PÉTER ÁRKAI

full member of the Hungarian Academy of Sciences

retired research professor

phone: +361 319 3137

fax: +361 319 3137

e-mail: arkai@geochem.hu

room: 219

Main research interests

Metamorphic petrology, including:

- theoretical and methodological issues, systematics and nomenclature of low temperature metamorphism;

- diagenetic and metamorphic reaction progress of phyllosilicates;

- pressure - temperature - time relations of Alpine metamorphism in the Carpathian Basin;

- application of geothermometric and geobarometric methods to deciphering polymetamorphic events in the Carpathian Basin
 

Curriculum Vitae

Date and place of birth: 1944,  Budapest, Hungary

Working place:  1967 - present:  Institute for Geochemical Research (formerly, Laboratory for Geochemical Research), Hungarian Academy of Sciences, Budapest

Present position: research professor

Main research activity: metamorphic petrology and mineralogy

Academic/university degrees: PhD, D.Sc. (doctor of geological science), Dr. habil., Professor of Petrology, full member of the Hungarian Academy of Sciences

Educational history:

- M.Sc. in geology: Eötvös Loránd University of Sciences, Budapest, 1967

- Dr. univ. (geology): Eötvös Loránd University of Sciences, Budapest, 1971. Thesis: "Petrological and geochemical studies on the Lower Tortonian andesitic volcanism of the central and southwestern parts of the Cserhát Hills, northern Hungary"

- Ph.D. (C.Sc. candidate of geological science): Hungarian Academy of Sciences, 1983. Thesis: "Incipient regional metamorphism (on the examples of the Bükk, Uppony and Szendrő Mountains, NE-Hungary)"

- D.Sc. (doctor of geological science): Hungarian Academy of Sciences, 1993. Thesis:
"Low-temperature regional metamorphism (applications to the Paleozoic and Mesozoic formations of Hungary)"

- Dr. habil. (habilitation in petrology): József Attila University of Sciences, Szeged, 1995

- Professor of Petrology: József Attila University of Sciences, Szeged, 1996

- corresponding member of the Hungarian Academy of Sciences, 1998-2004

- full member of the Hungarian Academy of Sciences, 2004-

Awards:
- prize of the Central Geological Office of Hungary, 1980
- "award of Mária Vendl" of the Hungarian Geological Society, 1981
- award of the Hungarian Academy of Sciences, 1994

- "Széchenyi-award", Budapest 2006

- „The middle cross of the Republic of Hungary” medal order, Budapest 2011

Scientific organizations:

- member of the Geochemical, Mineralogical and Petrological Scientific Committee of the Hungarian Academy of Sciences

- member of the Hungarian national committee of the IUGS

- member of the IUGS Subcommission on Systematics of Metamorphic Rocks, leader of the Study Group A (Very low-grade metamorphic rocks): http://www.bgs.ac.uk/SCMR

- honorary member of the Hungarian Geological Society 

- member of the Clay Minerals Society, Mineralogical Society (London) and the Schweizerische Mineralogische und Petrographische Gesellschaft

Selected publications

(full list if publications here)

Árkai, P. (2010): The life of a petrolist. In: Életek - Utak. Földtudományok, környezetvédelem, energetika. (Ed. J Horn). Bányász Kultúráért Alapítvány és a Központi Bányászati Múzeum Alapítvány, Budapest, pp 7-44.

Livi, K.J.T., Christidis, G.E., Árkai, P., Veblen, D.R. (2008):  White mica domain formation: A model for paragonite, margarite, and muscovite formation during prograde metamorphism. American Mineralogist 93: 4; 520-527

Koroknai, B., Árkai, P., Horváth, P., Balogh, K. (2008): Anatomy of a transitional brittle–ductile shear zone developed in a low-T meta-andesite tuff: A microstructural, pertrological and geochronological case study from the Bükk Mts. (NE Hungary). Journal of Structural Geology, 30: 159-176.

