Hungarian Academy of Sciences (HAS)

Hungarian Geological Society

Geochemistry and Paleoclimate (G and P) Research Group

Momentum (Lendület) Paleoclimate 2ka Research Group

Archeometry Research Group



  Institute / Organization / People / Facilities / History / Library            




full member of the Hungarian Academy of Sciences


phone: +361 319 3137

fax: +361 319 3137

e-mail: demeny at

room: 305-306



Place and date of birth: Budapest, 1962



- diploma in geology (ELTE TTK, 1986)

- university doctor (ELTE TTK, 1992)

- "candidate of geosciences" (Ph.D., MTA TMB 1994)

- doctor of the Hungarian Academy of Sciences (D.Sc., MTA 2001)

- corresponding member of the Hungarian Academy of Sciences (2010)

- full member of the Hungarian Academy of Sciences (2016)


Employment: Institute for Geological and Geochemical Research, Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences


Position: director


Scientific activities:

- Geochemical studies on Hungarian and Alpine high-pressure metamorphic rocks (Penninic rocks, leucophyllites, whiteschists).

- C,O,H and N isotope geochemistry of fluids of mantle-derived igneous rocks with special attention to fluid movements related to carbonatitic magmatism (magmatic rocks of Hungary, carbonatites from India, Canary Islands, the Kola peninsula and Canada).

- Stable isotope geochemistry of major extinction events (Permian-Triassic, Triassic-Jurassic).

- Paleoclimate research on terrestrial deposits, coordination of the Geochemistry and Paleoclimate Research Group in the institute.


New results published in Scientific Reports.


New results published in Quaternary Science Reviews.


New results published in Science Advances.


Study trips:

- Austria, 1987, 1 month, Soros Foundation.

- Utrecht, The Netherlands, 1988-1989, 5 months, Hungarian Scholarship Council.

- Trieste, Italy, 1993, 2 months, CNR.

- Lausanne, Switzerland, 1995, 4 months, Fonds National Suisse de la Recherche Scientifique.

- Tübingen, Germany, 1996, 2 months, DAAD.

- University of Rome, Italy. Invited as visiting professor for 1 month in 2001.

- University of Lausanne, 3 months, Fondation Herbette.


Main  professional activities:

- 1994-96. International Isotope Society, chairman

- 1996-. Member of the Committee for Mineralogy-Petrography-Geochemistry of the Hungaran Academy of Sciences. 2002-2008: Secretary. 2008-: chairman.

- 2000-2008: International Association for Geochemistry and Cosmochemistry Councillor/Executive Member; 2002-2008: Secretary.

- 2006-: secretary of the Hungarian National Committee of the International Union of Geological Sciences.

- 2004-2008: member of the Earth Sciences 1 jury of the Hungarian national Research Fund, chairman from 2005 to 2008.

- 2005-: editorial board member of Acta Geologica Hungarica.

- 2008-: member of the Habilitation Committee of the Eötvös Loránd University

- 2009-: Earth System Science Data, editorial board member.

- 2010-: Editor-in-Chief of Central European Geology.


Conference organization:     

- 1996. Isotope Workshop III, Budapest

- 1997. 1st Isotope Geochemistry Meeting, Budapest (Hungarian)

- 1997. The role of geo- and environmental sciences in the preservation of our historical heritage, meeting, Budapest (Hungarian)

- 2000, 2002: Hungarian Meeting of Isotope Geochemistry.

- 2007. PAGES (Past Global Changes) 2007 conference for the Hungarian participants.

- 2008: International Geological Congress, session convener.

- European Geosciences Union, session convener (2006, 2009, 2010, 2011, 2012)

- JESIUM 2012, session convener


Awards and scholarships:

- Szádeczky Kardoss Elemér Foundation, 1st and 2nd Awards.

- 1993. Youth Award, Hungarian Academy of Sciences.

- 2003. Publication Award of the Hungarian Meteorological Survey.

- 2007. Academy Award.

- 2009. Certificate of Recognition. International Association of GeoChemistry. 


Teaching activities:

Eötvös Loránd University, Budapest: special course ("Principles and applications in stable isotope geochemistry"), consulent of diploma and Ph.D. works (3).


