilateral)
• 1992–1994 Triassic cyclic carbonate (US‒Hungarian Joint Fund)

Professional affiliations & charges

• 2012 – President of National Committee of the International Union of Geological Sciences
• 2006–2012 President of the Hungarian Geological Society
• 1999–2005 and 2012– President of the Geological Commission of the Hungarian Academy
• 1991–2010 Editor-in-Chief of periodical Acta Geologica Hungarica
• 1990–1994 International Association of Sedimentologits Board member
• 1987–1994 President of the National Committee of IGCP
• 1985–2000 President of the Hungarian Sedimentological Commission

Awards

Selected publications

Haas J, Budai T, Gyori O, Kele S, 2014. Multiphase partial and selective dolomitization of Carnian reef limestone (Transdanubian Range, Hungary). SEDIMENTOLOGY 61:(3) pp. 836-859.     

HAAS J, PELIKÁN P, GÖRÖG Á, JÓZSA S, OZSVÁRT P, 2013. Stratigraphy, facies and geodynamic settings of Jurassic formations in the Bükk Mountains, North Hungary: its relations with the other areas of the Neotethyan realm. GEOLOGICAL MAGAZINE 150:(1) pp. 18-49.     

Haas J (szerk.) 2012. Geology of Hungary. Springer Verlag Berlin; Heidelberg, p. 236 (Regional Geology Reviews; XXIV.)(ISBN:978-3-642-21909-2)      

Haas J, Budai T, Raucsik B, 2012. Climatic controls on sedimentary environments in the Triassic of the Transdanubian Range (Western Hungary). PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 353-355: pp. 31-44.     

Haas J, Budai T, Csontos L, Fodor L, Konrád Gy. 2010. Magyarország pre-kainozoos földtani térképe 1:500000 (Pre-Cenozoic geological map of Hungary, 1:5000000)     

Haas J, Demény A, Hips K, Zajzon N, Weiszburg TG, Sudar M, Pálfy J, 2007. Biotic and environmental changes in the Permian-Triassic boundary interval recorded on a western Tethyan ramp in the Bukk Mountains, Hungary. GLOBAL AND PLANETARY CHANGE 55:(1-3) pp. 136-154.     

Haas J, Cs Péró, 2004. Mesozoic evolution of the Tisza Mega-unit. INTERNATIONAL JOURNAL OF EARTH SCIENCES 93:(2) pp. 297-313.     

Haas J, P Mioć, J Pamić, B Tomljenović, Árkai P, A Bérczi-Makk, S Kovács, B Koroknai, E Rálisch-Felgenhauer, 2000. Complex structural pattern of the Alpine-Dinaridic-Pannonian triple junction. INTERNATIONAL JOURNAL OF EARTH SCIENCES 89:(2) pp. 377-389.     

Haas J, 1999. Genesis of Late Cretaceous toe-of-slope breccias in the Bakony Mts, Hungary. SEDIMENTARY GEOLOGY 128: pp. 51-66.     

Haas J, Kovács S, Krystyn L, Lein R, 1995. Significance of Late Permian-Triassic facies zones in terrane reconstructions in the Alpine North Pannonian domain. TECTONOPHYSICS 242: pp. 19-40.