Acta Geologica 26. (1983)

1-2. szám

Numbers 3—4 STRATIGRAPHY On the present state of stratigraphic research in Hungary. J. Fülöp, G. Császár, J. Haas 171 Experience with comparison of different geological clocks (Experience obtained in various geographical regions with various quantitative methods for ranking and scaling stratigraphic events and for estimations of sample ages). I. Dienes ............................ 187 Lithostratigraphic units of the epicontinental senonian in the Great Plain. K. Szentgyörgyi 197 Foraminiferal stratigraphy of the Triassic in the Transdanubian Central Range. A. Oravecz-Scheffer ....................................................................................................................................................... 213 OIL GEOLOGY Geological bases and perspectives of hydrocarbon exploration in Hungary. V. Dank . . . 227 Exploration methodological results of the comprehensive hydrocarbon-geological inter­pretation of the North-Békés region. I. Gajdos, S. Pap, Mrs. K. Szentgyörgyi .... 251 Geological data base at the oil exploring company. A. Dóczi, R. Vándorfi .......................... 277 Review of the computation methods of hydrocarbon-geological prognostics. L. Völgyi . . 285 Geochemical investigations of hydrocarbon prognostics. S. Tenkei............................................ 301 Oil and gas exploration problems in highly explored areas. I. Bérezi, G. Németh................. 313 MINERALOGY, PETROLOGY Cooling history of young Hungarian basalts based on zoning of olivine phenocrysts. G. Nagy.............................................................................................................................................^____ 321 Illite crystallinity: Combined effects of domain size and lattice distortion. P. Arkai4 M. N. Tóth ............................................................................................................................................... 341 Metasomatic alteration of metamorphic granitotoid rocks in the basement of the Great Plain. Á. Szalay .................................................................................................................................... 359 BOOK REVIEW Dudich E., Bárdossy Gy.: Karst bauxites. Bauxite deposits on carbonate rocks ............... 375

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