Árkai, P., Sassi, F.P., Desmons, J. (2007): Very low- to low-grade metamorphic rocks In: D Fettes, J Desmons (eds): Metamorphic Rocks: A Classification and Glossary of Terms: Recommendations of the International Union of Geological Sciences Subcommission on the Systematics of Metamorphic Rocks. Cambridge University Press, Cambridge, UK, pp 36-42

Crouzet C, Dunkl I, Paudel L, Árkai P, Rainer TM, Balogh K, Appel E (2007): Temperature and age constraints on the metamorphism of the Tethyan Himalaya in Central Nepal: A multidisciplinary approach. Journal of Asian Earth Sciences 30: 113–130 

Essene, E.J., Claflin, C.L., Giorgetti, G., Mata, P.M., Peacor, D.R., Árkai, P., Rathmell, M.A. (2005): Two-, three- and four-feldspar assemblages with hyalophane and celsian: implications for phase equilibria in BaAl₂Si₂O₈–NaAlSi₃O₈–KAlSi₃O₈. European Journal of Mineralogy, 17, 515-535.

Horváth, P., Árkai, P. (2005): Amphibole-bearing assemblages as indicators of microdomain-scale equilibrium conditions in metabasites: an example from Alpine ophiolites of the Meliata Unit, NE Hungary. Mineralogy and Petrology, 84, 233-258.

Nieto, F., Mata, M.P., Bauluz, B., Giorgetti, G., Árkai, P., Peacor, D.R. (2005):  Retrograde diagenesis, a widespread process on a regional scale. Clay Minerals, 40, 93-104.

Kisch HJ, Árkai P, Brime C (2004):  On the calibration of the illite Kübler index (illite „crystallinity”). Schweizerische Mineralogische und Petrographische Mitteilungen 84: 323-331.

Árkai, P., Livi, K.J.T., Frey, M., Brukner-Wein, A., Sajgó, Cs. (2004):  White micas with mixed interlayer occupancy: a possible cause of pitfalls in applying illite Kübler index („crystallinity”) for the determination of metamorphic grade. European Journal of Mineralogy, 16, 469-482.

Judik, K., Árkai, P., Horváth, P., Dobosi, G., Tibljas, D., Balen, D., Tomljenovic, B., Pamic, J. (2004): Diagenesis and low-temperature metamorphism of Mt. Medvednica, Croatia: Mineral assemblages and phyllosilicate characteristics. Acta Geologica Hungarica, 47, 151-176.

Árkai, P., Faryad, S.W., Vidal, O., Balogh, K. (2003): Very low-grade metamorphism of sedimentary rocks of the Meliata unit, Western Carpathians, Slovakia: implications of phyllosilicate characteristics - International Journal of Earth Sciences, 92, 68-85.

Árkai, P. (2002): Phyllosilicates in very low-grade metamorphism: transformation to micas. In: Mottana, A., Sassi, F.P., Thompson, J.B.Jr., Guggenheim, S. (eds.): Micas: crystal chemistry and metamorphic petrology. - Reviews in Mineralogy & Geochemistry, Vol. 46, pp. 463-478. Mineralogical Society of America, Washington, D.C.

Árkai, P., Fenninger, A., Nagy, G. (2002): Effects of lithology and bulk chemistry on phyllosilicate reaction progress in the low-T metamorphic Graz Paleozoic, Eastern Alps, Austria - European Journal of Mineralogy 14, 673-686

Árkai, P., Ferreiro Mählmann, R., Suchy, V., Balogh, K., Sýkorová, I., Frey, M. (2002): Possible effects of tectonic shear strain on phyllosilicates: a case study from the Kandersteg area, Helvetic domain, Central Alps, Switzerland. - Schweizerische Mineralogische und Petrographische Mitteilungen 82, 273-290

Árkai, P. (2001):  Alpine regional metamorphism in the main tectonic units of Hungary: a review. - Acta Geologica Hungarica, 44, 329-344.

Árkai, P., Balogh, K., Demény, A., Fórizs, I., Nagy, G., Máthé, Z. (2000): Composition, diagenetic and post-diagenetic alterations of a possible radioactive waste repository site: the Boda Albitic Claystone Formation, southern Hungary. - Acta Geol. Hung., 26, 83-101.

Árkai, P., Mata, M.P., Giorgetti, G., Peacor, D.R., Tóth, M. (2000): Comparison of diagenetic and low-grade metamorphic evolution of chlorite in associated metapelites and metabasites: an integrated TEM and XRD study.  Journal of Metamorphic Geology, 18, 531-550.

Árkai, P., Balogh, Kad., Frey, M. (1997): The effects of tectonic strain on crystallinity, apparent mean crystallite size and lattice strain of phyllosilicates in low-temperature metamorphic rocks. - Schweiz. Mineral. Petrogr. Mitt., 77, 27-40.