Full list of publications


Selected publications of the last 5 years

Demény, A., Kern, Z., Czuppon, Gy., Németh, A., Schöll-Barna, G., Siklósy, Z., Leél-Ossy, Sz., Cook, G., Serlegi, G., Bajnóczi, B., Sümegi, P., Király, Á., Kiss, V., Kulcsár, G., Bondár, M. (2019) Middle Bronze Age humidity and temperature variations, and societal changes in East-Central Europe. Quaternary International, 504, 80-95.

Demény, A., Kern, Z., Németh, A., Frisia, S., Hatvani, I.G., Czuppon, Gy., Leél-Ossy, Sz., Molnár, M., Óvári, M., Surányi, G., Gilli, A., Wu, Ch.-Ch., Shen., Ch.-Ch. (2019) North Atlantic influences on climate conditions in East-Central Europe in the late Holocene reflected by flowstone compositions. Quaternary International 512, 99–112.

Németh, P., Mugnaioli, E., Gemmi, M., Czuppon, Gy., Demény, A., Spötl, C. (2018) A nanocrystalline monoclinic CaCO3 precursor of metastable aragonite. Science Advances 4, 12, eaau6178.

Hatvani IG, Kern Z, Leel-Ossy S, Demeny A (2018) Speleothem stable isotope records for east-central Europe: resampling sedimentary proxy records to obtain evenly spaced time series with spectral guidance. Earth System Science Data 10, 139-149.

Újvári G, Stevens T, Molnár M, Demény A, Fabrice L, Varga G, Jull AJT, Páll-Gergely B, Buylaert JP, Kovács J (2017) Coupled European and Greenland last glacial dust activity driven by North Atlantic climate. Proceedings of the National Academy of Sciences of the United States of America 114, 10632-10638.

Demény A, Kern Z, Czuppon Gy, Németh A, Leél-Össy Sz, Siklósy Z, Lin K, Hsun-Ming H, Shen Ch-Ch, Vennemann T W, Haszpra L (2017) Stable isotope compositions of speleothems from the last interglacial e Spatial patterns of climate fluctuations in Europe. Quaternary Science Reviews 161: pp. 68-80.

Demény, A., Németh, P., Czuppon, Gy., Leél-Össy, Sz., Szabó, M., Judik, K., Németh, T., Stieber, J. (2016) Formation of amorphous calcium carbonate in caves and its implications for speleothem research. Scientific Reports, 6:39602, DOI: 10.1038/srep39602

Kovács, I., Demény, A., Czuppon, G., Lécuyer, C., Fourel, F., Xia, Q.-K., Liu, J., Pintér, Zs., Király, E., Török, K., Szabó, Á., Deloule, E., Falus, Gy., Fancsik, T., Zajacz, Z., Sándorné Kovács, J., Udvardi, B. (2016) Water concentrations and hydrogen isotope compositions of alkaline basal-hosted clinopyroxene megacrysts and amphibole clinopyroxenites: the role of structural hydroxyl groups and molecular water. Contribution to Mineralogy and Petrology, 171, 38. DOI: 10.1007/s00410-016-1241-0

Demény, A., Czuppon, Gy., Kern, Z., Leél-Össy, Sz., Németh, A., Szabó, M., Tóth, M., Wu, Ch-Ch., Shen,Ch.-Ch., Molnár, M., Németh, T., Németh, P., Óvári, M. (2016): Recrystallization-induced oxygen isotope changes in inclusion-hosted water of speleothems – Paleoclimatological implications. Quaternary International, 415, 25-32.

Demény A (2015) Lézerspektroszkópia: új technika a hidrológiai és paleoklíma-kutatás területén. Magyar Tudomány 176, 462-469.

Downes PJ, Demény A, Czuppon Gy, Lynton Jaques A, Verrall M, Sweetapple M, Adams D, McNaughton NJ, Gwalani LG, Griffin BJ (2014) Stable H–C–O isotope and trace element geochemistry of the Cummins Range Carbonatite Complex, Kimberley region, Western Australia: implications for hydrothermal REE mineralization, carbonatite evolution and mantle source regions. Mineralium Deposita 49, 905-932.

Czuppon Gy, Ramsay RR, Özgenc I, Demény A, Gwalani LG, Rogers K, Eves A, Papp L, Palcsu L, Berkesi M, Downes PJ (2014) Stable (H, O, C) and noble-gas (He and Ar) isotopic compositions from calcite and fluorite in the Speewah Dome, Kimberley Region, Western Australia: implications for the conditions of crystallization and evidence for the influence of crustal-mantle fluid mixing. Mineralogy and Petrology 108, 759-775.



Last update: 25 September 2019