Acta Geologica 26. (1983)

1-2. szám

Acta Geologica Hungarica Vol. 26 Numbers 1 —2 Editorial. J. Fülöp................................................................................................................................................. 3 STRATIGRAPHY Lithostratigraphy of the Permian formations of the Transdanubian Central Mountains, Gy. Majoros................................................................................................................................................. 7 Senonian cycle in the Transdanubian Central Range. J. Haas....................................................... 21 Palynostratigraphic zonation of the Transdanubian Middle Cretaceous. M. Juhász............ 41 Biostratigraphic division of Hungarian Pleistocene formations according to their mollusc fauna. E. Krolopp ................................................................................................................................... 69 PETROLOGY Very low- and low-grade alpine regional metamorphism of the Paleozoic and Mesozoic formations of the Bükkium, NE-Hungary. P. Árkai............................................................ 83 Origin of amphibolites and metavolcanics of crystalline complexes of South Transdanubia, Hungary. T. Szederkényi...................................................................................................................... 103 Study on maturation process of huminitic organic matter by means of high-pressure experiments. Z. A. Horváth ............................................................................................................. 137 METALLOGENY Métallogénie, mineralogical and geochemical results on ore mineralization in the Börzsöny Mountains, North Hungary. B. Nagy............................................................................................... 149 EVENTS—NEWS Hungarian participation in the socialist academies’ multilateral geological collaboration (Problem Commission IX). G. Császár .......................................................................................... 167 International Meeting on the Intra-Carpathian Pannonian and Related Basins. F. Horváth ........................................................................................................................................................ 168 Closing Session of the Central European Regional Group of IGCP Project 58 in Buda­pest, Hungary. G. Császár.................................................................................................................... 168 Development of geological mapping in connection with progress in geological thinking (INHIGEO). E. Dudich ...................................................................................................................... 170 Centenary of the Department of Paleontology of the Eötvös Loránd University, Buda­pest. A. Galácz .......................................................................................................................................... 170 Accepted scientific papers for academic qualification .......................................................................... 170

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