Árkai, P., Sadek Ghabrial, D. (1997): Chlorite crystallinity as an indicator of metamorphic grade of low-temperature meta-igneous rocks: a case study from the Bükk Mountains, northeast Hungary. - Clay Minerals, 32, 205-222.

Jiang, W.-T., Peacor, D.R., Árkai, P., Tóth, M., Kim, J.W. (1997): TEM and XRD determination of crystallite size and lattice strain as a function of illite crystallinity in pelitic rocks. - J. metamorphic Geol., 15, 267-281.

Árkai, P., Merriman, R.J., Roberts, B., Peacor, D.R., Tóth, M. (1996): Crystallinity, crystallite size and lattice strain of illite-muscovite and chlorite: comparison of XRD and TEM data for diagenetic to epizonal pelites. - Eur. J. Mineral., 8, 1119-1137.

Lelkes-Felvári, Gy., Árkai, P., Sassi, F.P. (1996): Main features of the regional metamorphic events in Hungary: a review. - Geologica Carpathica, 47, 257-270.

Árkai, P., Balogh, Kad., Dunkl, I. (1995): Timing of low-temperature metamorphism and cooling of the Paleozoic and Mesozoic formations of the Bükkium, innermost Western Carpathians, Hungary. - Geologische Rundschau, 84, 334-344.

Árkai, P., Sassi, F.P., Sassi, R. (1995): Simultaneous measurements of chlorite and illite crystallinity: a more reliable tool for monitoring low- to very low-grade metamorphisms in metapelites. A case study from the Southern Alps (NE Italy). Eur. J. Mineral., 7, 1115-1128.

Árkai, P. (1993): The distinction between low-T retrograde metamorphism and weathering + burial diagenesis of the gneiss and mica schist basement complex, Great Plain, Hungary: A novel use of illite "crystallinity". - Neues Jahrbuch für Mineralogie, Monatshefte, H. 8, 337-351.

Árkai, P. (1991c): Chlorite crystallinity: an empirical approach and correlation with illite crystallinity, coal rank and mineral facies as exemplified by Palaeozoic and Mesozoic rocks of northeast Hungary. - Journal of Metamorphic Geology, 9, 723-734.

Árkai, P., Kovács, S. (1986): Diagenesis and regional metamorphism of the Mesozoic of Aggtelek-Rudabánya Mountains (Northeast Hungary). - Acta Geol. Hung., 29, 349-373.

Árkai, P., Nagy, G., Dobosi, G. (1985): Polymetamorphic evolution of the South-Hungarian crystalline basement, Pannonian Basin: geothermometric and geobarometric data. - Acta Geol. Hung., 28, 165-190.

Árkai, P. (1983): Very low- and low-grade Alpine regional metamorphism of the Paleozoic and Mesozoic formations of the Bükkium, NE-Hungary. - Acta Geol. Hung., 26, 83-101.

Árkai, P., Tóth, M.N. (1983): Illite crystallinity: combined effects of domain size and lattice distortion. - Acta Geol. Hung., 26, 341-358.

Árkai, P., Horváth, Z.A., Tóth M. (1981): Transitional very low- and low-grade regional metamorphism of the Paleozoic formations, Uppony Mountains, NE-Hungary: mineral assemblages, illite-crystallinity, -bo and vitrinite reflectance data. - Acta Geol. Acad. Sci. Hung., 24, 265-294.

Szádeczky-Kardoss, E. (editor-in-chief), Árkai, P. (editor), Beck-Mannagetta, P., Boyadjiev, S.G., Kamenicky, J., Stelcl, J., Weiss, J., Juhász, Á., Balázs, E., Kovách, Á., Nagy, E., Ravasz-Baranyai, L., Szalay, Á., Szederkényi, T., Wieser, T., Giusca, D., Savu, H., Kräutner, H., Bercea, I., Semenenko, N.P., Tkachuk, L.G., Danilovich, Yu., Dmitrievic, M., Karamata, S. (authors) (1976): Map of Metamorphites of the Carpatho-Balkan-Dinaride Area, 1:1,000,000. - KBGA, Központi Földtani Hivatal és az MTA Geokémiai Kutatólaboratóriuma kiadványa, Budapest.

Árkai, P., Nagy, G., Pantó, Gy. (1975): Types of compositional zoning in the garnets of polymetamorphic rocks and their genetic significance. Acta Geol. Acad. Sci. Hung., 19, 17-42.